👉 PayPal's computing infrastructure is a sophisticated network designed to process and secure online transactions efficiently. It involves multiple layers of servers, data centers, and security protocols spread across the globe to ensure fast, reliable, and secure transactions. PayPal uses advanced technologies like encryption, multi-factor authentication, and machine learning algorithms to protect user data and prevent fraud. The system handles millions of transactions daily, balancing the need for speed with stringent security measures to maintain trust and integrity in online commerce.