From a potential tether probe to Amazon planning to hire a digital currency lead, here are six key things that happened in crypto this week.

Bitcoin surged 12% on Sunday topping $39,000 for the first time since mid-June as sentiment turned bullish following a recent sell-off.

Dozens of cities and counties and the state of California are experimenting with giving some low-income residents a guaranteed income of $500 to $1,000 each month to do w...