This after Bitcoin had crashed to $30,000 some days ago before the current climb.
Bitcoin
The flagship cryptocurrency, Bitcoin has climbed above $40,000 on Wednesday.
This is after it had crashed below $30,000 some days ago.
Bitcoin was last up 1.7 per cent at $40,149 while rival cryptocurrency ether rose 1 per cent to $2,328.
Bitcoin is within a whisker of rising through its 100-day moving average.
The cryptocurrency was invented in 2008 by an unknown person or group of people using the name Satoshi Nakamoto.