You wrote. "NUPay will start with the launch of NUPay, our all-in-one payment platform, in Korea at an early stage, and then spread to other parts of the world,". What kind of Korea are we talking about? South or North?
I have not yet met any projects that would have jurisdiction in North Korea. I think it is forbidden there and they have no access to the global network.
The NUPay project is located in South Korea and it is good. There is a huge and developed crypto community