Okg Technology Holdings Ltd, an affiliate of crypto exchange OK Coin, fell 4.26% and Huobi Tech, an affiliate of crypto exchange operator Huobi, lost 1.23% .
Singapore shares, however, climbed 0.7% after suffering their sharpest fall in 11 months on Friday. The city-state has now closed schools to combat the resurgence of COVID-19 cases.
Tesla had already hammered the digital currency last week when it said it will halt transactions in the cryptocurrency because of environmental concerns.
Euro-dollar trades were softer after the European Central Bank kept its massive pandemic-fighting stimulus package in place at a Thursday meeting, as the continent's ailing economies face slow coronavirus recoveries.
Elsewhere, JPMorgan Chase gained 1.6 percent after Chief Executive Jamie Dimon predicted the US economy would see a "likely boom," potentially through 2023, following a flood of fiscal support.
In Tokyo trading, market heavyweight SoftBank Group jumped 1.73 percent to 10,530 yen while Uniqlo casual wear operator Fast Retailing gained 0.14 percent to 104,900 yen.
On Wall Street, the Dow ended flat at 31,494.32 while the broad-based S&P 500 ended down 0.2 percent and the tech-rich Nasdaq index finished up 0.1 percent.