Open-source Bitcoin multisig coordinator: shared signing queue, hardware wallets, live signet demo
In briefOpen-source Bitcoin multisig coordinator with shared signing queue and signet demo
SummaryThe author has open-sourced btc-safe, a self-hosted, watch-only Bitcoin multisig coordinator. A proposer creates a transaction, which co-signers review in a shared queue and sign on their own devices; it is broadcast once M of N signatures are collected. The server stores only xpubs and descriptors, never keys or signatures. It supports Ledger, Trezor, Sparrow, Caravan and PSBT files, plus TOTP 2FA and role-based access. It can be tried on signet with no real funds.