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
