Bitcoin implementation in PHP

A proof-of-concept cracker for cryptocurrency brainwallets and other low entropy key algorithms.

privkey hunt for crypto currencies that use secp256k1 elliptic curve

Audited & minimal JS implementation of elliptic curve cryptography.

Fastest 5KB JS implementation of secp256k1 signatures and ECDH

Audited pure JS library containing all Ethereum-related cryptographic primitives

A fork of libsecp256k1 with support for advanced and experimental features such as Confidential Assets and MuSig2

Pollard's kangaroo for SECPK1

Solidity crypto libraries, ring signatures, proof of knowledge, packed signatures etc. with matching Python implementations for secp256k1 and (alt)BN-256

An ultra-lightweight, zero-dependency TypeScript library for Bitcoin Cash, Bitcoin, and Bitauth applications.

Crypto Deep Tools a set of scripts for detailed cryptanalysis of the Blockchain network in cryptocurrency Bitcoin

a straightforward library to build, sign, and broadcast ethereum transactions anywhere you can run ruby.

Python Bitcoin Utils CLI — Interactive interface for python-bitcoin-utils library with low-level Bitcoin tools for key generation, address creation (P2PKH/P2SH/P2WPKH/P2WSH/P2TR), SegWit/Taproot transaction building, script assembly, block parsing, and Rich terminal menu

A Cashu wallet for Android and iOS 🥜🐿️

Safest and fastest Python library for secp256k1 elliptic curve operations

Elliptic Curve Integrated Encryption Scheme for secp256k1/curve25519 in TypeScript

Python Library for Secp256k1 Bitcoin curve to do fast ECC calculation

webcrypto-liner is a polyfill that let's down-level User Agents (like IE/Edge) use libraries that depend on WebCrypto. (Keywords: Javascript, WebCrypto, Shim, Polyfill)

Swift cryptography library for Bitcoin and Nostr. ECDSA, Schnorr, ECDH, and zero-knowledge proofs on secp256k1. Apple platforms and Linux.

Multi-provider digital signature library for Rust