Users download a mobile application developed by the Payween team to their phones and complete registration. After this process is completed, they send or receive friend requests in a new format, which we define as "Between", both from their contacts and to other Payween users they know, just like a social media user. This "Between" process, which is seen as a friend request or transfer, is a security protocol applied to prevent unforeseen and malicious user abuses of our system, which we will explain in detail below.