IANAL but I don't think there's a need for O-1 evidence to be from a specific country. The evidence just needs to credibly show that you're extraordinary.
You can try https://o1pathways.com/ to evaluate your profile.
You can try https://o1pathways.com/ to evaluate your profile.
Is it possible to build a successful o1 case for a founder, who's been digital nomading for years and can't build his case based on achievements from one specific country? Any tips?