White hat finds huge vulnerability in ETH to Arbitrum bridge: Wen max bounty?
A self-described white hat hacker has uncovered a “multi-million dollar vulnerability” in the bridge linking Ethereum and Arbitrum Nitro and received a 400 Ether (ETH) bounty for their find. Known as riptide on Twitter, the hacker described the exploit as the use of an initializing function to set their own bridge address, which would hijack […]
White hat hackers have returned $32.6M worth of tokens to Nomad bridge
Mere hours after the Nomad token bridge published an Ethereum wallet address last week for the return of funds following a $190 million hack, whitehat hackers have since returned approximately $32.6 million worth of funds. The vast majority of funds consisted of stablecoins USD Coin (USDC), Tether (USDT) and Frax, along with altcoins. According to […]
Multichain hacker returns 322 ETH, keeps hefty finders fee
In a dramatic twist, one of this week’s Multichain hackers has returned 322 ETH ($974,000 at the time of writing) to the cross-chain router protocol and one of the affected users. However the hacker kept 62 ETH ($187,000) as a “bug bounty”, and a total of 528 ETH (worth $1.6M) remains outstanding after the exploits. […]
SushiSwap denies reports of billion dollar bug
The developer behind popular decentralized exchange SushiSwap has rejected a purported vulnerability reported by a white-hat hacker snooping through their smart contracts. According to media reports, the hacker claimed to have identified a vulnerability that could place more than $1 billion worth of user funds under threats, stating they went public with the information after […]
Poly Network hacker returns nearly all funds, refuses $500K white hat bounty
The hacker behind a $610 million attack on the cross-chain decentralized finance (DeFi) protocol Poly Network has returned almost all of the stolen funds amid the project saying their actions constituted “white hat behavior.” According to a Thursday update on the attack from Poly Network, all of the $610 million in funds taken in an […]