Bitcoin Prices Plunge Below $12,000 After Hitting $19,000 Last Week In less than 24 hours, Bitcoin dropped more than $3000, over a 20 percent decrease. Bitcoin was not the only cryptocurrency to crash, with Ethereum, Bitcoin Cash and Litecoin all dropping upwards of 20 percent as well. It is the cryptocurrency's first major drop since rising over 1,300 percent since the beginning of 2017. Many investment experts have been cautioning people for weeks against buying Bitcoin because they believe it to be a massive bubble.