Cargo Features

prov-cosmwasm-crypto has no features set by default.

[dependencies]
prov-cosmwasm-crypto = { version = "1.0.0-provbeta3", features = ["backtraces"] }
backtraces

backtraces provides much better context at runtime errors (in non-wasm code)
at the cost of a bit of code size and performance.
This feature requires Rust nightly because it depends on the unstable backtrace feature.