Litecoin Network Faces Denial-of-Service Attack, Successfully Reverses 13 Blocks
On Friday and Saturday, a chain reorganization occurred on the Litecoin network, reversing approximately 32 minutes of activity after attackers exploited a vulnerability in the Mimblewimble Extension Block (MWEB) protocol, allowing invalid transactions to temporarily pass through unupdated nodes before the network's longest valid chain corrected them. The Litecoin Core v0.21.5.4 release, which in…
April 26, 2026, 8:34 a.m.