Payment Processing is a financial transaction method that involves the exchange of funds from a customer to a business in exchange for goods or services. Coursera's Payment Processing skill catalogue teaches you about the various methods of processing payments, including credit and debit card transactions, mobile payments, and digital wallets. You'll learn about the technical aspects of payment gateways, the role of acquiring and issuing banks, the importance of PCI DSS compliance, and the impact of emerging technologies in the payment industry. This knowledge will equip you to handle financial transactions in a secure, efficient, and customer-friendly manner, whether you're an entrepreneur, a financial professional, or someone interested in the fintech industry.