By now you have probably heard of cryptocurrency. Bitcoin is the most famous cryptocurrency out there, and at the time of writing, is worth several tens of thousands of US dollars per Bitcoin. But what even is a cryptocurrency, and why are they worth so much money? Is it the money of the future, or just a hype?

1) Is there a maximum amount of Bitcoin, and why?
2) Why is Bitcoin the most popular cryptocurrency if other cryptocurrencies are faster to mine?
3) Do you think cryptocurrencies are going to replace traditional money? Support your claim.