Limited to dealing in this kind of trade on the company and a number of suppliers and customers adult, by means of a code (called electronic transactions documented "Set" has been developed by the two companies credit cards VISA and MasterCard, These transactions included information privacy and prevent any manipulation) and addresses on the Internet a private company not made public. The proportion of this type nearly 85% of the total volume of e-commerce. The encryption method helps to achieve the following advantages :
- The privacy and confidentiality of information.
- Health any message to make sure there were no changes during the message traffic .
- Emphasis on the responsibility of the buyer and seller to contract. - Compatibility in the conduct of the process so that the buyer and seller can establish this process without hindrance caused by the different software used on both sides.