Cargo Features

bitcoin_blockchain has no features set by default.

[dependencies]
bitcoin_blockchain = { version = "0.10.0", features = ["all", "serde"] }
all = serde
serde all? = serde_crate

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.

serde_crate serde?

Enables serde