Cargo Features

[dependencies]
ord-bitcoincore-rpc-json = { version = "0.19.0", default-features = false, features = ["rand"] }
default = rand

The rand feature is set by default whenever ord-bitcoincore-rpc-json is added without default-features = false somewhere in the dependency tree.

rand default

Enables rand-std of bitcoin

ord-bitcoincore-rpc-json has 2 features without comments.