Bitcoin

Tesla aggressively embraced Bitcoin in 2021, investing $1.5 billion in the currency. But it now says its profitability was affected by "Bitcoin impairment."

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.

Fidelity said it has signed up one employer that will add the offering to its plan later this year. The U.S. government has warned the industry to exercise extreme care when offering cryptocurrencies.

After making the cryptocurrency legal tender, President Nayib Bukele plans to launch bitcoin-backed bonds to raise $1 billion for the country.

Advocates of Bitcoin, including President Nayib Bukele, say the policy that took effect Tuesday was historic. But the rollout was marred by technical glitches and some political opposition.

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

If you're planning a multi-million dollar ransomware attack, there's really only one way to collect - with cryptocurrency. It's fast. It's easy. Best of all, it's largely anonymous and hard to trace.

The Justice Department says it has seized bitcoins worth millions of dollars that were part of what Colonial Pipeline paid to get control of its systems back from hackers.

Weeks after setting a record high, the price for Bitcoin has fallen dramatically along with other cryptocurrencies over factors ranging from inflation to, yes, Elon Musk.

Tesla's CEO explained on Twitter that the reversal on accepting Bitcoin was prompted by concerns about the "rapidly increasing use of fossil fuels" to mine the cryptocurrency.