What is the name of the site below?

Question

Web development

Imagine a site where the owner of a store registers on the site, for this he needs to attach a document proving that he is the owner of the store (by the way, what kind of document is this?). After verification and successful registration, he can add a description to his account (aka an online store) and expose goods, and buyers find his goods among others and buy. And no, this is not a bulletin board.
An example of such a site: alif.shop

Answer 1

marketplace

Answer 2

Wildberries