The UK-based Lykke crypto exchange suffered an exploit that saw more than $23.6 million stolen from the platform. The platform shut down trading two days later, and some customers reported seeing balances of 0 in their accounts.The theft was first noticed by outside researchers, who saw the suspicious outflows and accused the platform of not communicating the security breach to its customers. The following day, Lykke acknowledged the attack and informed customers via email.

Total loss estimated at $2,360,000.