There was a screenshot somewhere that had a slime saying "Gimme all ur pixels!" Assuming that this is an official screenshot, then the coin currency might be called pixels. Wait, here it (sort of) is:
Wow, ''Pixels" would be awesome. I would just like to know the official currency so I can give the Mechas I drew a price as if they were for sale. Guess I'll just wait it out!
Hey guys, got a sort of confirmation from Tiy on the IRC <Kiofspa> @Tiy is the currency called Pixels? <Tiy> yes Kiofspa
It would seem so. Well, I actually like the idea! It's somehow convertible to something real, a pixel! Everybody knows how much is a pixel worth! Right?