Meanwhile…

The decade-long engineering efforts toward libsecp256k1, a minimal from scratch Bitcoin-specific library, result in an 800% speed up over OpenSSL while also:

- removing a problematic dependency

- avoiding side channel attacks

- being fully deterministic

Sebastian Falbesoner via

https://bitcoinops.org/en/newsletters/2025/11/07/#comparing-performance-of-ecdsa-signature-validation-in-openssl-vs-libsecp256k1