Charles Ponzi promised to double your money in just 90 days. Many people did get their money. Read this story to find out how.

Describes the many variations of this scam.

Describes the history and workings of this scam.

Explanations, warnings and links to related articles published by U.S. government agencies.

Article compares the internet stock boom with a Ponzi scheme.

A speech by Debra A. Valentine, General Counsel For The U.S. Federal Trade Commission. Describes these schemes, how they can cause financial ruin for governments and banks, and how governments have cracked down on internet "get rich quick" schemes.

International organization to expose, study and prevent illegal pyramid schemes. Site includes news, alerts, resources, legal information and consumer information.

Defines these fraudulent systems of making money which require an endless stream of recruits for success.

Collects and discusses information on matrix sites and other scams.

Describes how con artists today are using the Internet to reinvent the Ponzi scheme. From Smithsonian Magazine, Vol 29 number 9.