Cargo Features

[dependencies]
acvm_blackbox_solver = { version = "0.46.0", default-features = false, features = ["bn254", "bls12_381"] }
default = bn254

The bn254 feature is set by default whenever acvm_blackbox_solver is added without default-features = false somewhere in the dependency tree.

bn254 default

Enables bn254 of acir

bls12_381

Enables bls12_381 of acir

acvm_blackbox_solver has 3 features without comments.