What are bits for?

Question

Those purple cubes you get per lesson, are they useful for anything else than refilling hearts?

Answer 1

nimo
You can also use them to access Pro code exercises, & I believe the Code Repos.

I believe there are a number of test variants about, as not everybody is getting access to the same version of Sololearn.

So the details of your version will remain a mystery to some/most of us

Answer 2

That's not helpful at all...