zkp-primefield is used at run time in 5 crates (4 directly).

Depender (with downloads and own rev deps) zkp-primefield version
2 zkp-elliptic-curve ^0.2.0
1 zkp-elliptic-curve-crypto ^0.2.0
2 zkp-hash ^0.2.0
zkp-stark ^0.2.0