Odaily Planet Daily report: The PoW blockchain Ravencoin has announced a critical consensus vulnerability that has been exploited, causing vulnerable nodes to accept invalid blocks. The first known invalid block appeared at block height 4,487,776. Currently, 2Miners and RavenMiner, which control the majority of hash power, state they are mining a chain starting from height 4,487,776 that excludes the exploited fork. If this chain becomes the dominant one, it could result in a deep chain reorganization of approximately three days. Ravencoin advises centralized exchanges to temporarily suspend RVN deposits and withdrawals until the network stabilizes; transactions confirmed after block height 4,487,775 should be considered at risk. Ravencoin also emphasizes that this notice is intended to enhance transparency and risk awareness and does not constitute support for any rollback or recovery solution.
Ravencoin Network Faces Critical Consensus Vulnerability, Risk of 3-Day Chain Reorganization
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Summary
Ravencoin disclosed a critical consensus vulnerability based on on-chain data, allowing invalid blocks to be accepted by vulnerable nodes. The first invalid block appeared at height 4,487,776. Mining pools 2Miners and RavenMiner are now building a chain from that height, risking a three-day reorganization. Exchanges are advised to suspend RVN deposits and withdrawals. Ravencoin emphasized transparency and warned that transactions after block 4,487,775 are at risk. No rollback is supported. Cross-chain interactions may face uncertainty during this period.
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