← All articles
Education·20 January 2026·4 min read

Money laundering — how dirty money is "cleaned"

Money obtained illegally must be made to look legal. How it works and why banks hunt it.

Money laundering — how dirty money is "cleaned"
Image: domeniu public · Wikimedia Commons

Money laundering means making illegally obtained money look legally earned — running it through companies, accounts and complicated transactions, so its trail is lost.

Why the bank asks you

That's why banks ask for documents about the source of money (KYC) and report suspicious transactions. It seems like bureaucracy, but it's a defense of the whole system against crime. Kosron Bank also simulates these checks, for education.