In this part of the article, we will talk about the criteria and factors that must be taken into account when dealing with electronic portals as follows: Check whether transactions are encrypted or not? Before dealing with an online payment gateway, you must first ensure that it is dealing with the point-to-point encryption system or what it claims to be binary authentication. This process maintains the communication process between the two parts of the process without being compromised by another user, or accessed by a third party without the knowledge of the owner.