Bitcoin was up 5.23 per cent at $43,716.97 as of 22:08 GMT on Thursday, adding $2,174.07 to its previous close.
The world's biggest and best-known cryptocurrency has gained 57.6 per cent from the year's low of $27,734 on January 4.
Ether, the coin linked to the ethereum blockchain network, rose 5.26 per cent to $3,001.48, adding $150.08 to its previous close.
