Cargo Features

[dependencies]
ethers-impl-serde = { version = "0.4.0", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever ethers-impl-serde is added without default-features = false somewhere in the dependency tree.

std default

Enables std of serde

serde:

Provide impls for common standard library types like Vec<T> and HashMap<K, V>.
Requires a dependency on the Rust standard library.

ethers-impl-serde has 2 features without comments.