Decision Workspace
ed25519_heapless vs brine-ed25519 vs ed25519-dalek
Side-by-side comparison of Rust crates
47
ed25519_heapless
experimentalv0.0.2
Ed25519 signature verification, generic over bigint backends
48
brine-ed25519
experimentalv0.2.0
Ed25519 signature verification for Solana SVM programs using curve25519 syscalls
78
ed25519-dalek
stablev2.2.0
Fast and efficient ed25519 EdDSA key generations, signing, and verification in pure Rust.
Core Metrics
| ed25519_heapless | brine-ed25519 | ed25519-dalek | |
|---|---|---|---|
| Health Score | 47 | 48 | 78 |
| Total Downloads | 26 | 55.3K | 109.5M |
| 30d Downloads | 26 | 3.3K | 12.5M |
| Dependents | 0 | 0 | 17.2K |
| Releases | 2 | 3 | 42 |
| Last Updated | 8d ago | 263d ago | 51d ago |
| Age | 18d | 11m | 9y 3m |
Health Breakdown
ed25519_heapless
Maintenance
13
Quality
16
Community
6
Popularity
2
Documentation
10
brine-ed25519
Maintenance
10
Quality
16
Community
6
Popularity
6
Documentation
10
ed25519-dalek
Maintenance
15
Quality
20
Community
20
Popularity
8
Documentation
15
Technical Details
| ed25519_heapless | brine-ed25519 | ed25519-dalek | |
|---|---|---|---|
| Version | 0.0.2 | 0.2.0 | 2.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | GPL-3.0-only | MIT | BSD-3-Clause |
| Dependencies | 7 | 3 | 22 |
| Crate Size | 22KB | 8KB | 98KB |
| Features | 7 | 2 | 14 |
| Yanked % | 0.0% | 0.0% | 4.8% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.81 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •ed25519-dalek leads with a health score of 78/100, but none of the options score above 80.
- •ed25519-dalek is depended on by 17.2K crates — strongest ecosystem trust.
- •ed25519_heapless, brine-ed25519 are pre-1.0 — API may change.