Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
A major security breach in the British cryptocurrency exchange Exmo has caused the platform to freeze all withdrawals. Since EXMO has a separate server for each cryptocurrency, the hacking only affected six cryptocurrencies, BTC, XRP, ZEC, USDT, ETC, and ETH, and the affected assets were equivalent to 6% of the company's total assets. According to The Block research analyst Igor Igamberdiev, EXMO seems to have lost $10.5 million in funds. The exchange provided a list of stolen coins and their addresses, and analysis showed that most of the funds had been sent to Poloniex. The lost coins include Bitcoin (BTC), Ethereum (ETH), XRP, Ethereum Classic (ETC), Tether (USDT) and Zcash (ZEC).It was reported on December 25 that the hackers who attacked Exmo had withdrawn $4 million of stolen funds through Poloniex. Attack method (per SlowMist): Wallet Stolen. Reported loss: $ 10,500,000.
- chain
- ethereum
- protocol
- EXMO
- bug_class
- private-key
- date_occurred
- 2020-12-21
- loss_usd
- $10,500,000
- source_id
- sm:exmo::2020-12-21