In this week's headline, we've weighed up the pros and cons of using cryptocurrencies and what this means for people in El Salvador. Here's a reminder of some of the arguments.
So, what do you think?
You can also find out more about Bitcoin and other cryptocurrencies in this Newsround article.
Are cryptocurrencies a good thing, a bad thing, in the middle and why?
See if you can explain your point of view and include some original arguments of your own.