Nate Chastain, the ex-head of product at NFT platform OpenSea, has been sentenced to three months in prison for profiting tens of thousands of dollars through insider trading of assets showcased on the platform's homepage.
Chastain, formerly responsible for putting prominent NFTs on OpenSea, was found guilty of fraud and money laundering in May.
He could be sentenced to up to 20 years for each offense as he was convicted in a federal court in New York, marking the conclusion of what prosecutors called the inaugural high-profile case of NFT insider trading.
Arrested last June, Chastain earned over $50,000 by trading at least 45 NFTs he knew would be featured on OpenSea's homepage.
According to the DOJ's statement following his arrest, he masked his transactions using anonymous wallets and OpenSea accounts to buy and sell upcoming NFTs.
Chastain's lawyers claimed the case should be dropped because NFTs, distinct digital tokens representing asset ownership like digital art, aren't considered securities, and Chastain used non-confidential information. The judge disagreed, allowing the case to proceed to trial.
However, his actions had already been exposed on CryptoTwitter.
Before being charged, Twitter users had connected "burner" wallets to Chastain, funneling Ethereum from NFT sales back to his primary wallet.
Notably, his main wallet held a CryptoPunk NFT that served as his Twitter profile picture.
At the time, authorities said it was the first-ever insider trading scheme involving digital assets. He's since been ordered to return his ill-gotten gains.
Insider trading involves trading securities using undisclosed information for personal gain, prioritizing profits over responsibilities to one's employer or the public.
Chastain was
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