According to nearly 90% of respondents in Deutsche Bank's monthly money-manager study.
The cryptocoin hit a record high $40,000 earlier this month, having rallied more than 900% since a low in March and having only just breached $20,000 in mid-December.
Interest in cryptocurrencies skyrocketed this year as investors saw bitcoin as a hedge against inflation and as an alternative to the depreciating dollar.
The 2020, rally has also been driven by increasing expectations it will become a mainstream payment method, with PayPal opening its network to cryptocurrencies.
California-based Coinbase said on its website at 15:41 GMT it had "implemented a fix" to address "congestion issues" on its retail platform Coinbase.com and was monitoring the situation.
Network congestion was also delaying the sending of ethereum - the second biggest cryptocurrency after bitcoin.
The Government of Khyber Pakhtunkhwa (KP) has unanimously passed the resolution to legalize cryptocurrency and crypto mining, according to Zia Ullah Bangash.