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Apr 26, 2026

Litecoin Executes Three-Hour Chain Reorganization to Reverse First Major Privacy-Layer Exploit

Litecoin underwent a chain reorganization spanning more than three hours to undo its first major privacy-layer exploit, with attackers attempting double-spends against cross-chain swap protocols during the fork window.

Apr 26, 2026·1 source
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Top claims

  • ▪NEAR Intents faced approximately $600,000 in exposure from the Litecoin MWEB exploit and chain reorganization.
  • ▪The MWEB vulnerability allowed mining nodes running older software to validate an invalid MWEB transaction.
  • ▪Most 2026 DeFi exploits through mid-April involved cross-chain infrastructure.

Topics

Privacy coinsDecentralized exchange (DEX)CryptocurrenciesBlockchain governanceCrypto exchanges

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