Frank Richard Ahlgren III, a Texas resident, was sentenced to two years in prison and ordered to pay $1,095,031 in restitution for tax fraud linked to $4 million in Bitcoin sales. This marks the first cryptocurrency-only tax fraud case in U.S. history. Ahlgren used multiple wallets, face-to-face transactions, and mixers like CoinJoin and Wasabi Wallet to obscure fund movements. His attempts to evade taxes led to his conviction, highlighting increased scrutiny of crypto transactions by authorities.
Source: https://coinpedia.org/crypto-live-news/texas-man-sentenced-to-2-years-for-4m-bitcoin-tax-fraud-a-landmark-case/