Binance CEO Changpeng Zhao revealed on Dec. 2 that the exchange froze around $3 million of the funds from Ankr’s hack.
Possible hacks on Ankr and Hay. Initial analysis is developer private key was hacked, and the hacker updated the smart contract to a more malicious one. Binance paused withdrawals a few hrs ago. Also froze about $3m that hackers move to our CEX.
— CZ Binance (@cz_binance) December 2, 2022
Hacker exploits Ankr Protocol’s code
A hacker exploited a bug in Ankr Protocol’s code to mint six quadrillions of aBNBc token and converted part into $5 million USDC.
Source: Nansen Intern
Blockchain security firm Peckshield said its analysis of the aBNBc token contract showed that it has an unlimited mint bug that allows for the arbitrary mint of the tokens.
Our analysis shows the $aBNBc token contract has an unlimited mint bug. Specifically, while mint() is protected with onlyMinter modifier, there is another function (w/ 0x3b3a5522 func. signature) that completely bypass
We współpracy z: https://cryptoslate.com/binance-freezes-3m-from-ankr-exploit/
