Launch Signing Room®

The secure coordination layer for Bitcoin multisig ceremonies.

Signing Room®.io

Multi-Signature Consensus
  • Zero-Knowledge Blind Relay
  • End-to-End AES-GCM Encryption
  • Tamper-Evident Audit Logs
Signing Room®.io

100% Free • Zero Knowledge • Bitcoin Only

DISCLAIMER OF WARRANTY: This is free, open-source software released under the AGPLv3 License. It is provided "as is", without warranty of any kind.

NON-CUSTODIAL: Signing Room® is a zero-knowledge coordination tool, not a wallet or financial institution. We do not have access to your private keys, funds, or unencrypted transaction data. All room data is ephemeral and permanently wiped upon closure or expiration.

USER RESPONSIBILITY: You are solely responsible for verifying transaction details (addresses, amounts, fees) on your hardware device screen before signing. The developers assume no liability for lost funds or software errors.

© 2026 Stateless Research Ltd

Signing Room® is a registered trademark of Stateless Research Ltd.

Made for Bitcoiners

No tracking cookies / No third-party analytics

Registered in England & Wales (No. 16990515)

Warrant Canary • PGP Key