[Ekaros]

Translate the payments to some abstract credits with consistent rate across currencies. Then just forex the money received to euros or dollars or what ever your local currency is.

Actually, there is already a massive platform that does this sort of thing with what really are microtransactions too and even in local currencies, namely Steam.

[orf]

Yep, and I bet that’s non trivial and takes a lot of resources to maintain. Selling games is also their core business.

Seems like a cryptocurrency fits nicely into “abstract credits with a consistent rate across currencies”.