secp256k1-native

https://github.com/sgbett/secp256k1-native

A standalone Ruby gem providing secp256k1 elliptic curve primitives via a native C extension. Implements field arithmetic, scalar operations, Jacobian point arithmetic, and constant-time Montgomery ladder scalar multiplication — all without any dependency on libsecp256k1. Suitable for any Ruby project requiring secp256k1 operations.