Cryptocurrency worth over 60 billion yen, the highest ever, was stolen by hacking

Poly Network , a platform that provides cross-chain technology that allows direct exchange of different virtual currencies, was hacked and a total of $611 million worth of virtual currencies, including Ethereum (ETH) and Binance Coin (BNB), was stolen. has leaked out.

At least $611 million stolen in massive cross-chain hack

On August 10, 2021, Poly Network reported on Twitter that it had been hacked and published the addresses of Ethereum, Binance, and USD Coin (USDC) to which the stolen virtual currency was sent. We also called on affected cryptocurrency miners and exchanges to blacklist tokens sent from the affected addresses.

In response to this, Tether, which handles the virtual currency Tether (USDT), has blacklisted USDT issued with stolen $33 million ( approximately 4 billion yen) worth of Ethereum. In addition, the user who informed the hacker that USDT was on the blacklist reported that he received 13.37 ETH (about 4.7 million yen) in return.

Foreign media outlet The Block reported that as a result of this hack, 273 million dollars (approximately 30 billion yen) of Ethereum, 253 million dollars (approximately 28 billion yen) of Binance coins, and approximately 85 million dollars (approximately 9 billion yen) of We estimate that USD coins were stolen.

Poly Network said, ``Preliminary investigation shows that the hacker exploited a vulnerability in the contract invocation.'' In addition, blockchain security company SlowMist reports that it is ``tracking the hacker's email address and IP address.'' According to SlowMist, the hacker's original funds were Monero (XMR), which he later exchanged into BNB and ETH at an exchange. SlowMist said, 'This hack is likely an orchestrated, long-planned attack.'

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