Initial rebrand: @polkadot -> @pezkuwi (14 packages)

- Package namespace: @polkadot/* -> @pezkuwi/*
- Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common
- Author: Pezkuwi Team <team@pezkuwichain.io>

Core packages:
- @pezkuwi/util (utilities)
- @pezkuwi/util-crypto (crypto primitives)
- @pezkuwi/keyring (account management)
- @pezkuwi/networks (chain metadata)
- @pezkuwi/hw-ledger (Ledger hardware wallet)
- @pezkuwi/x-* (10 polyfill packages)

Total: 14 packages
Upstream: polkadot-js/common v14.0.1

packages/util-crypto/src/base58/bs58.ts

@@ -0,0 +1,43 @@
+// Copyright 2017-2025 @polkadot/util-crypto authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { base58 } from '@scure/base';
+
+import { createDecode, createEncode, createIs, createValidate } from '../base32/helpers.js';
+
+const config = {
+  chars: '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz',
+  coder: base58,
+  ipfs: 'z',
+  type: 'base58'
+};
+
+/**
+ * @name base58Validate
+ * @summary Validates a base58 value.
+ * @description
+ * Validates that the supplied value is valid base58, throwing exceptions if not
+ */
+export const base58Validate = /*#__PURE__*/ createValidate(config);
+
+/**
+ * @name base58Decode
+ * @summary Decodes a base58 value.
+ * @description
+ * From the provided input, decode the base58 and return the result as an `Uint8Array`.
+ */
+export const base58Decode = /*#__PURE__*/ createDecode(config, base58Validate);
+
+/**
+* @name base58Encode
+* @summary Creates a base58 value.
+* @description
+* From the provided input, create the base58 and return the result as a string.
+*/
+export const base58Encode = /*#__PURE__*/ createEncode(config);
+
+/**
+* @name isBase58
+* @description Checks if the input is in base58, returning true/false
+*/
+export const isBase58 = /*#__PURE__*/ createIs(base58Validate);