Hamza Doost is 6-foot-3, with a chubby, bearded face, black hair, and an ankle monitor. For the past year, the 21-year-old has been confined to his father’s home in Hayward, an East Bay suburb. He’s allowed a computer, but the government tracks every keystroke.
Curiously — given the circumstances — he’s allowed one cryptocurrency account.
Not long ago, he sat for a photo wearing a cheerful Hawaiian print shirt, surrounded by gleeful friends aboard a luxurious private jet…