Bitcoin up 6.1% to $21,792; Ether climbs 5.21%

Bitcoin rose 6.06% to $21,792.16 on Thursday, adding $1,244.71 to its previous closing price.

Bitcoin, the world’s largest and best-known cryptocurrency, is up 23.9% from the year’s low of $17,592.78 reached on June 18.

Ether, the coin linked to the ethereum blockchain network, climbed 5.21% to $1,247.79 on Thursday, adding $61.78 to its previous close.