Litecoin’s official account confirmed on Saturday afternoon that a zero-day bug triggered a denial-of-service attack against major mining pools, leading to a 13-block chain reorganization that reversed invalid transactions before they could settle on the main chain.
Key Takeaways:
Litecoin confirmed a zero-day bug hit major mining pools on April 25, 2026, enabling invalid MWEB transactions via non-updated nodes. A 13-block reorg reversed the invalid transactions; Litecoin states all valid transactions are safe and the bug is fully patched. NEAR Intents had reported $600K in exposure, but actual losses may be lower now that Litecoin confirms the invalid transactions were wiped. Litecoin Reorg IssuesThe team insists the bug has since been fully patched. The Litecoin network is operating normally as of the team’s statement posted at 4:22 p.m. ET on April 25.
The official Litecoin statement reframes what happened. The reorg was allegedly not attackers successfully rewriting history for profit. It was the network correcting a bug-driven exploit by discarding the invalid chain.
This story is still developing.
