Crypto entrepreneur Justin Sun and three of his companies were also charged with crimes related to the promotion and sale of two digital currencies, Tronix (TRX) and BitTorrent (BTT).

Most white-collar defendants lay low, but the ex-CEO of the collapsed cryptocurrency exchange FTX has been talking, tweeting, and sending email newsletters. Those comments could come back to hurt him.

The Biden administration is calling for more oversight as the adoption of cryptocurrencies grows, saying they pose significant risks.

Many first-time investors bought Bitcoin and other cryptocurrencies as they neared all-time highs, and crypto companies spent millions on marketing. Today, they are coping with painful losses.

FTX CEO Sam Bankman-Fried says that, until investors get used to higher interest rates, risk assets, including cryptocurrency, won't recover.

FTX CEO Sam Bankman-Fried says that, until investors get used to higher interest rates, risk assets, including cryptocurrency, won't recover.

Bitcoin and other cryptocurrencies are being caught up in the storm impacting all kinds of markets, including stocks. The plunge in a type of crypto called TerraUSD is raising special concern.

Bitcoin and other cryptocurrencies are being caught up in the storm impacting all kinds of markets, including stocks. The plunge in a type of crypto called TerraUSD is raising special concern.

Cryptocurrencies are money that only exist in the internet. Still, they have to be made by computers somewhere, and the pitch to let that be somewhere close to you can be very persuasive.

As cryptocurrency become more mainstream, some states are introducing legislation to standardize crypto as a form of payment.

In a recent interview with NPR, S.E.C. Chairman Gary Gensler says one of his top priorities is protecting amateur investors as his agency unveils a number of tough new rules and investigations.

Washington policymakers will soon start deciding on new rules for cryptocurrencies, setting up a fight between supporters and critics of the $2.5 trillion market.

A hamster named Mr. Goxx enters one of two tunnels in the his cage, which determines whether he will buy or sell. As of Friday, his portfolio is up nearly 20%, according to his Twitter account.

The country's top market watchdog has promised tougher scrutiny of virtual currencies, but we still don't know what will be unveiled.

Cybercriminals are using sophisticated malware to attack companies' IT systems, and they are demanding ransom payments in digital currencies