The bitcoin

1- Watch the video and say what the presenter's position about the bitcoin is.

2- Watch it again and complete these sentences from the video.

a- The bitcoin is a digital currency which aims to........
b- Banks and credit card companies rely on..............
c- Many people have try to work out.......
d- How do you prove that you've paid for something or that ....?
e- Nakamoto proposed that instead of .....
f- As a result, any attempt to ....
g- Within months of this proposal it was used to buy and sell goods, although....
h- While some are profiting from getting involved early, ......
i- As it's designed to have a limited amount ever in circulation.....