ec25519 is used at run time in 20 crates (of which 5 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps) ec25519 version
280 6 radicle-crypto ^0.1.0
220 s2id ^0.1.0
480 4 cyphergraphy optional ^0.1.0