why did you give them so much money that you are "really worried" dont be irresponsible, its a new venture , dont put in your life savings ... just a couple of dollars , try it out if it doesnt work then at least its not something to be "really worried" about

I gave them money , they gave me coin , everything worked ... maybe you made them angry and tried to do something illegal on their site so they shut your user down.

I hear they prioritize "good" users in their system.

There is a section where there is the type of account you add, if you add a bank account you get special treatment