4. The person answerable for payment pays the bill using bank card, paypal seller fees or bank transfer. 4 Airport Security Statement Credit. PCI means Payment Card Industry, which is a must-have for every e-commerce business proprietor who deals with hundreds of orders and credit card transactions. When you've got come to this article, you could also be an e-commerce enterprise proprietor or somebody who is thinking of beginning an e-commerce web site. With the evolving digital world and frequent use of advanced applied sciences, it is excessive time for each e-commerce business owner to provide attention to data security to protect customer data on this aggressive world. Event-Driven Architecture: Use event queues (like Kafka) to course of high volumes of knowledge asynchronously.