diff --git a/chains/types/pezkuwi.json b/chains/types/pezkuwi.json
new file mode 100644
index 0000000..7e71938
--- /dev/null
+++ b/chains/types/pezkuwi.json
@@ -0,0 +1,12 @@
+{
+  "types": {
+    "ExtrinsicSignature": "MultiSignature",
+    "Address": "pezsp_runtime::multiaddress::MultiAddress",
+    "LookupSource": "pezsp_runtime::multiaddress::MultiAddress"
+  },
+  "typesAlias": {
+    "pezsp_runtime::multiaddress::MultiAddress": "MultiAddress",
+    "pezsp_runtime::MultiSignature": "MultiSignature",
+    "pezsp_runtime.generic.era.Era": "Era"
+  }
+}