Crate features / secp256k1-sys
Feature flags · secp256k1-sys 0.14.1 · from crates.io 2026-10-24
secp256k1-sys features: what each one does, and the line to copy
Short answersecp256k1-sys 0.14.1 has 4 features. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.63.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | nothing else (a switch the code checks) | |
lowmemory | nothing else (a switch the code checks) | |
recovery | nothing else (a switch the code checks) | |
std | yes | alloc |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version secp256k1-sys declares (rust-version), and the release that changed it:
- 0.10.0 (2024-04-02): Rust 1.56.1
- 0.11.0 (2025-04-26): Rust 1.63.0
- 0.8.2 (2025-07-08): no rust-version declared
- 0.12.0 (2025-10-14): Rust 1.63.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p secp256k1-sys --precise <version>, or use resolver 3, which picks compatible versions for you.
More on secp256k1-sys
Real downloads, dependents and alternatives: secp256k1-sys crate data (271.3K real downloads a day, 8 dependents).
docs.rs feature list · crates.io · license CC0-1.0 · edition 2021
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