Yeah, I think you're right.

The people with wealth have already gotten out, before they get classified as "refugees".

Cool concept though. 

Signal312

if 10% of Country A’s population owns crypto, we assumed a similar rate among its refugees

That's a bold assumption and extremely unlikely to hold in practice.  I would imagine that it depends on the correlation between refugee status and socioeconomic status

bitcoin

Bring Only What You Can Carry - Bitcoin’s Role in Refugee Wealth Preservation

Scoresby

> if 10% of Country A’s population owns crypto, we assumed a similar rate among its refugees

That's a bold assumption and extremely unlikely to hold in practice.  I would imagine that it depends on the correlation between refugee status and socioeconomic status 