# Conflict Detection

> The ability to detect that data changed since it was read, so a conflicting write can be rejected.

Record: `lexicon:conflict-detection`
Kind: capability
Layer: [Atomic Boundary](https://banes-lab.com/records/layer/atomic-boundary.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-conflict-detection

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Blind Overwrite](https://banes-lab.com/records/lexicon/blind-overwrite.md) and before [Retry Complexity](https://banes-lab.com/records/lexicon/retry-complexity.md).

## Category

- [Transactions / State / Concurrency](https://banes-lab.com/records/lexicon-category/transactions-state-concurrency.md)

## Enabled by

- [Optimistic Locking](https://banes-lab.com/records/architecture/optimistic-locking.md)

## Linked from

- [Transactions / State / Concurrency](https://banes-lab.com/ontology/principles/architecture-category-transactions-state-concurrency.md)