Best-known cryptocurrency Bitcoin rises 7.1% to $55,163

NEW YORK (Reuters) - Bitcoin rose 7.11% to $55,162.92 at 20:01 GMT on Wednesday, adding $3,661.73 to its previous close.

Bitcoin , the world's biggest and best-known cryptocurrency, is up 98.9% from the year's low of $27,734 on Jan. 4.

Ether , the coin linked to the ethereum blockchain network, rose 2.15% to $3,591.72 on Wednesday, adding $75.63 to its previous close.