# Transaction Atomicity ⎊ Area ⎊ Resource 3

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## What is the Atomicity of Transaction Atomicity?

Transaction atomicity is a fundamental principle in computer science and finance, ensuring that a series of operations within a single transaction are treated as an indivisible unit. In the context of blockchain technology, this means that either all steps of a smart contract execution are completed successfully, or none of them are executed, preventing partial updates and inconsistent states.

## What is the Integrity of Transaction Atomicity?

This property is essential for maintaining data integrity and eliminating counterparty risk in decentralized finance. For example, in a decentralized exchange trade, atomicity ensures that the buyer receives the asset only if the seller receives the payment, preventing either party from being left in an unfavorable state.

## What is the Settlement of Transaction Atomicity?

In crypto derivatives and options trading, atomicity guarantees that complex operations, such as collateral updates and option exercise, are settled securely and reliably. This feature allows for the creation of trustless financial instruments where the execution logic is enforced by code rather than by a central authority.


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## [Reentrancy Attack Economic Impact](https://term.greeks.live/term/reentrancy-attack-economic-impact/)

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**Original URL:** https://term.greeks.live/area/transaction-atomicity/resource/3/