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Bitcoin tumbles after record highs The cryptocurrency lost almost one-fifth of its value from a peak hit just three days earlier
Bitcoin fell more than 10 per cent on Wednesday to a one-week low of US$15,800 at cryptocurrency exchange Bitstamp, losing almost one-fifth of its value from a peak hit just three days ago.
The digital currency has been sliding since it reached a record high of US$19,666 on Sunday, when the exchange giant CME Group launched bitcoin futures, one week after its rival Cboe Global Markets listed the world's first bitcoin futures.
"The listing of two bitcoin futures makes it easier for institutional players to trade bitcoins. Futures also enable players to go short on bitcoins