Cryptocurrencies like Bitcoin have lost over half their value so far in 2018, and more than that since late 2017. These virtual currencies have crashed before, but this time they seem in no hurry to gain back lost ground, largely because recent evidence has revealed problems with the new technology.
In one recent study, a team of academic researchers said that market manipulation might have been behind Bitcoin’s steep increase in value in 2017. And a recent report by the New York attorney general’s office found substantial risk that consumers who invested in cryptocurrency could lose access to it, either temporarily