(Bloomberg) -- In 2019, former President Donald Trump proclaimed he was not a fan of cryptocurrencies because their values are based on “thin air” and they can facilitate drug trafficking and other crimes.Most Read from BloombergBlackRock Says Gunman From Trump Rally Appeared in Firm’s AdTrump Shooting Changes Biden’s Plan to Revive 2024 CampaignAmazon Sold a Used Diaper. It Tanked a Mom-and-Pop BusinessFrom Elon Musk to David Sacks, Silicon Valley’s Trump Backers Cheer Vance as VP PickXi Jinpin