Imagine a world where not everyone used the dollar. Then imagine having to support different currencies and ensuring that your price per article stayed in line with currency fluctuations.
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.
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.