Litecoin Network Recovers from Denial-of-Service Attack and 13-Block Rewrite
A denial-of-service attack on the Litecoin network, leveraging a vulnerability in its Mimblewimble Extension Block protocol, was countered with a 13-block chain reorganization, effectively rewinding 32 minutes of network activity. The attack, which occurred late Friday and Saturday, was made possible by a bug that allowed invalid transactions to bypass updated nodes, prior to the network's longes…
April 26, 2026, 8:34 a.m.