21MERIDIAN 2140
36 / 104CHG

Change output

The output that returns unspent value from a selected UTXO back under the spender’s control.

The output that returns unspent value from a selected UTXO back under the spender’s control.

The output that returns unspent value from a selected UTXO back under the spender’s control. This coordinate is placed in the wider system through its protocol, economic and historical relationships.

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

01

Linked to related atlas coordinates

02

Grounded in a source record

03

Explains function and trade-offs

04

Part of the open Bitcoin knowledge graph

DOC · 001Bitcoin Developer Guide — Transaction DataDocumentation
Reviewed 25 July 2026Source-first · No investment advice