A man walks past the Bitcoin ATMs in Hong Kong, Thursday, Dec. 21, 2017. Bitcoin is the world's most popular virtual currency. Such currencies are not tied to a bank or government and allow users to spend money anonymously. They are basically lines of computer code that are digitally signed each time they are traded. (AP Photo/Kin Cheung)
The great cryptocurrency crash of 2018 may not be over
- Cryptocurrencies have become mired in a nearly $700 billion rout that shows few signs of abating
A man walks past the Bitcoin ATMs in Hong Kong, Thursday, Dec. 21, 2017. Bitcoin is the world's most popular virtual currency. Such currencies are not tied to a bank or government and allow users to spend money anonymously. They are basically lines of computer code that are digitally signed each time they are traded. (AP Photo/Kin Cheung)