diff --git a/Cargo.toml b/Cargo.toml
index 0abd524e..a9b6282c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,8 @@ edition = "2021"
 version = "0.44.0"
 rust-version = "1.81"
 homepage = "https://pezkuwichain.io/"
-license = "GPL-3.0-only"
-repository = "https://github.com/pezkuwichain/pezkuwi-sdk.git"
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+repository = "https://git.pezkuwichain.io/pezkuwichain/pezkuwi-sdk.git"
 documentation = "https://docs.pezkuwichain.io/"
 
 [workspace]
diff --git a/LICENSE-MIT0 b/LICENSE-MIT0
new file mode 100644
index 00000000..19d7f6f3
--- /dev/null
+++ b/LICENSE-MIT0
@@ -0,0 +1,16 @@
+MIT No Attribution
+
+Copyright (C) Parity Technologies (UK) Ltd.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/LICENSE-UNLICENSE b/LICENSE-UNLICENSE
new file mode 100644
index 00000000..fdddb29a
--- /dev/null
+++ b/LICENSE-UNLICENSE
@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>
diff --git a/crate_placeholders/asset-hub-pezkuwichain-emulated-chain/src/lib.rs b/crate_placeholders/asset-hub-pezkuwichain-emulated-chain/src/lib.rs
index b6b3dc8d..6022a93e 100644
--- a/crate_placeholders/asset-hub-pezkuwichain-emulated-chain/src/lib.rs
+++ b/crate_placeholders/asset-hub-pezkuwichain-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-pezkuwichain-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-hub-pezkuwichain-integration-tests/src/lib.rs b/crate_placeholders/asset-hub-pezkuwichain-integration-tests/src/lib.rs
index 18453ebc..498b31fc 100644
--- a/crate_placeholders/asset-hub-pezkuwichain-integration-tests/src/lib.rs
+++ b/crate_placeholders/asset-hub-pezkuwichain-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-pezkuwichain-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-hub-pezkuwichain-runtime/src/lib.rs b/crate_placeholders/asset-hub-pezkuwichain-runtime/src/lib.rs
index 146630b6..8ebe74b3 100644
--- a/crate_placeholders/asset-hub-pezkuwichain-runtime/src/lib.rs
+++ b/crate_placeholders/asset-hub-pezkuwichain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-pezkuwichain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-hub-zagros-emulated-chain/src/lib.rs b/crate_placeholders/asset-hub-zagros-emulated-chain/src/lib.rs
index 30600e62..4b71f19f 100644
--- a/crate_placeholders/asset-hub-zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/asset-hub-zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-hub-zagros-integration-tests/src/lib.rs b/crate_placeholders/asset-hub-zagros-integration-tests/src/lib.rs
index fb2564a0..68cdeb27 100644
--- a/crate_placeholders/asset-hub-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/asset-hub-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-hub-zagros-runtime/src/lib.rs b/crate_placeholders/asset-hub-zagros-runtime/src/lib.rs
index 6bc1bfe5..96f505bb 100644
--- a/crate_placeholders/asset-hub-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/asset-hub-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-hub-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/asset-test-pezutils/src/lib.rs b/crate_placeholders/asset-test-pezutils/src/lib.rs
index d98ff995..e49d83d0 100644
--- a/crate_placeholders/asset-test-pezutils/src/lib.rs
+++ b/crate_placeholders/asset-test-pezutils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! asset-test-pezutils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-asset-hub-pezkuwichain/src/lib.rs b/crate_placeholders/bp-asset-hub-pezkuwichain/src/lib.rs
index 4ac86fbe..83c98ff2 100644
--- a/crate_placeholders/bp-asset-hub-pezkuwichain/src/lib.rs
+++ b/crate_placeholders/bp-asset-hub-pezkuwichain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-asset-hub-pezkuwichain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-asset-hub-zagros/src/lib.rs b/crate_placeholders/bp-asset-hub-zagros/src/lib.rs
index cc8636c4..edf5bdc8 100644
--- a/crate_placeholders/bp-asset-hub-zagros/src/lib.rs
+++ b/crate_placeholders/bp-asset-hub-zagros/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-asset-hub-zagros
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-bridge-hub-pezcumulus/src/lib.rs b/crate_placeholders/bp-bridge-hub-pezcumulus/src/lib.rs
index 9b9fdbd7..fb518aa7 100644
--- a/crate_placeholders/bp-bridge-hub-pezcumulus/src/lib.rs
+++ b/crate_placeholders/bp-bridge-hub-pezcumulus/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-bridge-hub-pezcumulus
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-bridge-hub-pezkuwichain/src/lib.rs b/crate_placeholders/bp-bridge-hub-pezkuwichain/src/lib.rs
index dec7bd0e..8eaa6d67 100644
--- a/crate_placeholders/bp-bridge-hub-pezkuwichain/src/lib.rs
+++ b/crate_placeholders/bp-bridge-hub-pezkuwichain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-bridge-hub-pezkuwichain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-bridge-hub-zagros/src/lib.rs b/crate_placeholders/bp-bridge-hub-zagros/src/lib.rs
index 72fbbebe..d63448fa 100644
--- a/crate_placeholders/bp-bridge-hub-zagros/src/lib.rs
+++ b/crate_placeholders/bp-bridge-hub-zagros/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-bridge-hub-zagros
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-header-pez-chain/src/lib.rs b/crate_placeholders/bp-header-pez-chain/src/lib.rs
index 18b5981d..3fcffeb7 100644
--- a/crate_placeholders/bp-header-pez-chain/src/lib.rs
+++ b/crate_placeholders/bp-header-pez-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-header-pez-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pez-messages/src/lib.rs b/crate_placeholders/bp-pez-messages/src/lib.rs
index 8deee3ea..2d097ee8 100644
--- a/crate_placeholders/bp-pez-messages/src/lib.rs
+++ b/crate_placeholders/bp-pez-messages/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pez-messages
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pez-relayers/src/lib.rs b/crate_placeholders/bp-pez-relayers/src/lib.rs
index 97b4bda3..94085b6c 100644
--- a/crate_placeholders/bp-pez-relayers/src/lib.rs
+++ b/crate_placeholders/bp-pez-relayers/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pez-relayers
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pezbeefy/src/lib.rs b/crate_placeholders/bp-pezbeefy/src/lib.rs
index c91d7f9f..7a8c1666 100644
--- a/crate_placeholders/bp-pezbeefy/src/lib.rs
+++ b/crate_placeholders/bp-pezbeefy/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pezbeefy
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pezkuwi-bulletin/src/lib.rs b/crate_placeholders/bp-pezkuwi-bulletin/src/lib.rs
index 592868fd..a85e9415 100644
--- a/crate_placeholders/bp-pezkuwi-bulletin/src/lib.rs
+++ b/crate_placeholders/bp-pezkuwi-bulletin/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pezkuwi-bulletin
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pezkuwi-core/src/lib.rs b/crate_placeholders/bp-pezkuwi-core/src/lib.rs
index f657d29b..25493c9f 100644
--- a/crate_placeholders/bp-pezkuwi-core/src/lib.rs
+++ b/crate_placeholders/bp-pezkuwi-core/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pezkuwi-core
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-pezkuwichain/src/lib.rs b/crate_placeholders/bp-pezkuwichain/src/lib.rs
index ea054a5e..9bd50208 100644
--- a/crate_placeholders/bp-pezkuwichain/src/lib.rs
+++ b/crate_placeholders/bp-pezkuwichain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-pezkuwichain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-test-pezutils/src/lib.rs b/crate_placeholders/bp-test-pezutils/src/lib.rs
index 40bf3da3..49e8846e 100644
--- a/crate_placeholders/bp-test-pezutils/src/lib.rs
+++ b/crate_placeholders/bp-test-pezutils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-test-pezutils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-teyrchains/src/lib.rs b/crate_placeholders/bp-teyrchains/src/lib.rs
index c4cf00b2..cf1cfd9a 100644
--- a/crate_placeholders/bp-teyrchains/src/lib.rs
+++ b/crate_placeholders/bp-teyrchains/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-teyrchains
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-xcm-pezbridge-hub-router/src/lib.rs b/crate_placeholders/bp-xcm-pezbridge-hub-router/src/lib.rs
index 5c47900c..9982b4f2 100644
--- a/crate_placeholders/bp-xcm-pezbridge-hub-router/src/lib.rs
+++ b/crate_placeholders/bp-xcm-pezbridge-hub-router/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-xcm-pezbridge-hub-router
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-xcm-pezbridge-hub/src/lib.rs b/crate_placeholders/bp-xcm-pezbridge-hub/src/lib.rs
index 23fe1d50..ac64e77f 100644
--- a/crate_placeholders/bp-xcm-pezbridge-hub/src/lib.rs
+++ b/crate_placeholders/bp-xcm-pezbridge-hub/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-xcm-pezbridge-hub
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/bp-zagros/src/lib.rs b/crate_placeholders/bp-zagros/src/lib.rs
index c9d1ab16..e9104084 100644
--- a/crate_placeholders/bp-zagros/src/lib.rs
+++ b/crate_placeholders/bp-zagros/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! bp-zagros
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/collectives-zagros-emulated-chain/src/lib.rs b/crate_placeholders/collectives-zagros-emulated-chain/src/lib.rs
index ba350263..1d096438 100644
--- a/crate_placeholders/collectives-zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/collectives-zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! collectives-zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/collectives-zagros-integration-tests/src/lib.rs b/crate_placeholders/collectives-zagros-integration-tests/src/lib.rs
index fbdedd07..97765c14 100644
--- a/crate_placeholders/collectives-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/collectives-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! collectives-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/collectives-zagros-runtime/src/lib.rs b/crate_placeholders/collectives-zagros-runtime/src/lib.rs
index 0e9539ef..b2eb5286 100644
--- a/crate_placeholders/collectives-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/collectives-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! collectives-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-pezkuwichain-emulated-chain/src/lib.rs b/crate_placeholders/coretime-pezkuwichain-emulated-chain/src/lib.rs
index a5433021..fb025c10 100644
--- a/crate_placeholders/coretime-pezkuwichain-emulated-chain/src/lib.rs
+++ b/crate_placeholders/coretime-pezkuwichain-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-pezkuwichain-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-pezkuwichain-integration-tests/src/lib.rs b/crate_placeholders/coretime-pezkuwichain-integration-tests/src/lib.rs
index 1abb5b67..c8eb94cb 100644
--- a/crate_placeholders/coretime-pezkuwichain-integration-tests/src/lib.rs
+++ b/crate_placeholders/coretime-pezkuwichain-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-pezkuwichain-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-pezkuwichain-runtime/src/lib.rs b/crate_placeholders/coretime-pezkuwichain-runtime/src/lib.rs
index 86b194e9..825bebd0 100644
--- a/crate_placeholders/coretime-pezkuwichain-runtime/src/lib.rs
+++ b/crate_placeholders/coretime-pezkuwichain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-pezkuwichain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-zagros-emulated-chain/src/lib.rs b/crate_placeholders/coretime-zagros-emulated-chain/src/lib.rs
index ae6d3ae4..9b9669e9 100644
--- a/crate_placeholders/coretime-zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/coretime-zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-zagros-integration-tests/src/lib.rs b/crate_placeholders/coretime-zagros-integration-tests/src/lib.rs
index af587947..699dd154 100644
--- a/crate_placeholders/coretime-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/coretime-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/coretime-zagros-runtime/src/lib.rs b/crate_placeholders/coretime-zagros-runtime/src/lib.rs
index a20da171..7d98ee22 100644
--- a/crate_placeholders/coretime-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/coretime-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! coretime-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/emulated-integration-tests-common/src/lib.rs b/crate_placeholders/emulated-integration-tests-common/src/lib.rs
index f6895fd0..a81f9499 100644
--- a/crate_placeholders/emulated-integration-tests-common/src/lib.rs
+++ b/crate_placeholders/emulated-integration-tests-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! emulated-integration-tests-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/glutton-zagros-runtime/src/lib.rs b/crate_placeholders/glutton-zagros-runtime/src/lib.rs
index 56c27a8b..2bf6234b 100644
--- a/crate_placeholders/glutton-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/glutton-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! glutton-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/governance-zagros-integration-tests/src/lib.rs b/crate_placeholders/governance-zagros-integration-tests/src/lib.rs
index a84b9e59..39dc0218 100644
--- a/crate_placeholders/governance-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/governance-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! governance-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-pezkuwichain-emulated-chain/src/lib.rs b/crate_placeholders/people-pezkuwichain-emulated-chain/src/lib.rs
index 4e111a34..887fd683 100644
--- a/crate_placeholders/people-pezkuwichain-emulated-chain/src/lib.rs
+++ b/crate_placeholders/people-pezkuwichain-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-pezkuwichain-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-pezkuwichain-integration-tests/src/lib.rs b/crate_placeholders/people-pezkuwichain-integration-tests/src/lib.rs
index 89b4b563..b1e33a87 100644
--- a/crate_placeholders/people-pezkuwichain-integration-tests/src/lib.rs
+++ b/crate_placeholders/people-pezkuwichain-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-pezkuwichain-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-pezkuwichain-runtime/src/lib.rs b/crate_placeholders/people-pezkuwichain-runtime/src/lib.rs
index 0ffae8a5..8af257f7 100644
--- a/crate_placeholders/people-pezkuwichain-runtime/src/lib.rs
+++ b/crate_placeholders/people-pezkuwichain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-pezkuwichain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-zagros-emulated-chain/src/lib.rs b/crate_placeholders/people-zagros-emulated-chain/src/lib.rs
index d2820961..f4912b2f 100644
--- a/crate_placeholders/people-zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/people-zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-zagros-integration-tests/src/lib.rs b/crate_placeholders/people-zagros-integration-tests/src/lib.rs
index 82978e90..3c7a00f4 100644
--- a/crate_placeholders/people-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/people-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/people-zagros-runtime/src/lib.rs b/crate_placeholders/people-zagros-runtime/src/lib.rs
index d70bc925..e64e5277 100644
--- a/crate_placeholders/people-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/people-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! people-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-binary-merkle-tree/src/lib.rs b/crate_placeholders/pez-binary-merkle-tree/src/lib.rs
index 5a860414..2de644e5 100644
--- a/crate_placeholders/pez-binary-merkle-tree/src/lib.rs
+++ b/crate_placeholders/pez-binary-merkle-tree/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-binary-merkle-tree
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-chain-spec-guide-runtime/src/lib.rs b/crate_placeholders/pez-chain-spec-guide-runtime/src/lib.rs
index 292667c2..7d73f8e7 100644
--- a/crate_placeholders/pez-chain-spec-guide-runtime/src/lib.rs
+++ b/crate_placeholders/pez-chain-spec-guide-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-chain-spec-guide-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-equivocation-detector/src/lib.rs b/crate_placeholders/pez-equivocation-detector/src/lib.rs
index 6209850d..5a9bb15e 100644
--- a/crate_placeholders/pez-equivocation-detector/src/lib.rs
+++ b/crate_placeholders/pez-equivocation-detector/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-equivocation-detector
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-erasure-coding-fuzzer/src/lib.rs b/crate_placeholders/pez-erasure-coding-fuzzer/src/lib.rs
index 0d6313c1..2e9aec9f 100644
--- a/crate_placeholders/pez-erasure-coding-fuzzer/src/lib.rs
+++ b/crate_placeholders/pez-erasure-coding-fuzzer/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-erasure-coding-fuzzer
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-ethereum-standards/src/lib.rs b/crate_placeholders/pez-ethereum-standards/src/lib.rs
index f45a1393..15aa2544 100644
--- a/crate_placeholders/pez-ethereum-standards/src/lib.rs
+++ b/crate_placeholders/pez-ethereum-standards/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-ethereum-standards
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-finality-relay/src/lib.rs b/crate_placeholders/pez-finality-relay/src/lib.rs
index 324d8d1e..dfd51f95 100644
--- a/crate_placeholders/pez-finality-relay/src/lib.rs
+++ b/crate_placeholders/pez-finality-relay/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-finality-relay
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-fork-tree/src/lib.rs b/crate_placeholders/pez-fork-tree/src/lib.rs
index 897d5315..6454a41a 100644
--- a/crate_placeholders/pez-fork-tree/src/lib.rs
+++ b/crate_placeholders/pez-fork-tree/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-fork-tree
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-generate-bags/src/lib.rs b/crate_placeholders/pez-generate-bags/src/lib.rs
index e3ac1b0f..26bbbca1 100644
--- a/crate_placeholders/pez-generate-bags/src/lib.rs
+++ b/crate_placeholders/pez-generate-bags/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-generate-bags
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-kitchensink-runtime/src/lib.rs b/crate_placeholders/pez-kitchensink-runtime/src/lib.rs
index 577d6215..6024c2f8 100644
--- a/crate_placeholders/pez-kitchensink-runtime/src/lib.rs
+++ b/crate_placeholders/pez-kitchensink-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-kitchensink-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-messages-relay/src/lib.rs b/crate_placeholders/pez-messages-relay/src/lib.rs
index ec4d0548..e0fee9d3 100644
--- a/crate_placeholders/pez-messages-relay/src/lib.rs
+++ b/crate_placeholders/pez-messages-relay/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-messages-relay
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-minimal-template-node/src/lib.rs b/crate_placeholders/pez-minimal-template-node/src/lib.rs
index f75f9520..de5bc875 100644
--- a/crate_placeholders/pez-minimal-template-node/src/lib.rs
+++ b/crate_placeholders/pez-minimal-template-node/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-minimal-template-node
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-minimal-template-runtime/src/lib.rs b/crate_placeholders/pez-minimal-template-runtime/src/lib.rs
index 05af8e17..dba10bbe 100644
--- a/crate_placeholders/pez-minimal-template-runtime/src/lib.rs
+++ b/crate_placeholders/pez-minimal-template-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-minimal-template-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-bench/src/lib.rs b/crate_placeholders/pez-node-bench/src/lib.rs
index 05d34e0e..ed2aadb4 100644
--- a/crate_placeholders/pez-node-bench/src/lib.rs
+++ b/crate_placeholders/pez-node-bench/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-bench
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-primitives/src/lib.rs b/crate_placeholders/pez-node-primitives/src/lib.rs
index 840d31ab..ce1f335b 100644
--- a/crate_placeholders/pez-node-primitives/src/lib.rs
+++ b/crate_placeholders/pez-node-primitives/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-primitives
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-rpc/src/lib.rs b/crate_placeholders/pez-node-rpc/src/lib.rs
index 17151b50..305769d0 100644
--- a/crate_placeholders/pez-node-rpc/src/lib.rs
+++ b/crate_placeholders/pez-node-rpc/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-rpc
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-runtime-generate-bags/src/lib.rs b/crate_placeholders/pez-node-runtime-generate-bags/src/lib.rs
index 337f16e8..d261502b 100644
--- a/crate_placeholders/pez-node-runtime-generate-bags/src/lib.rs
+++ b/crate_placeholders/pez-node-runtime-generate-bags/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-runtime-generate-bags
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-template-release/src/lib.rs b/crate_placeholders/pez-node-template-release/src/lib.rs
index 224bebe3..8663402f 100644
--- a/crate_placeholders/pez-node-template-release/src/lib.rs
+++ b/crate_placeholders/pez-node-template-release/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-template-release
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-node-testing/src/lib.rs b/crate_placeholders/pez-node-testing/src/lib.rs
index 908baefc..6c8ce820 100644
--- a/crate_placeholders/pez-node-testing/src/lib.rs
+++ b/crate_placeholders/pez-node-testing/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-node-testing
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-penpal-emulated-chain/src/lib.rs b/crate_placeholders/pez-penpal-emulated-chain/src/lib.rs
index 38cccda6..e3e1af53 100644
--- a/crate_placeholders/pez-penpal-emulated-chain/src/lib.rs
+++ b/crate_placeholders/pez-penpal-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-penpal-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-penpal-runtime/src/lib.rs b/crate_placeholders/pez-penpal-runtime/src/lib.rs
index a49f073d..bf2b9498 100644
--- a/crate_placeholders/pez-penpal-runtime/src/lib.rs
+++ b/crate_placeholders/pez-penpal-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-penpal-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-remote-ext-tests-bags-list/src/lib.rs b/crate_placeholders/pez-remote-ext-tests-bags-list/src/lib.rs
index 4045f133..0679b44b 100644
--- a/crate_placeholders/pez-remote-ext-tests-bags-list/src/lib.rs
+++ b/crate_placeholders/pez-remote-ext-tests-bags-list/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-remote-ext-tests-bags-list
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-revive-dev-node/src/lib.rs b/crate_placeholders/pez-revive-dev-node/src/lib.rs
index ac3c8b34..e1bd7b6d 100644
--- a/crate_placeholders/pez-revive-dev-node/src/lib.rs
+++ b/crate_placeholders/pez-revive-dev-node/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-revive-dev-node
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-revive-dev-runtime/src/lib.rs b/crate_placeholders/pez-revive-dev-runtime/src/lib.rs
index 2962f3ca..921f338d 100644
--- a/crate_placeholders/pez-revive-dev-runtime/src/lib.rs
+++ b/crate_placeholders/pez-revive-dev-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-revive-dev-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-slot-range-helper/src/lib.rs b/crate_placeholders/pez-slot-range-helper/src/lib.rs
index 9d399ba9..8fcd9b35 100644
--- a/crate_placeholders/pez-slot-range-helper/src/lib.rs
+++ b/crate_placeholders/pez-slot-range-helper/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-slot-range-helper
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-solochain-template-node/src/lib.rs b/crate_placeholders/pez-solochain-template-node/src/lib.rs
index 553448ba..8fd660c9 100644
--- a/crate_placeholders/pez-solochain-template-node/src/lib.rs
+++ b/crate_placeholders/pez-solochain-template-node/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-solochain-template-node
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-solochain-template-runtime/src/lib.rs b/crate_placeholders/pez-solochain-template-runtime/src/lib.rs
index eb44a3b2..00859296 100644
--- a/crate_placeholders/pez-solochain-template-runtime/src/lib.rs
+++ b/crate_placeholders/pez-solochain-template-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-solochain-template-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-subkey/src/lib.rs b/crate_placeholders/pez-subkey/src/lib.rs
index 7ccbfce6..5ea2e270 100644
--- a/crate_placeholders/pez-subkey/src/lib.rs
+++ b/crate_placeholders/pez-subkey/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-subkey
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-template-zombienet-tests/src/lib.rs b/crate_placeholders/pez-template-zombienet-tests/src/lib.rs
index ac5fdf76..df2a06b6 100644
--- a/crate_placeholders/pez-template-zombienet-tests/src/lib.rs
+++ b/crate_placeholders/pez-template-zombienet-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-template-zombienet-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-tracing-gum-proc-macro/src/lib.rs b/crate_placeholders/pez-tracing-gum-proc-macro/src/lib.rs
index aa0e6049..9ed206f1 100644
--- a/crate_placeholders/pez-tracing-gum-proc-macro/src/lib.rs
+++ b/crate_placeholders/pez-tracing-gum-proc-macro/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-tracing-gum-proc-macro
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-tracing-gum/src/lib.rs b/crate_placeholders/pez-tracing-gum/src/lib.rs
index 58a2d578..1e386a47 100644
--- a/crate_placeholders/pez-tracing-gum/src/lib.rs
+++ b/crate_placeholders/pez-tracing-gum/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-tracing-gum
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pez-zombienet-backchannel/src/lib.rs b/crate_placeholders/pez-zombienet-backchannel/src/lib.rs
index f0fa32cf..c2230d1d 100644
--- a/crate_placeholders/pez-zombienet-backchannel/src/lib.rs
+++ b/crate_placeholders/pez-zombienet-backchannel/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pez-zombienet-backchannel
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezassets-common/src/lib.rs b/crate_placeholders/pezassets-common/src/lib.rs
index 34737492..314ea9ac 100644
--- a/crate_placeholders/pezassets-common/src/lib.rs
+++ b/crate_placeholders/pezassets-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezassets-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbp-runtime/src/lib.rs b/crate_placeholders/pezbp-runtime/src/lib.rs
index c75d3e12..520d91af 100644
--- a/crate_placeholders/pezbp-runtime/src/lib.rs
+++ b/crate_placeholders/pezbp-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbp-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-common/src/lib.rs b/crate_placeholders/pezbridge-hub-common/src/lib.rs
index da331f19..52fd9d69 100644
--- a/crate_placeholders/pezbridge-hub-common/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-pezkuwichain-emulated-chain/src/lib.rs b/crate_placeholders/pezbridge-hub-pezkuwichain-emulated-chain/src/lib.rs
index 54836efa..27506b5f 100644
--- a/crate_placeholders/pezbridge-hub-pezkuwichain-emulated-chain/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-pezkuwichain-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-pezkuwichain-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-pezkuwichain-integration-tests/src/lib.rs b/crate_placeholders/pezbridge-hub-pezkuwichain-integration-tests/src/lib.rs
index 926571db..4055292c 100644
--- a/crate_placeholders/pezbridge-hub-pezkuwichain-integration-tests/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-pezkuwichain-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-pezkuwichain-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-pezkuwichain-runtime/src/lib.rs b/crate_placeholders/pezbridge-hub-pezkuwichain-runtime/src/lib.rs
index 5e13b2e8..8748614f 100644
--- a/crate_placeholders/pezbridge-hub-pezkuwichain-runtime/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-pezkuwichain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-pezkuwichain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-test-utils/src/lib.rs b/crate_placeholders/pezbridge-hub-test-utils/src/lib.rs
index 7d99f5c6..a2a48d5e 100644
--- a/crate_placeholders/pezbridge-hub-test-utils/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-test-utils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-test-utils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-zagros-emulated-chain/src/lib.rs b/crate_placeholders/pezbridge-hub-zagros-emulated-chain/src/lib.rs
index 7d10d814..358255bb 100644
--- a/crate_placeholders/pezbridge-hub-zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-zagros-integration-tests/src/lib.rs b/crate_placeholders/pezbridge-hub-zagros-integration-tests/src/lib.rs
index 715a09cd..5d69cce1 100644
--- a/crate_placeholders/pezbridge-hub-zagros-integration-tests/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-zagros-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-zagros-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-hub-zagros-runtime/src/lib.rs b/crate_placeholders/pezbridge-hub-zagros-runtime/src/lib.rs
index a8473b6a..82741210 100644
--- a/crate_placeholders/pezbridge-hub-zagros-runtime/src/lib.rs
+++ b/crate_placeholders/pezbridge-hub-zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-hub-zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezbridge-runtime-common/src/lib.rs b/crate_placeholders/pezbridge-runtime-common/src/lib.rs
index 9faf3f8f..6ba50086 100644
--- a/crate_placeholders/pezbridge-runtime-common/src/lib.rs
+++ b/crate_placeholders/pezbridge-runtime-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezbridge-runtime-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezframe-election-solution-type-fuzzer/src/lib.rs b/crate_placeholders/pezframe-election-solution-type-fuzzer/src/lib.rs
index def13d02..6129cd6b 100644
--- a/crate_placeholders/pezframe-election-solution-type-fuzzer/src/lib.rs
+++ b/crate_placeholders/pezframe-election-solution-type-fuzzer/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezframe-election-solution-type-fuzzer
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezframe-omni-bencher/src/lib.rs b/crate_placeholders/pezframe-omni-bencher/src/lib.rs
index 8ab28ad5..e93f0148 100644
--- a/crate_placeholders/pezframe-omni-bencher/src/lib.rs
+++ b/crate_placeholders/pezframe-omni-bencher/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezframe-omni-bencher
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezframe-remote-externalities/src/lib.rs b/crate_placeholders/pezframe-remote-externalities/src/lib.rs
index e02baef8..d64007e4 100644
--- a/crate_placeholders/pezframe-remote-externalities/src/lib.rs
+++ b/crate_placeholders/pezframe-remote-externalities/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezframe-remote-externalities
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezframe-storage-access-test-runtime/src/lib.rs b/crate_placeholders/pezframe-storage-access-test-runtime/src/lib.rs
index 6144c275..0ef6d829 100644
--- a/crate_placeholders/pezframe-storage-access-test-runtime/src/lib.rs
+++ b/crate_placeholders/pezframe-storage-access-test-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezframe-storage-access-test-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwi/src/lib.rs b/crate_placeholders/pezkuwi/src/lib.rs
index cb25a7f9..7186e400 100644
--- a/crate_placeholders/pezkuwi/src/lib.rs
+++ b/crate_placeholders/pezkuwi/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwi
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-emulated-chain/src/lib.rs b/crate_placeholders/pezkuwichain-emulated-chain/src/lib.rs
index 77500f85..ce3bc39a 100644
--- a/crate_placeholders/pezkuwichain-emulated-chain/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-runtime-constants/src/lib.rs b/crate_placeholders/pezkuwichain-runtime-constants/src/lib.rs
index 2fccb438..e915911b 100644
--- a/crate_placeholders/pezkuwichain-runtime-constants/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-runtime-constants/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-runtime-constants
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-runtime/src/lib.rs b/crate_placeholders/pezkuwichain-runtime/src/lib.rs
index a33bc834..933b341b 100644
--- a/crate_placeholders/pezkuwichain-runtime/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-system-emulated-network/src/lib.rs b/crate_placeholders/pezkuwichain-system-emulated-network/src/lib.rs
index a4559d51..32585930 100644
--- a/crate_placeholders/pezkuwichain-system-emulated-network/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-system-emulated-network/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-system-emulated-network
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-teyrchain-runtime/src/lib.rs b/crate_placeholders/pezkuwichain-teyrchain-runtime/src/lib.rs
index 36212ee7..14c70c81 100644
--- a/crate_placeholders/pezkuwichain-teyrchain-runtime/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-teyrchain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-teyrchain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezkuwichain-zagros-system-emulated-network/src/lib.rs b/crate_placeholders/pezkuwichain-zagros-system-emulated-network/src/lib.rs
index 6c20536c..4985eada 100644
--- a/crate_placeholders/pezkuwichain-zagros-system-emulated-network/src/lib.rs
+++ b/crate_placeholders/pezkuwichain-zagros-system-emulated-network/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezkuwichain-zagros-system-emulated-network
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezmmr-gadget/src/lib.rs b/crate_placeholders/pezmmr-gadget/src/lib.rs
index fa499d5e..c749a38c 100644
--- a/crate_placeholders/pezmmr-gadget/src/lib.rs
+++ b/crate_placeholders/pezmmr-gadget/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezmmr-gadget
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezmmr-rpc/src/lib.rs b/crate_placeholders/pezmmr-rpc/src/lib.rs
index 0e1927a9..5c28b504 100644
--- a/crate_placeholders/pezmmr-rpc/src/lib.rs
+++ b/crate_placeholders/pezmmr-rpc/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezmmr-rpc
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-beacon-primitives/src/lib.rs b/crate_placeholders/pezsnowbridge-beacon-primitives/src/lib.rs
index d873653a..727b41c7 100644
--- a/crate_placeholders/pezsnowbridge-beacon-primitives/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-beacon-primitives/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-beacon-primitives
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-core/src/lib.rs b/crate_placeholders/pezsnowbridge-core/src/lib.rs
index c74c3ddb..687614a8 100644
--- a/crate_placeholders/pezsnowbridge-core/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-core/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-core
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-ethereum/src/lib.rs b/crate_placeholders/pezsnowbridge-ethereum/src/lib.rs
index 97e4c6d3..1b4c1b18 100644
--- a/crate_placeholders/pezsnowbridge-ethereum/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-ethereum/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-ethereum
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-inbound-queue-primitives/src/lib.rs b/crate_placeholders/pezsnowbridge-inbound-queue-primitives/src/lib.rs
index 40177757..d76032c7 100644
--- a/crate_placeholders/pezsnowbridge-inbound-queue-primitives/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-inbound-queue-primitives/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-inbound-queue-primitives
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-merkle-tree/src/lib.rs b/crate_placeholders/pezsnowbridge-merkle-tree/src/lib.rs
index 64d396a3..20dd5073 100644
--- a/crate_placeholders/pezsnowbridge-merkle-tree/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-merkle-tree/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-merkle-tree
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-outbound-queue-primitives/src/lib.rs b/crate_placeholders/pezsnowbridge-outbound-queue-primitives/src/lib.rs
index 13973bca..43216792 100644
--- a/crate_placeholders/pezsnowbridge-outbound-queue-primitives/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-outbound-queue-primitives/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-outbound-queue-primitives
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-outbound-queue-runtime-api/src/lib.rs b/crate_placeholders/pezsnowbridge-outbound-queue-runtime-api/src/lib.rs
index 876ce9e5..0edef757 100644
--- a/crate_placeholders/pezsnowbridge-outbound-queue-runtime-api/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-outbound-queue-runtime-api/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-outbound-queue-runtime-api
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-outbound-queue-v2-runtime-api/src/lib.rs b/crate_placeholders/pezsnowbridge-outbound-queue-v2-runtime-api/src/lib.rs
index 82f26ca7..e78134f7 100644
--- a/crate_placeholders/pezsnowbridge-outbound-queue-v2-runtime-api/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-outbound-queue-v2-runtime-api/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-outbound-queue-v2-runtime-api
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client-fixtures/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client-fixtures/src/lib.rs
index e55ef58c..03d270c7 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client-fixtures/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client-fixtures/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-ethereum-client-fixtures
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client/src/lib.rs
index 55ca264d..8c23589a 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-ethereum-client/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-ethereum-client
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-fixtures/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-fixtures/src/lib.rs
index 05050cd6..28a087d9 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-fixtures/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-fixtures/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-inbound-queue-fixtures
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2-fixtures/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2-fixtures/src/lib.rs
index d113488d..fff6d6a1 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2-fixtures/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2-fixtures/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-inbound-queue-v2-fixtures
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2/src/lib.rs
index 6ed896fe..31444503 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue-v2/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-inbound-queue-v2
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue/src/lib.rs
index e495c61b..8e171820 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-inbound-queue/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-inbound-queue
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue-v2/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue-v2/src/lib.rs
index 49e42abe..380e6b12 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue-v2/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue-v2/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-outbound-queue-v2
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue/src/lib.rs
index 494194be..873fa572 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-outbound-queue/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-outbound-queue
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-system-frontend/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-system-frontend/src/lib.rs
index b280db4d..7fa8e933 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-system-frontend/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-system-frontend/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-system-frontend
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-system-v2/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-system-v2/src/lib.rs
index 17767702..e9e88923 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-system-v2/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-system-v2/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-system-v2
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-pezpallet-system/src/lib.rs b/crate_placeholders/pezsnowbridge-pezpallet-system/src/lib.rs
index a9a9d7a9..92627917 100644
--- a/crate_placeholders/pezsnowbridge-pezpallet-system/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-pezpallet-system/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-pezpallet-system
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-runtime-common/src/lib.rs b/crate_placeholders/pezsnowbridge-runtime-common/src/lib.rs
index 7ca26e2f..268b6758 100644
--- a/crate_placeholders/pezsnowbridge-runtime-common/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-runtime-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-runtime-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-runtime-test-common/src/lib.rs b/crate_placeholders/pezsnowbridge-runtime-test-common/src/lib.rs
index c131a0a8..ebb43773 100644
--- a/crate_placeholders/pezsnowbridge-runtime-test-common/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-runtime-test-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-runtime-test-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-system-runtime-api/src/lib.rs b/crate_placeholders/pezsnowbridge-system-runtime-api/src/lib.rs
index 102f5a6c..f60ee534 100644
--- a/crate_placeholders/pezsnowbridge-system-runtime-api/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-system-runtime-api/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-system-runtime-api
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-system-v2-runtime-api/src/lib.rs b/crate_placeholders/pezsnowbridge-system-v2-runtime-api/src/lib.rs
index ffbdc7b9..02b957b9 100644
--- a/crate_placeholders/pezsnowbridge-system-v2-runtime-api/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-system-v2-runtime-api/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-system-v2-runtime-api
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-test-utils/src/lib.rs b/crate_placeholders/pezsnowbridge-test-utils/src/lib.rs
index c1d20ccc..095e0b1b 100644
--- a/crate_placeholders/pezsnowbridge-test-utils/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-test-utils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-test-utils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/pezsnowbridge-verification-primitives/src/lib.rs b/crate_placeholders/pezsnowbridge-verification-primitives/src/lib.rs
index 3d9e3c65..a234e19d 100644
--- a/crate_placeholders/pezsnowbridge-verification-primitives/src/lib.rs
+++ b/crate_placeholders/pezsnowbridge-verification-primitives/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! pezsnowbridge-verification-primitives
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/peztest-runtime-constants/src/lib.rs b/crate_placeholders/peztest-runtime-constants/src/lib.rs
index 70e32e3a..388463b8 100644
--- a/crate_placeholders/peztest-runtime-constants/src/lib.rs
+++ b/crate_placeholders/peztest-runtime-constants/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! peztest-runtime-constants
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/relay-bizinikiwi-client/src/lib.rs b/crate_placeholders/relay-bizinikiwi-client/src/lib.rs
index edcb53f7..3d173f1d 100644
--- a/crate_placeholders/relay-bizinikiwi-client/src/lib.rs
+++ b/crate_placeholders/relay-bizinikiwi-client/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! relay-bizinikiwi-client
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/relay-pezutils/src/lib.rs b/crate_placeholders/relay-pezutils/src/lib.rs
index 7059759e..94eedd04 100644
--- a/crate_placeholders/relay-pezutils/src/lib.rs
+++ b/crate_placeholders/relay-pezutils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! relay-pezutils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/test-teyrchain-adder-collator/src/lib.rs b/crate_placeholders/test-teyrchain-adder-collator/src/lib.rs
index 476d8ae3..8e7c7f10 100644
--- a/crate_placeholders/test-teyrchain-adder-collator/src/lib.rs
+++ b/crate_placeholders/test-teyrchain-adder-collator/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! test-teyrchain-adder-collator
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/test-teyrchain-adder/src/lib.rs b/crate_placeholders/test-teyrchain-adder/src/lib.rs
index c046f536..3034a254 100644
--- a/crate_placeholders/test-teyrchain-adder/src/lib.rs
+++ b/crate_placeholders/test-teyrchain-adder/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! test-teyrchain-adder
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/test-teyrchain-halt/src/lib.rs b/crate_placeholders/test-teyrchain-halt/src/lib.rs
index 0bd154d5..586fd27f 100644
--- a/crate_placeholders/test-teyrchain-halt/src/lib.rs
+++ b/crate_placeholders/test-teyrchain-halt/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! test-teyrchain-halt
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/test-teyrchain-undying-collator/src/lib.rs b/crate_placeholders/test-teyrchain-undying-collator/src/lib.rs
index 26fa7f0a..65f0c700 100644
--- a/crate_placeholders/test-teyrchain-undying-collator/src/lib.rs
+++ b/crate_placeholders/test-teyrchain-undying-collator/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! test-teyrchain-undying-collator
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/test-teyrchain-undying/src/lib.rs b/crate_placeholders/test-teyrchain-undying/src/lib.rs
index dc86534e..7c82f4f4 100644
--- a/crate_placeholders/test-teyrchain-undying/src/lib.rs
+++ b/crate_placeholders/test-teyrchain-undying/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! test-teyrchain-undying
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/testnet-teyrchains-constants/src/lib.rs b/crate_placeholders/testnet-teyrchains-constants/src/lib.rs
index f8f37e79..c31178bd 100644
--- a/crate_placeholders/testnet-teyrchains-constants/src/lib.rs
+++ b/crate_placeholders/testnet-teyrchains-constants/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! testnet-teyrchains-constants
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchain-template-node/src/lib.rs b/crate_placeholders/teyrchain-template-node/src/lib.rs
index 35db7944..97e109ea 100644
--- a/crate_placeholders/teyrchain-template-node/src/lib.rs
+++ b/crate_placeholders/teyrchain-template-node/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchain-template-node
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchain-template-runtime/src/lib.rs b/crate_placeholders/teyrchain-template-runtime/src/lib.rs
index 2e4cd6ed..c33cac77 100644
--- a/crate_placeholders/teyrchain-template-runtime/src/lib.rs
+++ b/crate_placeholders/teyrchain-template-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchain-template-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchain-template/src/lib.rs b/crate_placeholders/teyrchain-template/src/lib.rs
index 0cfe5090..35a7b654 100644
--- a/crate_placeholders/teyrchain-template/src/lib.rs
+++ b/crate_placeholders/teyrchain-template/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchain-template
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchains-common/src/lib.rs b/crate_placeholders/teyrchains-common/src/lib.rs
index bf41abd8..ee1c79a6 100644
--- a/crate_placeholders/teyrchains-common/src/lib.rs
+++ b/crate_placeholders/teyrchains-common/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchains-common
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchains-relay/src/lib.rs b/crate_placeholders/teyrchains-relay/src/lib.rs
index f8ffed2b..96500763 100644
--- a/crate_placeholders/teyrchains-relay/src/lib.rs
+++ b/crate_placeholders/teyrchains-relay/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchains-relay
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/teyrchains-runtimes-test-utils/src/lib.rs b/crate_placeholders/teyrchains-runtimes-test-utils/src/lib.rs
index dd68659e..669f5191 100644
--- a/crate_placeholders/teyrchains-runtimes-test-utils/src/lib.rs
+++ b/crate_placeholders/teyrchains-runtimes-test-utils/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! teyrchains-runtimes-test-utils
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-docs/src/lib.rs b/crate_placeholders/xcm-pez-docs/src/lib.rs
index 2d062af3..870398db 100644
--- a/crate_placeholders/xcm-pez-docs/src/lib.rs
+++ b/crate_placeholders/xcm-pez-docs/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-docs
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-emulator/src/lib.rs b/crate_placeholders/xcm-pez-emulator/src/lib.rs
index 889920e8..4f68a565 100644
--- a/crate_placeholders/xcm-pez-emulator/src/lib.rs
+++ b/crate_placeholders/xcm-pez-emulator/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-emulator
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-executor-integration-tests/src/lib.rs b/crate_placeholders/xcm-pez-executor-integration-tests/src/lib.rs
index 52d75588..d6edfc32 100644
--- a/crate_placeholders/xcm-pez-executor-integration-tests/src/lib.rs
+++ b/crate_placeholders/xcm-pez-executor-integration-tests/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-executor-integration-tests
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-procedural/src/lib.rs b/crate_placeholders/xcm-pez-procedural/src/lib.rs
index 8833c130..e5fc5e2d 100644
--- a/crate_placeholders/xcm-pez-procedural/src/lib.rs
+++ b/crate_placeholders/xcm-pez-procedural/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-procedural
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-simulator-example/src/lib.rs b/crate_placeholders/xcm-pez-simulator-example/src/lib.rs
index 0d5f4fe7..098b34b7 100644
--- a/crate_placeholders/xcm-pez-simulator-example/src/lib.rs
+++ b/crate_placeholders/xcm-pez-simulator-example/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-simulator-example
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-simulator-fuzzer/src/lib.rs b/crate_placeholders/xcm-pez-simulator-fuzzer/src/lib.rs
index 31ebe5aa..0b7e46d2 100644
--- a/crate_placeholders/xcm-pez-simulator-fuzzer/src/lib.rs
+++ b/crate_placeholders/xcm-pez-simulator-fuzzer/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-simulator-fuzzer
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-pez-simulator/src/lib.rs b/crate_placeholders/xcm-pez-simulator/src/lib.rs
index 8e80df23..7a107ad5 100644
--- a/crate_placeholders/xcm-pez-simulator/src/lib.rs
+++ b/crate_placeholders/xcm-pez-simulator/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-pez-simulator
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/xcm-runtime-pezapis/src/lib.rs b/crate_placeholders/xcm-runtime-pezapis/src/lib.rs
index ca0bbddd..b2225ec8 100644
--- a/crate_placeholders/xcm-runtime-pezapis/src/lib.rs
+++ b/crate_placeholders/xcm-runtime-pezapis/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! xcm-runtime-pezapis
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/yet-another-teyrchain-runtime/src/lib.rs b/crate_placeholders/yet-another-teyrchain-runtime/src/lib.rs
index 9d8433ef..6be5f7d3 100644
--- a/crate_placeholders/yet-another-teyrchain-runtime/src/lib.rs
+++ b/crate_placeholders/yet-another-teyrchain-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! yet-another-teyrchain-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/zagros-emulated-chain/src/lib.rs b/crate_placeholders/zagros-emulated-chain/src/lib.rs
index 03aead7c..44810d4a 100644
--- a/crate_placeholders/zagros-emulated-chain/src/lib.rs
+++ b/crate_placeholders/zagros-emulated-chain/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! zagros-emulated-chain
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/zagros-runtime-constants/src/lib.rs b/crate_placeholders/zagros-runtime-constants/src/lib.rs
index 34dd3cc0..9e78f10d 100644
--- a/crate_placeholders/zagros-runtime-constants/src/lib.rs
+++ b/crate_placeholders/zagros-runtime-constants/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! zagros-runtime-constants
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/zagros-runtime/src/lib.rs b/crate_placeholders/zagros-runtime/src/lib.rs
index edf54008..37a7f6b7 100644
--- a/crate_placeholders/zagros-runtime/src/lib.rs
+++ b/crate_placeholders/zagros-runtime/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! zagros-runtime
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.
diff --git a/crate_placeholders/zagros-system-emulated-network/src/lib.rs b/crate_placeholders/zagros-system-emulated-network/src/lib.rs
index 75364917..b1616aa1 100644
--- a/crate_placeholders/zagros-system-emulated-network/src/lib.rs
+++ b/crate_placeholders/zagros-system-emulated-network/src/lib.rs
@@ -1,3 +1,8 @@
+// This file is part of Pezkuwi SDK.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
 //! zagros-system-emulated-network
 //! This crate is part of the PezkuwiChain SDK.
 //! Full implementation coming soon.