According to WuSay, SHAKEEB AHMED was sentenced to three years in prison by a U.S. district judge today for hacking into two separate decentralized cryptocurrency exchanges and stealing more than $12 million worth of cryptocurrency. This is the first-ever conviction in the U.S. for hacking smart contracts, and he was ordered to forfeit all stolen cryptocurrency. One of the decentralized exchanges was Nirvana Finance. AHMED exploited a vulnerability he found in Nirvana's smart contract to purchase cryptocurrency from Nirvana at a price lower than the contract design allowed.