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Monero Faces Major Chain Rollback, Invalidating Transactions

Monero Faces Major Chain Rollback, Invalidating Transactions

by Diego Alvarez

19 hours ago


In a significant and unprecedented event, Monero's network has faced its largest chain rollback to date, raising alarms about the stability and security of the cryptocurrency. This incident, which occurred between September 14 and 15, 2025, has led to a substantial reorganization of the blockchain, prompting exchanges to reassess their transaction confirmation protocols. The source reports that this rollback has erased 36 minutes of transaction history, further complicating the situation for users and traders alike.

Rollback Incident Overview

The rollback involved an 18-block reorganization that invalidated 118 transactions, effectively erasing 36 minutes of transaction history. This disruption was triggered by the mining pool Qubic, which released a hidden chain that managed to overtake the main Monero network. As a result, many users and stakeholders are questioning the finality of transactions on the platform, a core feature that underpins the trust in cryptocurrency systems.

Response from Exchanges

In response to the incident, several exchanges have announced that they will be extending their confirmation requirements for Monero transactions. This precautionary measure aims to mitigate the risks associated with potential future rollbacks and to ensure that users can transact with greater confidence. The Monero community is now faced with the challenge of addressing these concerns and restoring trust in the network's integrity.

Key Measures Being Taken

  • Exchanges extending confirmation requirements
  • Mitigating risks of future rollbacks
  • Restoring trust in the network's integrity

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