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The 50 sen coin (五十銭硬貨) was a Japanese coin worth half of a Japanese yen, as 100 sen equalled 1 yen. [1] These coins circulated from the late 19th century to the early 1950s, when Japan adopted a single currency unit and this coin was demonetized.
The British one pound (£1) coin is a denomination of sterling coinage. Its obverse has featured the profile of Charles III since 2024 [1] and bears the Latin engraving CHARLES III D G REX (Dei Gratia Rex) F D (Fidei defensor), which means 'Charles III, by the grace of God, King, Defender of the Faith '. The original, round £1 coin was introduced in 1983. It replaced the Bank of England £1 ...
List of date formats by country The legal and cultural expectations for date and time representation vary between countries, and it is important to be aware of the forms of all-numeric calendar dates used in a particular country to know what date is intended.
United States Mint coin production This table represents the mintage figures of circulating coins produced by the United States Mint since 1880. This list does not include formerly-circulating gold coins, commemorative coins, or bullion coins.
The term year 2000 problem, [1] or simply Y2K, refers to potential computer errors related to the formatting and storage of calendar data for dates in and after the year 2000. Many programs represented four-digit years with only the final two digits, making the year 2000 indistinguishable from 1900.
Satoshi Nakamoto (fl. 31 October 2008 – 26 April 2011 [1]) is the name used by the presumed pseudonymous [2][3][4][5] person or persons who developed bitcoin, authored the bitcoin white paper, and created and deployed bitcoin's original reference implementation. [6] As part of the implementation, Nakamoto also devised the first blockchain database. [7] Nakamoto was active in the development ...
Solana is a blockchain platform which uses a proof-of-stake mechanism to provide smart contract functionality. Its native cryptocurrency is SOL. Solana was launched in 2020 by Solana Labs, which was founded by Anatoly Yakovenko and Raj Gokal in 2018. The blockchain has experienced several major outages, Solana wallets were subjected to a hack, and a class action lawsuit was filed alleging that ...
Tether, often referred to by its currency codes USD₮ and USDT, is a cryptocurrency stablecoin launched by Tether Limited Inc. in 2014. [3][4] It is pegged to the United States dollar, and is distinct from a central bank digital currency (CBDC). As of 1 August 2024, Tether reported having $118.4 billion in reserves, including $5.3 billion in excess reserves. In the second quarter of 2024, the ...