Delve into the critical components of modern e-commerce, from the power-packed shopping cart platforms like Shopify, Magento, and WooCommerce to the essentials of seamless online transactions provided by payment gateways such as PayPal, Stripe, and Authorize.Net. This chapter also underscores the paramount importance of fraud detection and prevention, highlighting cutting-edge strategies like machine learning algorithms and multi-factor authentication. Equip your e-business with the right technological choices to drive growth, enhance customer experience, and ensure a secure shopping environment.