solana-secp256k1-recover is used at run time in 120 crates (of which 1 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) solana-secp256k1-recover version
1.1M 546 solana-program =2.1.0
1.1M 610 solana-sdk =2.1.0