##  [Two-Phase Commit](/two-phase-commit) 

  ##  [Two-Phase Commit](https://natural.quantumdictionary.io/two-phase-commit-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A distributed protocol that coordinates an atomic commit across multiple participants by splitting the decision into a prepare phase (collect votes to commit/abort) and a commit phase (instruct participants to finalize), aiming to ensure atomicity of a distributed transaction.