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2. Digital currency - Wikipedia

   en.wikipedia.org/wiki/Digital_currency

   Digital currency is any money managed, stored or exchanged on digital systems, such as cryptocurrency, virtual currency and central bank digital currency. Learn about the origins, properties and sub-types of digital currencies, and how they differ from traditional fiat money.

3. Coin: Is This All-in-One Credit Card Gizmo Right for ... - AOL

   www.aol.com/news/2013-11-18-coin-credit-card...

   The app can hold an unlimited number of gift cards, credit cards, debit cards, loyalty cards and membership cards, but the physical Coin can only hold up to eight cards at once. A Coin will cost ...

4. 13 Best Places To Turn Coins Into Cash for Free - AOL

   www.aol.com/where-cash-coins-free-214605501.html

   Digital wallet: Digital wallets from Apple, Google, Samsung, Amazon, Walmart and others let you pay for purchases using your smartphone. For added convenience, your digital wallet can also store ...

5. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   Mobile payment, also known as mobile money, is a payment service performed from or via a mobile device. Learn about the different models of mobile payment, such as bank-centric, operator-centric, collaborative and independent service provider, and some notable mobile wallets and payment apps.

6. Cashless society - Wikipedia

   en.wikipedia.org/wiki/Cashless_society

   Learn about the concept and history of a cashless society, where financial transactions are conducted with digital information instead of physical banknotes or coins. Compare the share of payments done by cashless methods across different countries and regions, and see how the amount of cash in circulation has changed over time.

7. Digital card - Wikipedia

   en.wikipedia.org/wiki/Digital_card

   A digital card is a physical or virtual item that stores data or content for various purposes, such as identity, payment or transit. Learn about the origin and evolution of magnetic stripe cards, the first type of digital card, and the current alternatives and innovations.

8. How One Man Earned 4 Million Airline Miles by Buying Dollar Coins

   www.aol.com/news/2013-02-28-credit-card-reward...

   The Presidential $1 Coin Act of 2005 sought to put dollar coins into circulation by allowing citizens to buy the coins directly from the Mint's website at face value. Shipping was free, and the ...

9. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   Cryptocurrency is a digital currency that works as a medium of exchange through a computer network without a central authority. Learn about the origin, evolution, and classification of cryptocurrencies, such as Bitcoin, Ethereum, and others.