This after Bitcoin had crashed to $30,000 some days ago before the current climb.

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.