The rise has been attributed to increased investor interest around the U.S. Thanksgiving holiday and Black Friday shopping.

"The move appears to be retail driven," said Brian Kelly, a CNBC contributor and CEO of BKCM, which runs a digital assets strategy.

The largest US bitcoin exchange, Coinbase, added about 100,000 accounts before the weekend — to a total of 13.1 million, according to public data available on its website.

MORE TO FOLLOW