Harmony's $100 million hacker took control of its multi-signature wallet, analysts say By vishal4c
Security analysts say the hacker first gained control of bridge’s multi-signature wallet.to a theft on its Ethereum-linked bridge.
The anonymous hacker stole multiple assets, including ETH, BNB, USDT, USDC and DAI. These assets were previously bridged from Ethereum to the Harmony blockchain through the Horizon bridge. In response, Harmony said it was working with law enforcement agencies and cyber security firms. Still, the team did not explain how the hack took place.
While the Harmony team has yet to provide an official post-mortem, security experts have offered some insights into the hack., Polygon's chief information security officer, the perpetrator gained control of the multi-signature wallet used in deploying Harmony'smulti-signature wallet is a smart contract account that is managed with several private keys, divided among multiple entities rather than a single person.
the bridge's wallet's funds required a permission from at least two of the total five private keys, so t“The bridge was essentially a 2 of 5 multi-sig. If any 2 addresses told it to transfer funds to someone, it did,” GuptaCertik, a smart contract security firm, corroborated that the hacker did, in fact, target the bridge’s multi-signature wallet.
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