bitcoinerlab/descriptors

A TypeScript library for parsing Bitcoin Descriptors, including Miniscript-based ones. Streamlines creating Partially Signed Bitcoin Transactions (PSBTs) from Descriptors. Features BIP32, single-signature, and Hardware Wallet signing capabilities, and facilitates finalizing transactions.

TypeScript

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The **bitcoinerlab/descriptors** library is a TypeScript toolkit for parsing Bitcoin descriptor strings (including Miniscript‑based and Taproot descriptors), generating Bitcoin addresses/scriptPubKeys, and building, signing, and finalizing Partially Signed Bitcoin Transactions (PSBTs). It enables developers to work with complex spending conditions—such as time‑locked or multi‑sig scripts—and to integrate hardware‑wallet or BIP32 key management into transaction flows. The library is aimed at Bitcoin‑core engineers, wallet builders, and crypto‑hardware integrators who need a programmatic, descriptor‑aware way to create, fund, and spend UTXOs.

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Support the dependencies of bitcoinerlab/descriptors

bitcoinerlab/miniscript

Bitcoin Miniscript, a high-level language for describing Bitcoin spending conditions. It includes a compiler/analyzer with a signer‑agnostic satisfier that derives symbolic witnesses (e.g., <sig(key)>).

bitcoinerlab/secp256k1

A library for performing elliptic curve operations on the secp256k1 curve. It is designed to integrate into the BitcoinJS & BitcoinerLAB ecosystems and uses the audited noble-secp256k1 library. It is compatible with environments that do not support WASM, such as React Native.