This feature is amazing because it serves as a security to both the provider and the user or seller and the buyer, and it defeats the fraudulent acts attempt by some individuals who want to take advantage of something for their own benefit. By the mean of KYC or know your customer if a problem occurs positive or negative reason you can easily contact or track the user via the information he had given in the KYC but this information should only be private and only be seen by the authorized persons involved for security purposes.