Transaction Reversal → News → Incrypthos News

Transaction Reversal

Definition ∞ Transaction reversal is the process of undoing a completed transaction on a blockchain. In most decentralized systems, transactions are immutable once confirmed, making reversals rare and typically occurring only in specific circumstances like network reorganizations or through centralized intervention in certain platforms. This contrasts with traditional finance where chargebacks are common.
Context ∞ The concept of transaction reversal is pertinent when discussing the finality of transactions on different blockchains and the security implications for financial applications. News concerning reversals often highlights instances where they were necessary due to errors, exploits, or governance decisions. Observers should monitor the conditions under which reversals are permitted and the potential impact on the immutability principle of blockchain technology.

A sleek, metallic, modular blockchain infrastructure component, rendered in cool blue-silver, rests on a textured, foundational layer. Its robust, engineered panels signify a resilient DLT network, designed for high-performance consensus protocols. A translucent, crystalline sphere, symbolizing a secure digital asset or genesis block, is centrally mounted. This setup embodies a decentralized autonomous organization's core mechanism, enabling secure cold storage, cross-chain interoperability, and oracle network integration, crucial for Web3 network security.

→Selfish Mining

→Proof-of-Work

→Cryptographic Privacy

Monero Suffers 18-Block Reorganization, Exposing Double-Spend Risk

An unprecedented 18-block chain reorganization on Monero's mainnet demonstrates critical vulnerabilities to adversarial block withholding, threatening transaction finality.