polkadot-js ☆
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Description:
Portal into the Polkadot and Substrate networks
Type: Cask  |  Latest Version: 0.132.1@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @polkadot  |  formulae.brew.sh
Category: Developer tools
Tags: polkadot substrate blockchain wallet extension cryptocurrency
Install: brew install --cask polkadot-js
About:
The Polkadot.js browser extension serves as a secure bridge between web applications and Polkadot/Substrate-based blockchains. It allows users to manage multiple accounts and sign transactions without exposing private keys to websites. This tool is essential for interacting with decentralized applications in the Polkadot ecosystem.
Key Features:
  • Secure key management for Polkadot/Substrate accounts
  • Support for multiple accounts and address formats
  • Transaction signing without exposing private keys
  • Integration with Polkadot-JS apps and other dApps
Use Cases:
  • Managing cryptocurrency wallets for Polkadot ecosystem tokens
  • Interacting with DeFi protocols on Polkadot parachains
  • Participating in blockchain governance and voting
  • Developing and testing Substrate-based applications
Alternatives:
  • Talisman – Alternative wallet with enhanced UI and multi-chain support
  • SubWallet – Mobile and extension wallet with broader EVM compatibility
Version History
Detected Version Rev Change Commit
Sep 15, 2025 12:47pm 0.132.1 0 VERSION_BUMP 3c1fb24e
Aug 3, 2025 11:08pm 0.132.1 0 VERSION_BUMP 805657de
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