zip32 is used at run time in 20 crates. It is a direct run-time dependency in 6 crates.

Depender (with downloads and own rev deps) zip32 version
14K 8 orchard ^0.1
11K 9 sapling-crypto ^0.1
8.5K 15 zcash_primitives ^0.1.1
2.2K 3 zcash_keys ^0.1.1
1.5K 4 zcash_client_backend ^0.1.1
290 zcash_client_sqlite ^0.1.1