Nvidia tells cloud clients to sell at least 51% of services to non-Chinese firms

A material, usually silicon, used to make the chips that process and store information in electronic devices.

Chips power everything from phones to cars, so their supply has become a strategic issue for governments.

A digital currency secured by cryptography and recorded on a blockchain, without a central bank issuing it.

Crypto prices are volatile, and governments are still deciding how to regulate it.