Bitcoin rose 3.95% to $31,187 at 17:05 GMT on Monday, adding $1,185 to its previous close.
Bitcoin, the world's biggest and best-known cryptocurrency, is up 17.5% from the year's low of $26,533 on October 11.
Ether, the coin linked to the ethereum blockchain network, rose 1.39 % to $1,687.3 on Monday, adding $23.2 to its previous close.
(Reporting by Kanjyik Ghosh in Bengaluru; Editing by Krishna Chandra Eluri)
