We looked at cryptocurrency very closely. Basically, money laundering laws and slow adoption of crypto among businesses make it really hard to get adoption among clients: https://www.moonlightwork.com/blog/cryptocurrency-and-compan...

I have a moral opposition to Paypal after using it personally, but we are looking at solutions such as Payoneer to expand country support!

It's worth pointing out that you can incorporate in Estonia or the USA (e.g. through Stripe Atlas) to get access to Stripe.