In August, the U.S. Treasury’s Office of Foreign Assets Control (OFAC) sanctioned the cryptocurrency platform Tornado Cash, a virtual currency “mixer” designed to make it harder to trace cryptocurrency transactions—and a worldwide favorite money-laundering platform. Americans are now forbidden from using it. According to the U.S. government, Tornado Cash was sanctioned because it allegedly laundered ...

Last October, the Biden administration unleashed one of its biggest countermeasures to date against China’s military ambitions: export controls on, among other things, cutting-edge semiconductors used for AI systems. The new rule restricts not just U.S. companies but any manufacturer that uses specified U.S. software or technology to build their products. As Kevin Wolf, who ...