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Digital assets and currencies
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1860s replacement of the British copper coinage
Beginning in 1860 and continuing for several years, Britain replaced its copper coinage with bronze pieces. The copper coins (principally the penny, halfpenny and farthing) had been struck since 1797 in various sizes, all of which were seen as too large. Over time the copper metal wore or oxidised, or had advertising punched into it, and there were also counterfeits and foreign coins in
Trading basicsBanovac
Banovac, banski denar or banica is a coin struck and used in the Kingdom of Croatia between 1235 and 1384, replacing the Croatian frizatik (which was also minted by Duke of Slavonia). The Latin name denarius banalis was derived from the words ban ("viceroy") and denarius.
Fiat currenciesCoin
A coin is a small object, usually round and flat, used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by a government. Coins often have images, numerals, or text on them. The faces of coins or medals are sometimes called the obverse and the reverse, ref
Fiat currenciesElectricity as the Dominant Force in the World
Electricity as the Dominant Force in the World is an 1896 United States five-dollar silver certificate. It is of the US large-size variety measuring 7.375 in (187.3 mm) by 3.125 in (79.4 mm). The note is one of three notes that are part of the "Educational Series". As a result of the nudity portrayed on the obverse and other controversies, the note was replaced in 1899.
Trading basicsHistory of coins
The history of coins stretches back to the first millennium BC/BCE. Notable early examples of coins include the Lydian lion coins, Persian daric and siglos, Tong Bei, the dirham and gold dinar.
Fiat currenciesKopeck
The kopeck, also spelled kopek, is a coin or unit of currency used in Russia and some post-Soviet states. It is usually the smallest denomination within a currency system and is equal to 1⁄100 ruble.
Fiat currenciesLeper colony money
Leper colony money was special money (scrip or vouchers) which circulated only in leper colonies (sanatoriums for people with leprosy) due to the fear that money could carry leprosy and infect other people. However, leprosy is not easily transmitted by casual contact or objects; actual transmission only happens through long-term, constant, intimate contact with leprosy sufferers and not
Fiat currenciesList of motifs on banknotes
This is a list of current motifs on the banknotes of different countries and territories. The customary design of banknotes in most countries is a portrait of a notable citizen on the front (or obverse) and a different motif on the back (or reverse) - often something relating to that person. One exception to this is the euro banknotes, where non-existent architectural structures have bee
Fiat currenciesMordovka
Mordovka (Russian: мордовка, pl. мордовки, mordovki) were minted or cast silver and copper plates made in the Middle and Lower Volga region during the 16th to 18th centuries. The obverse side usually featured coarse, stylized images of a horseman, horse, bird, and other figures. The reverse side had inscriptions made from sets of letters, often imitating Russian kopecks. According to the
Trading basicsObverse and reverse
The obverse and reverse are the two flat faces of coins and some other two-sided objects, including paper money, flags, seals, medals, drawings, old master prints and other works of art, and printed fabrics. In this usage, obverse means the front face of the object and reverse means the back face. The obverse of a coin is commonly called heads, because it often depicts the head of a prom
Trading basicsRougga Treasure
The Rougga Treasure is a treasure dating back to the 7th century, discovered in Rougga, Tunisia, in 1972. Consisting of a collection of Roman gold coins, it is preserved in the Mahdia Museum.
Fiat currenciesYehud coinage
The Yehud coinage is a series of small silver coins bearing the Aramaic inscription Yehud. They derive their name from the inscription "YHD" (𐤉𐤄𐤃), "Yehud", the Aramaic name of the Achaemenid Persian province in the Levant which had formerly been the Kingdom of Judah. Other coins are inscribed "YHDH", the Hebrew name for Persian province. The minting of Yehud coins began c. 350 BC a