New hack in the decentralized financial sector, the DeFi Ankr protocol based on the BNB Chain blockchain has been hacked.
the issued by the hacker quadrillion in aBNBc tokens of which 20 trillion was exchanged for BNB which he mainly tried to sell on Binance but was seized by the crypto exchange which also suspended the withdrawal of the tokens concerned, confirmed its CEO Changpeng Zhao.
aBNBc, Ankr Reward Bearing Staked BNB, a reward token for BNB staked on the Ankr protocol.
“Possible Ankr and Hay hacks. Initial analysis shows that the developer’s private key was hacked and the hacker updated the smart contract to a more malicious one.
Binance suspended withdrawals a few hours ago. Also froze about $3 million that the hackers transferred to our CEX. »
Possible Ankr and Hay hacks. The initial analysis is that the developer’s private key was hacked, and the hacker updated the smart contract to a more malicious one. Binance stopped withdrawals a few hours ago. Also froze about $3m that the hackers moved to our CEX.
— CZ 🔶 Binance (@cz_binance) December 2, 2022
Ankr protocol also confirmed the hack by posting an alert message on its Twitter account.
“Our aBNB token has been hacked and we are currently working with exchanges to halt trading immediately.
All underlying Ankr Staking assets are safe at this time, and all infrastructure services are unaffected.
More instructions from the Ankr team:
1. Don’t sell
2. Withdraw liquidity from DEXs if you are a liquidity provider (and keep aBNBc)
3. Finish the snapshot and wait for more news
4. We will re-issue aBNBc tokens
More details:
We contacted the DEXs and told them to block trading. We will re-issue tokens in the future after assessing the situation.
We are now making a plan and we promise to compensate the affected users. »
Our aBNB token has been exploited, and we are currently working with exchanges to stop trading immediately.
— Ankr (@ankr) December 2, 2022
To launder stolen crypto funds, cybercriminals use various platforms such as decentralized crypto exchanges Uniswap or Tornado Cash to convert stolen tokens worth several million dollars.
After the computer hacking announcement, the aBNBc price collapses by 99%.
” We are committed to compensating affected users”says the Ankr Protocol team, so make sure to compensate the people who are victims of this hacker.
In total, the hacker was able to steal the equivalent of 20 million dollars in various tokens.
The hacker borrowed $16 million in stablecoins HAY with only $87,000 in aBNBc collateral because the oracle system used by Helio Money failed to update aBNBc’s price in time after its crash.
A case that of course remembers last October hack which allowed a hacker to steal about 100 million dollars in BNB tokens through the BSC Token Hub protocol that also works with the BNB Chain.
An investigation that is currently underway will try to determine who the hacker is, how he achieved his goals, the priority is to freeze the funds he stole first so that he does not launder them.
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