The Taiwanese cryptocurrency exchange BitoPro disclosed that they had suffered a theft from one of their hot wallets, which they said occurred during a system upgrade in which they were transferring assets between wallets.<p>The theft was originally noticed by crypto sleuth zachxbt, who observed a suspicious transfer of around $11.5&nbsp;million in crypto assets on May 8. The funds sold on decentralized exchanges and then laundered through various cryptocurrency mixing services.</p><p>BitoPro originally only told customers that the platform was offline for "maintenance", but disclosed the theft on June 2 after zachxbt published his findings.</p> 