Decision Workspace
k256 vs earthbucks_k256 vs k256_flow
Side-by-side comparison of Rust crates
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
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
Core Metrics
| k256 | earthbucks_k256 | k256_flow | |
|---|---|---|---|
| Health Score | 74 | 47 | 42 |
| Total Downloads | 65.8M | 2.6K | 1.7K |
| 30d Downloads | 3.2M | 0 | 0 |
| Dependents | 9.3K | 2 | 0 |
| Releases | 87 | 2 | 1 |
| Last Updated | 5d ago | 636d ago | 1755d ago |
| Age | 6y 7m | 1y 9m | 4y 9m |
Health Breakdown
Technical Details
| k256 | earthbucks_k256 | k256_flow | |
|---|---|---|---|
| Version | 0.14.0 | 0.8.2 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | Apache-2.0 OR MIT |
| Dependencies | 18 | 18 | 13 |
| Crate Size | 110KB | 87KB | 73KB |
| Features | 18 | 18 | 14 |
| Yanked % | 6.9% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | 1.85 | 1.73 | — |
| Owners | 2 (team) | 1 | 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 9.3K crates — strongest ecosystem trust.
- •⚠ earthbucks_k256, k256_flow have not been updated in over a year.
- •k256, earthbucks_k256 are pre-1.0 — API may change.