Cargo Features

[dependencies]
ibs = { version = "0.4.0", default-features = false, features = ["zeroize", "serde"] }
default = serde, zeroize

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

zeroize default

Enables zeroize, zeroize of curve25519-dalek

serde default

Enables serde, serde of curve25519-dalek

IBS has 3 features without comments.