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  2. Coin pusher - Wikipedia

    en.wikipedia.org/wiki/Coin_pusher

    Unique to this machine, a model train travels in a loop at the top of the machine, and when the player achieves a jackpot the model train dumps coins onto their playfield. A coin pusher, or a penny pusher is a type of arcade game with the objective of winning prizes in the form of coins or other items. Prizes are won when they are dislodged ...

  3. Red box (phreaking) - Wikipedia

    en.wikipedia.org/wiki/Red_box_(phreaking)

    Red box (phreaking) A red box is a phreaking device that generates tones to simulate inserting coins in pay phones, thus fooling the system into completing free calls. In the United States, a nickel is represented by one tone, a dime by two, and a quarter by a set of five. Any device capable of playing back recorded sounds can potentially be ...

  4. Hacksilver - Wikipedia

    en.wikipedia.org/wiki/Hacksilver

    Hacksilver. The mixed Viking Cuerdale Hoard, deposited in England before c. 910, also contains 8,600 coins, as well as these ingots and pieces of jewellery and plate. Hacksilver from the medieval period, Museum für Hamburgische Geschichte, Hamburg, Germany. Viking age settlement, eighth to eleventh centuries; trade and raid routes are marked ...

  5. Change-making problem - Wikipedia

    en.wikipedia.org/wiki/Change-making_problem

    Change-making problem. The change-making problem addresses the question of finding the minimum number of coins (of certain denominations) that add up to a given amount of money. It is a special case of the integer knapsack problem, and has applications wider than just currency. It is also the most common variation of the coin change problem, a ...

  6. 'Very important part of downtown': Peoria proposal would ...

    www.aol.com/very-important-part-downtown-peoria...

    The city of Peoria could be funneling more money toward renovations at Dozer Park.. The Peoria City Council plans to review a proposal to raise Dozer Park's tax increment by 5% in order to meet ...

  7. Dogecoin - Wikipedia

    en.wikipedia.org/wiki/Dogecoin

    Dogecoin (/ ˈdoʊ (d) ʒkɔɪn / DOHJ-koyn or DOHZH-koyn, [2] Abbreviation: DOGE; sign: Ð) is a cryptocurrency created by software engineers Billy Markus and Jackson Palmer, who decided to create a payment system as a joke, making fun of the wild speculation in cryptocurrencies at the time. [3] It is considered both the first "meme coin", and ...

  8. List of most expensive coins - Wikipedia

    en.wikipedia.org/wiki/List_of_most_expensive_coins

    List of most expensive coins Price Year Type Grade Issuing country Provenance Firm Date of sale $18,900,000 1933 1933 double eagle: MS-65 CAC United States: King Farouk of Egypt: Sotheby's [1] June 8, 2021 $12,000,000 1794 Flowing Hair dollar: SP-66 CAC United States Neil, Carter Private sale [2] January 24, 2013 $9,360,000 1787 Brasher ...

  9. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    A cryptocurrency, crypto-currency, or crypto[a] is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. [2] It has, from a financial point of view, grown to be its own asset class.