The hundreds of billions of dollars changing hands across derivatives this week eclipsed activity in the cash market, as speculators rushed...

Sathvik Vishwanath and Harish BV, cofounders of a then five-year-old startup, were arrested in late 2018. No, they hadn’t pulled off a shad...

The virtual-currency mania of 2017 has quickly given way to concerns about excessive hype.

The world of e-currency is poised to draw billions of dollars from institutional investors.

The move highlights the challenge faced by regulators as they seek to manage potential risks from the global cryptocurrency mania.

Primo's app lets users skip the checkout line by using their smartphones. A scan of a QR code instantly completes a purchase.