Decision Workspace
k256_flow vs k256 vs earthbucks_k256
Side-by-side comparison of Rust crates
Flow-Rust-SDK Version of k256 secp256k1 elliptic curve library written in pure Rust with support for ECDSA signing/verification (including Ethereum-style signatures with public-key recovery), Elliptic Curve Diffie-Hellman (ECDH), and general purpose secp256k1 curve arithmetic useful for implementing arbitrary group-based protocols. Heavily modified for signing Flow blockchain transactions
secp256k1 elliptic curve library written in pure Rust with support for ECDSA signing/verification/public-key recovery, Taproot Schnorr signatures (BIP340), Elliptic Curve Diffie-Hellman (ECDH), and general-purpose secp256k1 elliptic curve group operations which can be used to implement arbitrary protocols
secp256k1 elliptic curve library written in pure Rust with support for ECDSA signing/verification/public-key recovery, Taproot Schnorr signatures (BIP340), Elliptic Curve Diffie-Hellman (ECDH), and general-purpose secp256k1 elliptic curve group operations which can be used to implement arbitrary protocols
Core Metrics
| k256_flow | k256 | earthbucks_k256 | |
|---|---|---|---|
| Health Score | 42 | 74 | 48 |
| Total Downloads | 1.7K | 47.9M | 2.5K |
| 30d Downloads | 4 | 3.6M | 40 |
| Dependents | 0 | 6.6K | 2 |
| Releases | 1 | 79 | 2 |
| Last Updated | 1647d ago | 17d ago | 528d ago |
| Age | 4y 6m | 6y 3m | 1y 5m |
Health Breakdown
Technical Details
| k256_flow | k256 | earthbucks_k256 | |
|---|---|---|---|
| Version | 1.0.0 | 0.13.4 | 0.8.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 13 | 17 | 18 |
| Crate Size | 73KB | 94KB | 87KB |
| Features | 14 | 19 | 18 |
| Yanked % | 0.0% | 7.6% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.65 | 1.73 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •k256 leads with a health score of 74/100, but none of the options score above 80.
- •k256 is depended on by 6.6K crates — strongest ecosystem trust.
- •⚠ k256_flow, earthbucks_k256 have not been updated in over a year.
- •k256, earthbucks_k256 are pre-1.0 — API may change.