What is a Ponzi Scheme?

The most famous Ponzi scheme was created by Bernie Madoff. For approximately 40 years he was able to convince investors that their deposits were generating income from legitimate investments. In fact he was paying investors what they expected to receive by using money deposited from new investors. There was no trading or investing taking place. This is a scheme that can continue as long as there is enough money coming in from new investors to pay what is owed to those who have been in the scheme for longer. When this finally came to an end the losses from investors went into billions of dollars. The main features of a ponzi scheme are;