Glossary term

Money Laundering

Money laundering is the process of disguising illegally obtained money so it appears to come from a legitimate source.

Updated

May 16, 2026

Read time

2 min read

What Is Money Laundering?

Money laundering is the process of disguising illegally obtained money so it appears to come from a legitimate source. The goal is to make criminal proceeds look usable, traceable to ordinary activity, and less connected to the illegal conduct that created them.

Financial institutions, payment companies, insurers, brokerages, real estate firms, and other businesses may have anti-money-laundering duties because criminals often try to move illicit funds through legitimate systems.

Key Takeaways

  • Money laundering hides the source of illegally obtained funds.
  • It can involve banks, shell companies, cash businesses, wire transfers, securities accounts, crypto platforms, real estate, or trade activity.
  • The activity is often discussed in stages: placement, layering, and integration.
  • Anti-money-laundering controls are designed to detect and report suspicious activity.
  • Money laundering risk is a compliance issue, not just a criminal-law concept.

How Money Laundering Works

Money laundering is often described in three broad stages. Placement introduces illegal funds into the financial system. Layering moves the money through transactions meant to obscure the source. Integration makes the funds appear available for normal use.

Real cases do not always follow a neat sequence. Laundering can be simple or complex, domestic or international, cash-based or digital. The common theme is concealment.

Common Money Laundering Red Flags

Red flag

Why it may matter

Transactions with no clear business purpose

May suggest movement for concealment rather than ordinary commerce

Frequent movement among accounts or entities

May indicate layering

Unusual cash activity

May point to placement of illicit funds

Reluctance to provide ownership information

May signal an attempt to hide control

Why Money Laundering Matters

Money laundering can allow fraud, drug trafficking, corruption, tax evasion, terrorism financing, and other crimes to continue. It can also expose financial firms to regulatory penalties, reputational damage, and operational risk.

For consumers and investors, the term often appears when financial institutions ask for identity, source-of-funds, and beneficial-ownership information. Those questions are part of a broader system designed to make the financial system harder to misuse.

The Bottom Line

Money laundering disguises the origin of illegal funds. It matters because clean-looking money can fuel ongoing crime, and because legitimate financial institutions are expected to monitor and report suspicious activity.

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