Map Protocol/Butter Network cross-chain bridge attacked on Ethereum and BSC, loss approximately $110k

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ME News Report, May 21 (UTC+8), according to Blockaid monitoring, the Map Protocol/Butter Network cross-chain bridge was attacked on Ethereum and BSC. The attacker tricked the Butter Bridge V3.1 contract into directly minting about 10 trillion MAPO tokens to a newly created EOA address, approximately 4.8 million times the legitimate supply of 208 million tokens. Additionally, according to DeFi community YAM monitoring, the attacker has currently profited about 52.2 ETH (approximately $110k). In response, MAP Protocol stated that the team has been informed of the incident and is coordinating with external security partners to investigate and contain it. The bridge between MAPO ERC-20 and the MAPO mainnet has been suspended. Please do not trade MAPO ERC-20 tokens on Uniswap at this time. During the incident mitigation period, the funds pool remains at risk. Butter Network responded that ButterSwap has been paused, and the team is coordinating with external security partners for investigation. Pending transactions will be processed after security is restored. User funds are not at risk, and all affected transactions will be fully processed once recovery is complete. (Source: PANews)
MAPO2.44%
ETH0.3%
UNI-0.41%
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AirdropCartographer
· 7h ago
After this round, all contract permissions will probably need to be reviewed again.
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PickingUpCatsInTheContract
· 19h ago
52.2 ETH just ran, is the hacker in a hurry to pay rent?
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GateUser-9335da8b
· 19h ago
How does EOA directly mint tokens, and how is permission management handled?
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GateUser-382715ed
· 19h ago
Uniswap needs to add warnings quickly, so no one takes the bait.
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GateUser-423f10e3
· 19h ago
Pausing the bridge is the right move; stop the bleeding first, then investigate the root cause.
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SlippageSkeptic
· 19h ago
4.8M times more issuance? I can't even calculate this number with my calculator.
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TheWindOnTheBridgeIsTooStrong.
· 19h ago
It's yet again another cross-chain bridge; this attack method is getting exhausting to watch.
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