Bitcoin fell on Monday on track for the first loss in three days amid thin trading due to lack of incentives to buy and weak investment demand.
At Bitstamp, Bitcoin fell $17, or 0.3% to $6,395, with an intraday high at $6,429, and a low at $6,388.
Bitcoin rose a marginal 0.2% on Sunday, the second profit in a row.
Last week, Bitcoin advanced 3.5%, the first weekly profit in a month away from recent two-month lows.,
Market value of cryptocurrencies fell a billion dollars on Monday to a total of $208 billion as most cryptocurrencies lost ground.
The Chicago Exchange reported that average daily trading volumes for Bitcoin futures rose 41% in the third quarter from the second, with open contracts increasing by 19%.
However, that's a considerable slowdown in growth from the second quarter's 93% surge in trading volumes.
Otherwise, in remarks to the New York Times, Bank of Japan Deputy Governor Masayoshi Amamiya expressed his skepticism towards the use of cryptocurrencies in an official manner.
Amamiya doubted that global central banks would opt to use virtual currencies as they lack the ability to improve current financial infrastructure, and asserting the BoJ has no plans to issue cryptocurrencies.