At Mar-a-Lago, ‘Uncle’ Elon Musk Puts His Imprint on the Trump Transition He’s on the patio. He’s on the golf course. Everywhere President-elect Trump looks, there is the world’s richest ...

Ever received a paper token from your next-door paan shop in lieu of a small change, which he would accept the next time you visit him? Imagine that token digitally, and that's your cryptocurrency.