4. The individual in command of fee pays the bill using bank card, PayPal or bank switch. Four Airport Security Statement Credit. PCI means Payment Card Industry, which is a must-have for every e-commerce enterprise proprietor who deals with 1000's of orders and credit card transactions. When you have come to this article, you may be an e-commerce business proprietor or someone who's thinking of beginning an e-commerce webpage. With the evolving digital world and frequent use of superior technologies, it is high time for each e-commerce business owner to present attention to information security to guard buyer information in this aggressive world. Event-Driven Architecture: Use event queues (like Kafka) to course of excessive volumes of information asynchronously.