Polkadot{.js}

Polkadot{.js} is open-source and non-custodial. Polkadot{.js} has not experienced any major hacks, exploits, scandals, or criminal charges. Security relies on browser sandboxing, encrypted key storage, and optional password protection to secure wallet access.

Polkadot{.js} was created by Parity Technologies, a company founded by Gavin Wood, Jutta Steiner, and Björn Wagner.

Parity Technologies, the organization behind Polkadot{.js}, is headquartered in London, England, United Kingdom.

Polkadot{.js} can be installed as a browser extension that connects directly to supported Polkadot and Substrate networks. Polkadot{.js} generates and stores private keys locally within the browser environment and allows signing transactions through a UI. Connectivity occurs via the browser without requiring external hardware. Users can integrate Polkadot{.js} with compatible decentralized applications using Polkadot’s extension API to approve transactions and interact with the blockchain.

Polkadot{.js} was released March 08, 2020.