Litecoin Disputes 'Zero-Day' Attack Claim, GitHub Records Reveal Prior Knowledge of Vulnerability
A recent chain reorganization on the Litecoin network, affecting 13 blocks and approximately 32 minutes of activity, was caused by an exploit of a vulnerability in the Mimblewimble Extension Block (MWEB) protocol. The bug allowed for a denial-of-service attack against major mining pools, enabling invalid MWEB transactions to bypass nodes that had not been updated, before the network's longest val…
April 26, 2026, 8:34 a.m.