Decision Workspace
ed25519_heapless vs brine-ed25519 vs ed25519-dalek
Side-by-side comparison of Rust crates
44
ed25519_heapless
experimentalv0.0.2
Ed25519 signature verification, generic over bigint backends
55
brine-ed25519
growingv0.7.0
Ed25519 signature verification for Solana SVM programs using curve25519 syscalls
80
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 | 44 | 55 | 80 |
| Total Downloads | 30 | 64.7K | 142.7M |
| 30d Downloads | 0 | 6.2K | 20.6M |
| Dependents | 0 | 1 | 22.5K |
| Releases | 2 | 10 | 43 |
| Last Updated | 68d ago | 34d ago | 19d ago |
| Age | 2m | 1y 1m | 9y 5m |
Health Breakdown
ed25519_heapless
Maintenance
10
Quality
16
Community
6
Popularity
2
Documentation
10
brine-ed25519
Maintenance
17
Quality
15
Community
7
Popularity
6
Documentation
10
ed25519-dalek
Maintenance
17
Quality
20
Community
20
Popularity
8
Documentation
15
Technical Details
| ed25519_heapless | brine-ed25519 | ed25519-dalek | |
|---|---|---|---|
| Version | 0.0.2 | 0.7.0 | 2.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | GPL-3.0-only | MIT | BSD-3-Clause |
| Dependencies | 7 | 6 | 22 |
| Crate Size | 22KB | 20KB | 98KB |
| Features | 7 | 1 | 14 |
| Yanked % | 0.0% | 0.0% | 4.7% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.81 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •ed25519-dalek has the highest health score (80/100) — a strong overall choice.
- •ed25519-dalek is depended on by 22.5K crates — strongest ecosystem trust.
- •ed25519_heapless, brine-ed25519 are pre-1.0 — API may change.