Why 1000 != 1000 in Payments

Money is deceptively simple. You have an amount, you have a currency. How hard can it be? Turns out — very. A tiny mistake in how you represent a number can silently drain a business, trigger fraud alerts, or accidentally charge customers ten times what they owe. This post is about the money framework built into Prism — a payment library — and how it gets this right. Why Amount Is Harder Than It Looks When you're building a payment system that talks to dozens of different payment processors, you