FINTECH ENGINEERING HANDBOOK

Summary from the TLDR newsletter

This handbook describes the most important patterns used in software engineering when money is the primary focus of the system. It aims to provide a comprehensive understanding for people entering fintech, those already in it, and those outside the industry. The guide follows three principles: no invented data, no lost data, and no trust. Money can't be created out of nowhere, everything that happens to money has to be tracked and persisted, and everything must be verified.