sapling-crypto is used at run time in 10 crates (of which 1 optionally). It is a direct run-time dependency in 5 crates.

Depender (with downloads and own rev deps) sapling-crypto version
20K 13 zcash_primitives ^0.1.3
17K 7 zcash_proofs ^0.1.3
2.7K 4 zcash_client_backend ^0.1.3
2.6K 2 zcash_keys optional ^0.1.3
160 zcash_client_sqlite ^0.1.3