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

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.

The automaker and the cryptocurrency have a lot in common: Soaring values, idealistic fans and plenty of skeptics. Now Tesla is investing in Bitcoin and plans to accept it for car purchases, too.