Gotham city is a fully functional client/server application for issuing two party ECDSA signatures.

Gotham server is an ECDSA agnostic signing machine. List of supported Curve(s):

• secp256k1

You can see a full fledged example of a client which connects to gotham server under: integration-tests/test_ecdsa_key_signing

• For details on Threshold Signatures see Threshold Signatures: The Future of Private Keys

• secp256k1: Rust language bindings for Bitcoin secp256k1 library.
• two-party-ecdsa: Rust implelemtation of Lindell's Crypto17 paper: Fast Secure Two-Party ECDSA Signing

For more information, see our white paper.

In a local networking setup, with a MacBook Air M2, 8GB RAM and macOS 13.5:

• cargo bench --bench keygen_bench reports 762ms
• cargo bench --bench sign_bench reports 151ms

See LICENSE for more information.

For any questions, feel free to email us or join ZenGo X Telegram.