Litecoin hit by denial-of-service attack, rewrites 13 blocks to reverse effect

Litecoin hit by denial-of-service attack, rewrites 13 blocks to reverse effect

Search/NewsVideoPricesResearchConsensus 2026Data & IndicesSponsoredSearch/enMarketsShareShare this articleCopy linkX iconX (Twitter)LinkedInFacebookEmailLitecoin hit by denial-of-service attack, rewrites 13 blocks to reverse effectLitecoin's foundation called the weekend exploit a zero-day. The litecoin-project GitHub repository shows the consensus vulnerability was privately patched between March 19 and 26, more than four weeks before the attack.By Shaurya MalwaUpdated Apr 26, 2026, 11:04 a.m. Published Apr 26, 2026, 8:34 a.m. Make preferred on What to know: Attackers exploited a patched, but not fully deployed, vulnerability in Litecoin’s Mimblewimble Extension Block protocol, triggering a 13-block chain reorganization that rewound about 32 minutes of activity.Public GitHub commits show the core consensus bug was privately fixed weeks before the exploit, creating a window in which some

Source: https://www.coindesk.com/markets/2026/04/26/litecoin-says-its-13-block-reorg-was-not-a-zero-day-but-github-commit-history-shows-otherwise