Litecoin Falls Victim to Denial-of-Service Attack, Successfully Rolls Back 13 Blocks
On Friday and Saturday, a series of events led to a 13-block reorganization on the Litecoin network, effectively reversing 32 minutes of network activity. This was in response to a denial-of-service attack that exploited a vulnerability in the Mimblewimble Extension Block protocol, allowing invalid transactions to bypass nodes that had not been updated. The Litecoin Core v0.21.5.4 release contain…
April 26, 2026, 8:34 a.m.