Litecoin Network Falls Victim to Denial-of-Service Attack, Prompting 13-Block Rewrite
On Friday and Saturday, a series of events unfolded as a 13-block chain reorganization occurred on the Litecoin network, effectively rewinding 32 minutes of activity. This was in response to a denial-of-service attack that leveraged a vulnerability within the Mimblewimble Extension Block protocol. The attack allowed invalid transactions to bypass nodes that had not been updated, prior to the netw…
April 26, 2026, 8:34 a.m.