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  2. Worldcoin - Wikipedia

    en.wikipedia.org/wiki/Worldcoin

    Worldcoin is a for-profit cryptocurrency project that uses iris biometrics developed by San Francisco- and Berlin-based Tools for Humanity.Founded in 2019 by OpenAI chief executive Sam Altman, Max Novendstern, and Alex Blania, it has accumulated $250 million in funding from venture capital firms Andreessen Horowitz and Khosla Ventures, as well as from Reid Hoffman.

  3. Portal:Money - Wikipedia

    en.wikipedia.org/wiki/Portal:Money

    The money supply of a country comprises all currency in circulation (banknotes and coins currently issued) and, depending on the particular definition used, one or more types of bank money (the balances held in checking accounts, savings accounts, and other types of bank accounts).

  4. Initial coin offering - Wikipedia

    en.wikipedia.org/wiki/Initial_Coin_Offering

    An initial coin offering (ICO) or initial currency offering is a type of funding using cryptocurrencies. It is often a form of crowdfunding, although a private ICO which does not seek public investment is also possible. In an ICO, a quantity of cryptocurrency is sold in the form of "tokens" ("coins") to speculators or investors, in exchange for ...

  5. Coin grading - Wikipedia

    en.wikipedia.org/wiki/Coin_grading

    Money portal. v. t. e. Coin grading[1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.

  6. Buy Viagra and Sildenafil Online in 2024 - Healthline

    www.healthline.com/health/mens-health/viagra-online

    The company can also send your order to your local pharmacy for an added fee. If you want to make changes to your order, Roman offers free unlimited follow-ups with its online medical ...

  7. Ancient Greek coinage - Wikipedia

    en.wikipedia.org/wiki/Ancient_Greek_coinage

    Ancient Greek coinage. Archaic coin of Athens with effigy of Athena on the obverse, and olive sprig, owl and ΑΘΕ, initials of "Athens" on the reverse. c. 510 –500/490 BC. The history of ancient Greek coinage can be divided (along with most other Greek art forms) into four periods: the Archaic, the Classical, the Hellenistic and the Roman.

  8. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The last gold coins were minted in 1933. The last 90% silver coins were minted in 1964, and the last 40% silver half dollar was minted in 1970. The United States Mint currently produces circulating coins at the Philadelphia and Denver Mints, and commemorative and proof coins for collectors at the San Francisco and West Point Mints.

  9. Exonumia - Wikipedia

    en.wikipedia.org/wiki/Exonumia

    Exonumia are numismatic items (such as tokens, medals, or scrip) other than coins and paper money. This includes "Good For" tokens, badges, counterstamped coins, elongated coins, encased coins, souvenir medallions, tags, wooden nickels and other similar items. It is an aspect of numismatics and many coin collectors are also exonumists.