The process of an online purchase follows a rapid six-step lifecycle: How Online Payment Processing Works | PayPal US
How PayPal Works for Online Purchases: A Technical & Functional Overview how does paypal work when buying online
PayPal functions as a "middleman" between your financial institutions (banks, credit cards) and the seller. The process of an online purchase follows a
Users link multiple payment methods—such as debit cards, credit cards, or bank accounts—to a single PayPal account. a direct bank transfer
Payments can be funded by an existing PayPal balance, a direct bank transfer, or linked cards. 2. The Transaction Lifecycle