MWEB Postmortem: The March Exploit That Preceded the April Reorg
The April 25, 2026 Litecoin reorg was not the first use of this zero-day. In March 2026, the same MWEB peg-out vulnerability was exploited. That incident was resolved through a private 850 LTC recovery bounty and was never publicly disclosed. April was the second attempt, on a larger scale.
- A prior MWEB exploit occurred in March 2026, weeks before the April reorg
- March incident was resolved with an 850 LTC bounty — never publicly announced
- Both incidents used the same zero-day in MWEB peg-out validation
- April's reorg was a deliberate second attempt after the private March resolution
- The March-to-April timeline raises questions about the disclosure decision
Full interactive article with on-chain data available at ltc.supply/news/litecoin-mweb-postmortem-april-2026