The first time I came into contact with BTC, I felt that there was little difference between e-payment and BTC. However, with the gradual understanding, e-payment and BTC are becoming more and more different.
In essence, electronic payment is the circulation of legal currency in one or some countries, while BTC is the circulation all over the world（ If every country agrees)
No country has to agree. It is a decentralized currency. Anyone can use it. No country in the world can put a ban on bitcoin or most other crypto currencies. This is why decentralization is important. If it was some shitty centralized coins, it could be taken down easily.
Even if the country doesn't "agree" with bitcoin, you can still use it. No one can stop you. As long as you are not involved with fiat currency (more like sell crypto for fiat), then your government won't know that you are using bitcoin.