Wu said that Litecoin announced a zero-day vulnerability in its MimbleWimble Extension Block (MWEB) privacy layer, which caused some unupgraded nodes to validate invalid transactions and triggered a DoS attack against mining pools; as a result, attackers transferred funds to third-party DEXs. The network then reorganized approximately 13 blocks to roll back the invalid transactions, with normal transactions unaffected. The vulnerability has now been fixed, and the network has resumed normal operation.

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