Decision Workspace
bitcoin-capnp-types vs bdk_wallet vs k256
Side-by-side comparison of Rust crates
45
bitcoin-capnp-types
experimentalv0.1.0
Auto-generated types according to Bitcoin Core Cap'n Proto schemas
77
bdk_wallet
stablev2.3.0
A modern, lightweight, descriptor-based wallet library
74
k256
growingv0.13.4
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
| bitcoin-capnp-types | bdk_wallet | k256 | |
|---|---|---|---|
| Health Score | 45 | 77 | 74 |
| Total Downloads | 5.4K | 626.5K | 47.9M |
| 30d Downloads | 2.8K | 98.6K | 3.5M |
| Dependents | 2 | 131 | 6.6K |
| Releases | 1 | 20 | 79 |
| Last Updated | 63d ago | 2d ago | 17d ago |
| Age | 2m | 2y 1m | 6y 3m |
Health Breakdown
bitcoin-capnp-types
Maintenance
9
Quality
13
Community
7
Popularity
4
Documentation
12
bdk_wallet
Maintenance
22
Quality
20
Community
13
Popularity
7
Documentation
15
k256
Maintenance
18
Quality
13
Community
20
Popularity
8
Documentation
15
Technical Details
| bitcoin-capnp-types | bdk_wallet | k256 | |
|---|---|---|---|
| Version | 0.1.0 | 2.3.0 | 0.13.4 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | CC0-1.0 | MIT OR Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 6 | 15 | 17 |
| Crate Size | 12KB | 203KB | 94KB |
| Features | 0 | 8 | 19 |
| Yanked % | 0.0% | 0.0% | 7.6% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85.0 | 1.63 | 1.65 |
| Owners | 2 | 3 | 2 (team) |
Links
Quick Verdict
- •bdk_wallet leads with a health score of 77/100, but none of the options score above 80.
- •k256 has the most downloads (47.9M), suggesting wider adoption.
- •k256 is depended on by 6.6K crates — strongest ecosystem trust.
- •bitcoin-capnp-types, k256 are pre-1.0 — API may change.