Cargo Features

[dependencies]
enr = { version = "0.12.1", default-features = false, features = ["serde", "k256", "ed25519", "secp256k1", "rust-secp256k1"] }
default = k256, serde

These default features are set whenever enr is added without default-features = false somewhere in the dependency tree.

serde default

Enables serde

k256 default

Enables k256

ed25519

Enables ed25519-dalek

secp256k1 = rust-secp256k1
rust-secp256k1 secp256k1?

Enables secp256k1

ENR has 6 features without comments.