Nathaniel Chastain, a former product manager at OpenSea, the largest online non-fungible token (NFT) marketplace, has been arrested and charged by the U.S. Department of Justice (DOJ) with NFT insider trading.

It may seem like ancient history now, but back in January the great WallStreetBets short squeeze was all the rage, having sent heavily shorted meme stocks like GME and AMC to unprecedented heights as millions of retail daytraders used their Robinhood account to pile on and buy in wave after seemingly endless wave in the process crushing reputable hedge funds such as Melvin Capital which needed multi-billion capital infusions to avoid being margin called to death.

(Editor's note: This story has been updated to reflect new information. Fed Chair Powell owned the municipal bonds in question in a joint account over which he had control. Due to incorrect information provided by the Federal Reserve, CNBC reported initially that Powell owned the munis in a family trust over which he had no control.)