President Trump’s recent financial disclosure finally put a dollar amount on the web of crypto ventures he’s continued to pursue since returning to office. But the revelation he made $1.4 billion off the fledgling industry has rekindled another mystery about his finances: how much is he paying in taxes? 

The president’s crypto windfall appears to be taxable. One accountant who specializes in cryptocurrency income said it was reasonable to believe Mr. Trump would have to pay at least $250 million on this income. 

Still, multiple tax experts told CBS News that Mr. Trump’s actual bill may be far lower, but it would be hard to know because of the lack of transparency around the corporate entities holding the income. Unlike several past…