Madoff investment scandal Madoff investment scandal The Madoff investment scandal was a major case of stock and securities fraud discovered in late 2008. In December of that year, Bernard Madoff, the former NASDAQ Chairman and founder of the Wall Street firm Bernard L. Madoff Investment Securities LLC, admitted that the wealth management arm of his business was an elaborate Ponzi scheme. Madoff founded the Wall Street firm Bernard L. Madoff Investment Securities LLC in 1960, and was its chairman until his arrest. The firm employed Madoff's brother Peter as senior managing director and chief compliance officer, Peter's daughter Shana Madoff as rules and
Matrix scheme Matrix scheme A matrix scheme (also known as a matrix sale or site, and as a hellevator, escavator or ladder scheme) is a business model involving the exchange of money for a certain product with a side bonus of being added to a waiting list for a product of greater value than the amount given. Matrix schemes are also sometimes considered similar to Ponzi or pyramid schemes. They have been called "unsustainable" by the United Kingdom's Office of Fair Trading. A matrix scheme is also an example of an 'exploding queue' in queueing theory. The first known matrix scheme is