Event Registration Payment Integration

I need a payment system integrated into my event registration application form. The payment method should be via PayPal, and I require email verification for user authentication.

Key Requirements:
- Integrate PayPal payment gateway
- Set up email verification for user authentication
- Ensure a smooth and secure transaction process

Ideal Skills and Experience:
- Experience with payment gateway integration, specifically PayPal
- Familiarity with setting up email verification systems
- Strong background in secure transaction processes