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developer-tools // SDKs
JavaScript/TypeScript library for Bitcoin transactions, addresses, and PSBTs.
Build: Self-Custody Wallets
overview
bitcoinjs-lib is a widely used Bitcoin library for Node.js and browsers. It covers transactions, scripts, addresses, and PSBT flows for web and TypeScript wallet tooling.
why // builders
build // with this tool
Move from discovery into Pull’s Learn → Build → Contribute → Prove loop.
projects // suggested
Build address and PSBT flows with bitcoinjs-lib.
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