rust-base58 is used at run time in 48 crates (of which 3 optionally). It is a direct run-time dependency in 17 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) rust-base58 version
150 9 holochain_core_types =0.0.4
sampi ^0.0.4
14 holochain_persistence_api =0.0.4
2 sv ^0.0
utxo-scanner ^0.0.4
avalanche-rs ^0.0.4
1 cryptonote-base58 ^0.0.4
2 fractal-utils ^0.0.4
shadertoy-browser ^0.0.4
bch ^0.0
pw ^0.0.4
purple_address_gen ^0.0.4
helper-carryxd ^0.0.4
3 lib3h_persistence_api =0.0.4
320 1 sovrin-client optional ^0.0.4-15
indy-sdk optional ^0.0.4
eigen_crypto optional ^0.0.4
1.1M 458 bs58 dev ^0.0.4
2.9K 1 fastcrypto dev ^0.0.4