21MERIDIAN 2140
62 / 104BIP174

PSBT

A portable format for coordinating transaction construction and signatures across devices or parties.

A portable format for coordinating transaction construction and signatures across devices or parties.

A portable format for coordinating transaction construction and signatures across devices or parties. This coordinate is placed in the wider system through its protocol, economic and historical relationships.

Understanding PSBT helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.

01

Linked to related atlas coordinates

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Grounded in a source record

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Explains function and trade-offs

04

Part of the open Bitcoin knowledge graph

DOC · 001BIP 174: Partially Signed Bitcoin Transaction FormatSpecification
Reviewed 25 July 2026Source-first · No investment advice