As Bitcoin’s price fell by up to 30 percent, its partisans went on Clubhouse and Twitter to offer reassurances and advice to “go outside, go exercise—just don’t follow the swings.”

Countries are launching digital currencies to rival Bitcoin—and opening up new ways to snoop on their citizens in the process.

A widely used cryptocurrency can’t escape investigation and controversy—and it may be fueling another coin bubble.

MicroStrategy CEO Michael Saylor has invested billions in Bitcoin. Can we trust him—or the cryptocurrency’s skyrocketing value?