…made Bitcoin a legal currency within their jurisdictions and also mandated all payment and financial institutions to make Bitcoin a payment option within the agencies.
Bitcoin is already that right now. Legal or illegal varies, but you can pay with it anywhere in the world if someone on the other side sees Bitcoin as valuable. And that's what you needs. 2 people who see Bitcoin as valuable and want to buy or sell value with it. That's why it doesn't really matter if it's legal everywhere.