Entrepreneurs who create bitcoin have long flourished in the nation, despite an uneasy relationship with the central government. A recent warning of a crackdown highlights the cryptocurrency’s tenuous status in China, and might send some crypto miners to the West.81

Business & Finance

Heard on the Street

United’s plane purchase from Boom Technology raises hopes of a return to supersonic travel, but the Concorde failed for a reason: People don’t really want to pay much to fly faster.




The state’s definition of illegal military-style rifles unlawfully deprives law-abiding Californians of weapons commonly allowed in most other states and by the U.S. Supreme Court, a U.S. District judge said.

Life & Arts

Five books that illuminate the experience of D-Day, new fiction from Rivka Galchen, myth versus history at the Alamo, the Roman art of political humor and more.


How Apple’s iPhone and Apps Trap You in a Walled Garden


What United’s Boom Supersonic Jets Might Look Like


Chips Are Difficult to Make, Even Harder During a Supply Crunch