Billionaire Giancarlo Devasini of Tether wants to maintain the stablecoin’s freedoms; his rival, Jeremy Allaire of Circle, is ...

He stays in a modest apartment by the lake, strolls the cobbled streets with a black hoodie pulled over his head—and rages about the American rival he believes is trying to kill his business.

The fight is over the future of the $3 trillion crypto industry ... the mainstream through government regulation has opened up a kill-or-be-killed battle among crypto players.