ER diagram for e-wallet system

About this ER diagram for an e-wallet system

The e-wallet system ER diagram shows a clear, secure, and effective structure for financial transactions. It uses various types of media. The user entity is the system's core. It stores key details, including user_id, name, email, and phone number.

The payment options are divided into card and bank account sections. The card section includes these details: card_id, card number, type, and expiration dates. The bank account entity includes acc_id, account numbers, bank names, and account types. These entities refer to the wallet entity. They offer a single view for users to track their money.

The design includes traceability and security features. For example, the transaction entity has fields like transid, amount, timestamp, and status. The payment entity gives more details about a transaction. It uses attributes like pay_id, payment method, date, and amount. This helps show specific transaction information.

There is a notification entity for transaction activities. It includes attributes such as notification_id, message, and timestamps for users. The merchant entity manages wallet interactions. It stores merchant_id, category, name, and location. This helps to categorize and report transactions.

The system uses these entities to make digital payments flow smoothly. This includes card transactions, online banking, and bank transfers. All of these have high security standards. It also lets you see live balance updates. You can track your transaction history and get personalized notifications about your money.

Features combine different payment methods and scales for larger user groups. Organizing user, wallet, and transaction relationships improves financial transparency. This also makes the platform user-friendly. This ER diagram is great for e-commerce sites, banking apps, and P2P payment tools. The focus of the system on security and efficiency makes it a viable answer for digital payment needs today.