The MAP Protocol’s Butter Bridge suffered a serious exploit on May 20, 2026, with attackers minting 1,000,000,000,000,000 MAPO tokens, approximately 4.8 million times the legitimate circulating supply of approximately 208 million.
The MAP token fell by approximately over 30% in the immediate aftermath.
Multiply the MAP protocol by 1 quadrillion mint tokens
Security firm PeckShield raised immediate alarms, highlighting a vulnerability in Butter Bridge V3.1’s OmniServiceProxy contract that allowed unauthorized mining on Ethereum and BSC.
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The attacker ran Mint via a spoofed cross message on the Butter Bridge, routing 1 quadrillion MAPOs from the zero address to the wallet address 0x40592025392BD7d7463711c6E82Ed34241B64279.
Data on the chain He appears The exploiter altered parts of the fake supply, mined approximately 52.2 ETH (about $110,000 USD) and withdrew over $180,000 USD worth of liquidity from Uniswap pools before the price collapsed.
Most of the inflated tokens remain in the attacker’s wallet.
This incident adds to a worrying trend for 2026: PeckShield has tracked multiple bridge exploits that have drained hundreds of millions across DeFi this year.
Market Impact: MAPO prices collapse
MAPO, the native token of the Bitcoin Layer-2 and omnichain interoperability project, was trading at around $0.003 before the attack. The massive dilution led to a sharp sell-off and the evaporation of liquidity.
As of this writing, MAPO is trading for $0.001558, down nearly 30% after the incident.
Equity holders and liquidity providers faced immediate losses as trading pairs were destabilized.
The MAP protocol positions itself as a secure infrastructure for BTC, stablecoins and token assets using lightweight clients and MPC-based verification.
The bridge flaw exposed vulnerabilities in message validation despite these safeguards.
The project team has not yet issued an official statement regarding mitigation steps, such as pausing contracts, token blacklisting, or supply modifications.
Investors should avoid interacting with affected MAPO complexes or bridges until official updates appear.
This event highlights ongoing risks in cross-chain infrastructure. like The bridge’s exploits continue in 2026,Users and protocols must prioritize audited verification layers and ,rapid response mechanisms.
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