Bitcoin, which hit a new historic high of $66,976 on Wednesday, fell (1.7% to $64,874). Bitcoin is pulling away from its all-time high, but the momentum for further gains this year appears to be intact.

Bitcoin fell slightly in Asian hours on Thursday, a day after hitting an all-time high on optimism surrounding the launch of the first U.S. bitcoin futures ETF. The world's largest cryptocurrency was last down 1.3% to $65,184 after hitting a record high of $67,016 on Wednesday, but still above a previous high of $64,895 seen in April. Ether, the world's second-largest cryptocurrency, rose 1% to $4,203, with smaller tokens also seeing strong gains. Existing bitcoin funds and exchange-traded products have seen strong capital inflows since September. Average weekly flows to bitcoin funds hit $121.1 million in October, up from $31.2 million a month earlier, according to data from London-based CryptoCompare.