The bitcoin rate is declining, breaking through the threshold of $4,000, and is preparing to drop to $3,000, but analysts do not despair The exchange rate of the most popular cryptocurrency, bitcoin, was fixed at $3,809 as of December 6. A year ago, it cost more than $14,000, and at its peak in December last year, the rate was approaching $20,000. But over the past month, the price of bitcoin has been constantly falling.