Spartan-ecdsa

Spartan-ecdsa (which to our knowledge) is the fastest open-source method to verify ECDSA (secp256k1) signatures in zero-knowledge. It can prove ECDSA group membership 10 times faster than efficient-zk-ecdsa, our previous implementation of fast ECDSA signature proving. Please refer to our blog post for further information.

Benchmarks

Proving membership to a group of ECDSA public keys

Benchmark	#
Constraints	8,076
Proving time in browser	4s
Proving time in Node.js	2s
Verification time in browser	1s
Verification time in Node.js	300ms
Proof size	16kb

• Measured on a M1 MacBook Pro with 80Mbps internet speed.
• Both proving and verification time in browser includes the time to download the circuit.

Disclaimers

• Spartan-ecdsa is unaudited. Please use it at your own risk.
• Usage on mobile browsers isn’t currently supported.

Install

yarn add @personaelabs/spartan-ecdsa

Development

Node.js

v18 or later

Install dependencies & Build all packages

yarn && yarn build