Radiant Capital has fallen to a hack, with more than $51 million stolen across Arbitrum and BNB Chain.
Over $32 million was stolen from Arbitrum, while BNB Chain accounted for about $18 million.
Radiant Capital suffered an exploit on Oct. 16, with hackers siphoning over $51 million from the decentralized finance lender.
On-chain security platform Ancilia first alerted the crypto community to the attack, which impacted the omnichain money market’s Ethereum layer-2 Arbitrum instance and BNB Chain.
“We have noticed several transferFrom user’s account through the contract 0xd50cf00b6e600dd036ba8ef475677d816d6c4281. Please revoke your approval ASAP. It seems like the new implementation had vulnerability functions,” the Palo Alto Networks and Binance Labs-backed platform noted.
Data from blockchain security and on-chain data firm Arkham Intelligence showed details related to the attack.
Stolen funds
According to Ancilia, the exploit appears to have been initiated via a backdoor contract. The attacker drained more than $51 million from the two instances. Stolen funds include wrapped BNB, ETH, USDT and USDC as well as other tokens.
The hacker’s wallet address shows they held $32 million in Arbitrum-based tokens and $18 million in assets on BNB Chain. Most of the assets are in Ether derivatives wstETH and weETH.
Following the exploit, Radiant Capital posted an update indicating the team has enlisted the help of external security providers to investigate the compromise. As well as BNB Chain and Arbitrum, the DeFi platform announced it had halted its markets on Base and mainnet.
The native Radiant Capital token RDNT declined nearly 6% to trade at lows of $0.067.
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