Cargo Features

rings-rpc = { version = "0.7.0", default-features = false, features = ["std", "wasm"] }
default = std

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

std default = reqwest

Enables rings-core

wasm = reqwest-wasm

Enables wasm of rings-core

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

reqwest std

Enables reqwest ^0.11

reqwest-wasm wasm?
rings-core std wasm?