ark-secp256k1 is used at run time in 23 crates. It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) ark-secp256k1 version
20K 5 cairo-lang-runner ^0.4.0
2.8K 3 blockifier ^0.4.0
370 4 ark-secq256k1 ^0.4.0
320 stealth_address_kit ^0.4.0
4 ark-bulletproofs ^0.4.0
4 noah-algebra ^0.4.0-alpha
3 noah-crypto ^0.4.0-alpha
1 merkle-tree-wasm ^0.4.0
140 2 kvac dev ^0.4.0
140 1 bulletproofs_plus_plus dev ^0.4.0
1 anonklub-poseidon dev ^0.4.0