In November 2023, the crypto market experienced its worst month in terms of exploits, with criminals stealing assets worth hundreds of millions of dollars. According to blockchain security firm CertiK, bad actors stole approximately $363 million across more than 14 incidents. Exploits alone accounted for $316.4 million in losses. The largest exploit was the theft of over $131 million from the hot wallets of U.S.-based crypto exchange Poloniex. The hacker managed to steal more than 175 different tokens with valuations exceeding $10,000. Other major exploits included a security breach on crypto exchange HTX, resulting in a loss of $30 million, and a breach on the cross-chain Heco Bridge, leading to a loss of $86.6 million. Additionally, flash loan attacks caused $45.5 million in losses, with the decentralized finance platform Kyber Network being hacked for roughly $45 million. Exit scams resulted in fewer losses, with market participants losing approximately $1.1 million to criminals. Overall, the crypto market has lost over $1.7 billion to hackers and scammers in 2023. November’s loss of $363 million surpasses that of September, making it the most damaging month this year. Exploits have led to $1.2 billion in losses on a year-to-date basis, while flash loan attacks and exit scams have caused losses of $309 million and $146 million, respectively. The industry is still uncertain about the losses that will occur in Q4.