Bitcoin rose 0.49 per cent to $50,188.4 at 1004 GMT on Sunday, adding $245.24 to its previous close.
The world's biggest and best-known cryptocurrency is up 81 per cent from this year's low of $27,734 on January 4.
Ether, the coin linked to the ethereum blockchain network, rose 1.16 per cent to $3,932.07 on Sunday, adding $44.97 to its previous close.