
Bitcoin, UTXO, ECDSA, secp256k1, SHA-256, base58, bech32, SHA-256, RIPEMD-160. Ethereum, account, ECDSA, secp256k1, Keccak-256 *, none (just hex). medium.com › how-does-ecdsa-work-in-bitcoin-7819d201a3ec. Description. This module provides native bindings to ecdsa secp256k1 functions Description. ultra-lightweight library for Bitcoin, Bitcoin Cash, and Bitauth.