A colorful history of coins and currency from their very beginnings.

一部图文并茂的钱币史，纵贯古今，精彩纷呈。

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If someone else attempts to counterfeit that currency and pass those COINS, there are sufficient counterfeiting laws on the books to prosecute those counterfeiters.

如果有某个人企图伪造这种货币，并把伪币渗入真币的流通中，那则有足够充分的伪造货币法来起诉这些伪造者。

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If it becomes known that the issuer of a particular currency is minting underweight COINS, people will stop accepting that currency and that company will go out of business.

如果发行某种货币的机构被发现正在铸造低于面值重量的硬币，那人们就会停止接受这种货币，而那家企业也会关门歇业。

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Now with gold over valued, silver coins disappeared from circulation and gold coins (and paper money) dominated the currency.

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SEATTLE--(BUSINESS WIRE)--Feb. 5, 2013-- (NASDAQ: AMZN)-Amazon today announced another new way for app and game developers to make money on Kindle Fire-introducing Amazon Coins-the new virtual currency for purchasing apps, games and in-app items on Kindle Fire.

ENGADGET: Amazon announces Coins, a virtual currency coming to the Kindle Fire in May

Instead of bills and coins, we will spend electronic currency -- call it e-money -- that we zap to merchants from our PCs or carry with us on smart cards.

CNN: Cash -- or E-Money?