### Q1: What is the primary purpose of the HTTP protocol in web communication?  
### Q2: How does HTTPS improve the security of data transmission in financial applications compared to HTTP?  
### Q3: What are the implications of using encryption in HTTPS for user trust in fintech applications?  
### Q4: Can you explain a real-world scenario where an API facilitates interaction between two different software applications?  
### Q5: How do APIs improve the efficiency of data exchange in finance, and what are the benefits for end users?  
### Q6: In what ways do public and private APIs differ, and why is this differentiation important for financial services?  
### Q7: Which HTTP method would you use to create a new loan application in a banking app, and what does this method do?  
### Q8: When updating your personal information in a banking application, which HTTP method is appropriate and why?  
### Q9: How would you use the DELETE method in a financial app, and what are the consequences of this action?