Here’s How Litecoin (LTC) Contained a Massive MWEB Exploit

Here’s How Litecoin (LTC) Contained a Massive MWEB Exploit

Dark Mode Toggle Ball Crypto News Today Market Updates Margin Trading Guides Videos Price Analysis BTC Analysis ETH Analysis XRP Analysis Bitcoin For Beginners Interviews Editorials DeFi & NFT Buy Crypto Language Bulgarian Turkish Spanish © Copyright CryptoPotato Home » Crypto News Litecoin experienced a significant disruption tied to its MimbleWimble Extension Block (MWEB) privacy layer after a critical validation flaw was discovered and exploited across two separate incidents in March and April 2026, according to a post-mortem shared by developer David Burkett. The issue originated from a bug in how MWEB inputs were validated during block connection, which allowed a miner to include malformed metadata that did not match the actual unspent transaction output being referenced. This enabled an attacker to construct a block where a relatively small input appeared to justify a much larger w

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