secp256k1-sys is used at run time in 1,582 crates (of which 518 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 29 crates.

Number of dependers secp256k1-sys version Downloads/month
51 0.10.0 52K
492 0.9.2 229K
354 0.8.1 270K
44 0.7.0 2.1K
380 0.6.1 64K
50 0.5.2 23K
170 0.4.2 55K
24 0.3.0 1.4K
46 0.1.2 1.8K
Depender (with downloads and own rev deps) secp256k1-sys version
714K 344 secp256k1 ^0.10.0
9.9K 1 secp256k1-zkp-sys ^0.9.0
4 dlc ^0.6.1