Ubcoin will allow Ubank users to spend their fund in your OWN marketplace, pretty good. I dont want to say that you are greedy but i'm not sure the idea is interesting enough, I need to do research about this project. anyway, good luck!
Of course, it is worthwhile to check absolutely everything that is connected with the project and the platform that the team is developing. But I see a lot of good reviews from users here, so I have almost no doubts about this project. Especially the team invited a large number of users during football in Moscow.