approaches to design of database, which one? - Stack Overflow
Design a payment wallet - Mastering Software Design Interviews
bp-wallet-grpc-spring | Based on Google RPC and Protocol Buffer - a multi threaded Asynchronous Application that Allows Deposit, Withdrawal and Get Balance for the users.Project consists of a Wallet server and Wallet
Wallet — hyperledger-fabricdocs main documentation
backup - Mobile finance service transaction table design - Database Administrators Stack Exchange
Database Schema Design Guide: Examples & Best Practices | Integrate.io