PBPaul Babatuyiinfreecodecamp.org·Mar 25 · 22 min readHow to Build a Bank Ledger in Golang with PostgreSQL using the Double-Entry Accounting Principle.The Hidden Bugs in How Most Developers Store Money Imagine you're building the backend for a million-dollar fintech app. You store each user's balance as a single number in the database. It feels simp00
