Family Name: Briexdon
Region (NA/EU): EU  
Suggestions/Comments: add an option to hide currency.  I added favorite currencies in my list, but some currencies I do not use very often and I already have pretty long list with currencies that I already don't use or didn't use at all. I would like to hide them. 

So except favorite currency, we can have  show/hide option. It would be very useful.

There are icons at the top that allow filtering by currency type, and also one that shows only favorites.  Not the same, but that could be  a partial solution.