• Litecoin’s network suffered a 13-block reorg on April 25, 2026, due to a reported exploit of an MWEB zero-day bug, according to the team’s testimony.
• Github commits show Litecoin devs patched the MWEB flaw privately in March 2026, 37 days before the exploit hit.
• Litecoin’s @litecoin X account told critics to “stay on the shallow end,” drawing hundreds of hostile replies.

The reorg covered roughly 32 minutes of chain history. According to the Litecoin team’s take on the matter, there was an exploitation of a zero-day bug in the MWEB layer to launch a denial-of-service attack against major mining pools. Non-updated nodes accepted invalid MWEB transactions, which allowed attackers to peg out coins to third-party decentralized exchange ( DEX) platforms.

Mining pools reportedly coordinated a defensive reorg over approximately three hours to reverse those invalid transactions. No valid transactions were lost. Litecoin’s official account posted this summary on April 25:

“A zero-day bug caused a DoS attack that disrupted major mining pools. Non-updated mining nodes allowed an invalid MWEB transaction allowing them to peg out coins to third party DEX’s. A 13-block reorg reversed those invalid transactions — they will not be included in the main chain. All valid transactions during that period remain unaffected. The bug is now fully patched, and the network continues to operate normally.”

Cross-chain bridge NEAR Intents reported exposure of roughly $600,000, but if Litecoin’s statement is correct, actual losses may have been mitigated by the reorg. The network stabilized once miners adopted the patched client.

The “zero-day” label drew immediate scrutiny. Coindesk reporter Shaurya Malwa reviewed the litecoin-project Github repository and found that core developers privately discovered and patched the MWEB consensus vulnerability between March 19 and March 26, 2026, more than five weeks before the April 25 exploit. The fix was never broadly required across miners and nodes, leaving the attack window open.

Analysts and onchain developers pushed back hard. Some framed the incident as a known vulnerability that was not fully communicated. Others questioned whether the timing, precisely after a private patch, pointed to poor responsible disclosure or worse. The technical dispute did not slow the official account’s tone. On April 26, @litecoin posted:

“Some of you know little to nothing about PoW, hash rate, uptime, reorgs, and miner/chain relationships and it shows. Stay on the shallow end of the pool. You’re safer over there.”

The replies hit hard. Users called the post “salty,” “childish,” and “unprofessional.” One user wrote, “I held your coin for years… this is the sh** you post? So childish.” Another said, “Maybe you guys need a new social media person.” The backlash fits a pattern that predates the reorg by years.

In September 2025, the account sarcastically posted that it had fired the “abrasive intern” after prior complaints. The style never changed. The account has regularly traded jabs with critics, rival chains, and influencers through fart jokes, bear market taunts, and pointed one-liners.

Solana’s official account added to the moment. Replying to reorg-related discussion on April 25, @ solana wrote: “How’s your weekend going little buddy?” The community read it as direct payback for months of Litecoin jabs aimed at Solana’s prior outage history.

Litecoin’s fundamentals remain intact per the team. The team insists the MWEB is patched, the canonical chain is stable, and no funds were permanently lost on the main chain. The incident did expose coordination gaps between core developers and the broader miner and node operator base, a known friction point in PoW networks where upgrades are not mandatory.

What the incident made plain is that Litecoin’s communications strategy carries its own risk. Holders and observers who watched the account respond to a serious security event with a one-liner telling critics to stay in the shallow end walked away with a clear picture of how the project handles pressure. Or at least the newly hired intern.

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