Shared Bitcoin Treasury

Vault definition

Vault label

Threshold (t)

Member pubkeys (one per line, 64-char x-only or 66-char compressed hex)

About this vault: it is a single fixed Bitcoin P2WSH multisig address. Funds locked into it are spendable only by whoever holds the private keys that correspond to the member pubkeys you list here. The web app itself never signs Bitcoin transactions — you sign in a Bitcoin multisig coordinator such as Sparrow Wallet. The Nostr key you use for coordination does not need to be the same as any Bitcoin key.

Deterministic ID: the vault ID is sha256(descriptor)[:32]. Any co-signer who enters the same members, threshold and network gets the same ID, so you automatically see each other's proposals. Use Share vault to send the exact definition to a peer; they can paste it via Import vault….

Proposals

How coordination works here. A proposal is a Nostr event. Each co-signer clicks Sign to publish a signature share (kind 21001) that records their approval. This is a coordination vote on Nostr, not a Bitcoin signature. Once the threshold is reached you take the agreed details to Sparrow Wallet and build, sign, and broadcast the actual on-chain transaction there.

Sync proposals with a peer

If your peer's proposals don't appear automatically, you can pull them explicitly from a peer's pubkey. This uses the authors filter, which every relay supports.

Peer pubkey (npub or 64-char hex)

Or paste a shared proposal directly: a nevent1… string, a note1… string, a 64-char event id, or a full signed-event JSON (as produced by the "Copy as JSON" button on each proposal).

Import shared proposal

Bitcoin tools

Vault descriptor check

Paste a descriptor in the form wsh(sortedmulti(t,02…,02…)) to re-derive its ID and P2WSH address. This is the same derivation used by the Vault tab, so a matching address here confirms the descriptor is correct before you paste it into Sparrow. Member pubkeys may be either 64-char x-only hex (auto-prefixed with 02) or 66-char compressed hex starting with 02 or 03.

Descriptor

Network

Shared Bitcoin Treasury

Vault definition

Key management

Relay pool

Add relay

Trusted external services

Address book

Proposals

Treasury balance

On-chain multisig

Summary

Bitcoin tools

Vault descriptor check

Diagnostics

Import private key

Export private key

Connect to bunker (NIP-46)

New entry

Export address book

Decrypt import

New proposal

Import vault from JSON

Edit vault members

Confirm