The bill, one of the world’s strictest policies against cryptocurrencies, would criminalise possession, issuance, mining, trading and transferring crypto-assets, said the official, who has direct knowledge of the plan.
A $1.5 billion bitcoin bet last month by Tesla Inc saw Elon Musk's electric car company join business software firm MicroStrategy Inc and Twitter boss Jack Dorsey's payments company Square Inc in swapping some traditional cash reserves for the digital coin.
Amid rising customer demand to own and invest in bitcoin, Goldman Sachs Group Inc. said this week that it is exploring how to serve those clients while remaining on the right side of regulation.
Bitcoin fell as much as 5.6% to $45,914 in Asian trading hours, after having posting a record high of $49,714.66 on Sunday. Rival crypto ethereum slid more than 8%, though both later pared some of those losses.