ark-ed25519 is used at run time in 6 crates. It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) ark-ed25519 version
4 ark-bulletproofs ^0.4.0
3 noah-crypto ^0.4.0-alpha
4 noah-algebra ^0.4.0-alpha
300K 10 ark-scale dev ^0.4
3.0K 1 ark-transcript dev ^0.4
2 kvac dev ^0.4.0
1 bulletproofs_plus_plus dev ^0.4.0