It's perfectly rational to believe that today's totally irrational prices will continue.
QuadrigaCX, a Canadian cryptocurrency exchange, has left nearly 115,000 people in financial limbo
Cryptocurrencies take enormous amounts of energy to produce.
Cryptocurrencies have been characterised by extreme volatility of value.
Bitcoins and other digital currencies are viewed as a commodity, where any gains or losses could be taxable income or capital for the taxpayer.
Some individuals believe that they can keep their money by making some of it "disappear," or claiming they have or earn less than they really do.
Regulatory pressure is "shaking out a lot of investors," an analyst said.
The policy targets financial services "frequently associated with misleading or deceptive promotional practice."
He was the first rapper to accept the cryptocurrency for his 2014 album, "Animal Ambition."
The local price of bitcoin plunged as much as 21 percent in midday trade.