How is it ensured that all my references are really verifiable?

How is it ensured that all my references are really verifiable?

    There are two methods to prove your placement: You can work with your affiliate ID, which is contained in the link you created, or you leave us a cookie on the visitor’s PC that contains your affiliate ID.┬áIf the visitor purchases the software at a later date, the cookie is detected and the sale is assigned to you.