Swift cryptography library for Bitcoin and Nostr. ECDSA, Schnorr, ECDH, and zero-knowledge proofs on secp256k1. Apple platforms and Linux.
Latest release 0.23.2 · 23 May 2026
1 file for Codex and OpenCode: swift-secp256k1 AGENTS.md — 921 tokens loaded in every session.
AGENTS.md A 921 tok These files are 21-DOT-DEV/swift-secp256k1's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.