Scam

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A **scam** is a kind of fraud. It works by first gaining the trust of the victims, and then either asking them for money, or other things, or asking them to commit fraud. For this reason, scams are also known as **confidence tricks**. Researchers have defined confidence tricks as "a distinctive species of fraudulent conduct ... intending to further voluntary exchanges that are not mutually beneficial", as they "benefit con operators ('con men') at the expense of their victims (the 'marks')".

## History 
The shell game dates back at least to Ancient Greece. William Thompson (1821–1856) was the original "confidence man". Thompson was a clumsy swindler who asked his victims to express confidence in him by giving him money or their watch rather than gaining their confidence in a more nuanced way. A few people trusted Thompson with their money and watches. Thompson was arrested in July 1849. Reporting about this arrest, James Houston, a reporter for the *New York Herald*, publicized Thompson by naming him the "Confidence Man". He notes that some steps may be omitted. It is also possible some can be done in a different order than the one shown or carried out simultaneously.

; Foundation work
: The game must be prepared. This includes hiring of any assistants required and studying the background knowledge needed for the role.
; Approach
: The victim is approached or contacted.
; Build-up
: The victim is given an opportunity to profit from participating in a scheme. The victim's greed is encouraged, such that their rational judgment of the situation might be impaired.
; Pay-off or convincer
: The victim receives a small payout as a demonstration of the scheme's purported effectiveness. This may be a real amount of money or faked in some way (including physically or electronically). In a gambling con, the victim is allowed to win several small bets. In a stock market con, the victim is given fake dividends.
; The "hurrah"
: A sudden manufactured crisis or change of events forces the victim to act or make a decision immediately. This is the point at which the con succeeds or fails. With a financial scam, the con artist may tell the victim that the "window of opportunity" to make a large investment in the scheme is about to suddenly close forever.
; The in-and-in
: A conspirator (in on the con, but assumes the role of an interested bystander) puts an amount of money into the same scheme as the victim, to add an appearance of legitimacy. This can reassure the victim, and give the con man greater control when the deal has been completed.

In addition, some games require a "corroboration" step, particularly those involving a fake, but purportedly "rare item" of "great value". This usually includes the use of an accomplice who plays the part of an uninvolved (initially skeptical) third party, who later confirms the claims made by the con man. The Global Anti Scam Alliance annual Global State of Scam Report, stated that globally $47.8 billion was lost and the number of reported scams increased from 139 million in 2019 to 266 million in 2020.

Government organizations have set up online fraud reporting websites to build awareness about online scams and help victims make reporting of online fraud easier. Examples are in the United States (FBI IC3, Federal Trade Commission), Australia (ScamWatch  ACCC), Singapore (ScamAlert), United Kingdom (ActionFraud), Netherlands (FraudeHelpdesk). In addition, several private, non-profit initiatives have been set up to combat online fraud like AA419 (2004), APWG (2004) and ScamAdviser (2012).

## References 
## Further reading 
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## Other websites 
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*  Confidence tricks in China.
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