Business

'Unintentional gift': US steps into China's bitcoin breach

The long sheds at North America's largest bitcoin mine look endless in the Texas sun, packed with the type of machines that have helped the United States to become the new global hub for the digital currency.

Security

Nations vow to combat ransomware at US-led summit

Over two dozen nations resolved Thursday to battle collectively against the global and escalating threat posed by cyber-extortionists, following a Washington-led anti-ransomware summit.