How Functional Testing Helps Prevent Failures in Critical Banking Transactions

Matthewallen10 Nov, 2025Technology

Imagine you try to transfer money using your banking app. You enter the amount, select the account, tap Pay, but nothing happens. No error message. No confirmation. You don’t even know whether the transaction went through. This isn’t hacking or a security failure. This is a functional problem: the app didn’t behave as it was supposed to. Functional testing prevents these failures by verifying that every button, form, screen, and backend process in the transaction flow works from start to finish.