Ask/Knowledge Atlas/Partially Signed Bitcoin Transactions
Wallets & custody · Maintained 2026

Partially Signed Bitcoin Transactions

BIP174 PSBT is a standard container for passing unsigned or partially signed transaction data among coordinators, wallets, hardware signers, and other tools without requiring every participant to construct or broadcast the transaction.

Context

Why it matters

BIP174 PSBT is a standard container for passing unsigned or partially signed transaction data among coordinators, wallets, hardware signers, and other tools without requiring every participant to construct or broadcast the transaction.

Canonical knowledge

What California Bitcoin maintains

  • BIP174 PSBT is a standard container for passing unsigned or partially signed transaction data among coordinators, wallets, hardware signers, and other tools without requiring every participant to construct or broadcast the transaction.

Primary and technical sources

Evidence before assertion
BIP174: Partially Signed Bitcoin Transaction Format

Bitcoin BIPs

Tier 1 · primary

Related concepts

Continue through the knowledge graph
MultisignatureHardware walletsPSBT version 2Output descriptors
Machine accessAgent-ready
https://californiabitcoin.org/api/agent/v1/topic/psbthttps://californiabitcoin.org/api/agent/v1/search?q=Partially%20Signed%20Bitcoin%20Transactionshttps://californiabitcoin.org/api/agent/v1/coveragehttps://californiabitcoin.org/api/agent/v1/sources