The aBNBc contract of Ankr (ANKR), a decentralized finance (DeFi) protocol based on BNB Chain (BNB), has been hacked. According to preliminary data, there are millions of dollars lost.
The attacker, who took advantage of a contract vulnerability belonging to the DeFi protocol Ankr, signed millions of dollars worth of profiteering. “0x8dIn the attack carried out by the ” wallet, the technical vulnerability in question was exploited first. 10 trillion BNB staking reward tokens aBNBc produced.
Not content with this, to take advantage of the benefits of aggressive DeFi platforms 10 BNB 183,384.92 aBNBc exchanged for it. These assets are then included in the staking pool. to hBNB converted. To borrow more and diversify assets helio The hacker who staked the protocol stablecoin of the protocol at those minutes of HAY It caused it to fall to the $0.2 band. It is thought that the attacker’s purpose in these transactions is probably to reduce the traceability of the assets and try to erase their traces.
On-chain data analytics platform Lookonchain twitter According to his post, the attacker UniswapBy exchanging and hiding funds using services like , Tornado Cash and various bridges, you end up with approx. 5 million dollars worth of tokens.
After a while, the offensive address tries to “launder” these assets. Ethereum (ETH) mixer Tornado Cash‘to 900 BNB sent.
blockchain security firm Beosin about the attack by in the commentthe exploit was most likely about 12 hours ago. It may have been caused by a technical upgrade by the Ankr team was put forward.
Another blockchain security firm to PeckShield According to the code behind the Ankr contract, any user can use the protocol without a validation. the reward allows him to mint an unlimited amount of staking tokens, and Presumably the attacker also took advantage of this vulnerability.
After the events, Ankr officials said, “Our aBNB token has been abused and we are currently working with exchanges to stop trading immediately.” description came. According to the latest information, it was stated that all key assets in Ankr staking are currently safe and all infrastructure services are not affected.
Binance: We are very interested in the matter
Binance is following the incident closely after the attack, the attack was not related to them and customer funds are safe on the exchange. told:
We are aware of the attack targeting Ankr’s aBNBc token. Our team works with interested parties and BNB Chain busy with further research. This, BinanceIt is not an attack against and your money is safe on our exchange. In case of any update, you will be informed.
CoinGecko According to data, after the attack, the Ankr price was around approx. 9% suffered a loss and 0.0225 from dollars 0.0203 down to $. At the time of writing the news 0.0215 traded in dollars. at the center of the attack aBNBc if 99.5% depreciated.