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  2. Glossary of numismatics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_numismatics

    Also called Communion tokens. Tokens generally issued initially by Scottish parishes (die stamped one-side only to show the parish) and later in the United States and Canada. They were square or oblong, made of lead, iron or brass and measured 1/4" to 1". [4] circulated A term used to indicate a coin that has wear. clad coinage

  3. Thompson groups - Wikipedia

    en.wikipedia.org/wiki/Thompson_groups

    The Thompson group F is generated by operations like this on binary trees. Here L and T are nodes, but A B and R can be replaced by more general trees.. The group F also has realizations in terms of operations on ordered rooted binary trees, and as a subgroup of the piecewise linear homeomorphisms of the unit interval that preserve orientation and whose non-differentiable points are dyadic ...

  4. Type–token distinction - Wikipedia

    en.wikipedia.org/wiki/Type–token_distinction

    The type–token distinction separates types (abstract descriptive concepts) from tokens (objects that instantiate concepts). For example, in the sentence "the bicycle is becoming more popular" the word bicycle represents the abstract concept of bicycles and this abstract concept is a type, whereas in the sentence "the bicycle is in the garage", it represents a particular object and this ...

  5. Token coin - Wikipedia

    en.wikipedia.org/wiki/Token_coin

    Their functions are not documented, but they appear to have been brothel tokens or possibly gaming tokens. [2] A 19th century brothel token from the Red Dog Saloon. Medieval English monasteries issued tokens to pay for services from outsiders. These tokens circulated in nearby villages, where they were called "Abbot's money".

  6. Token money - Wikipedia

    en.wikipedia.org/wiki/Token_money

    Former tokens are collected and displayed. Token money has less intrinsic value compared to its face value. [10] If the token money is metallic it is commonly made out of cheaper metals such as copper and nickel. [11] [12] Token money is also money whose face value exceeds its cost of production, i.e. the intrinsic value is lower than the ...

  7. Tokenization (data security) - Wikipedia

    en.wikipedia.org/wiki/Tokenization_(data_security)

    The mapping from original data to a token uses methods that render tokens infeasible to reverse in the absence of the tokenization system, for example using tokens created from random numbers. [3] A one-way cryptographic function is used to convert the original data into tokens, making it difficult to recreate the original data without ...

  8. Token - Wikipedia

    en.wikipedia.org/wiki/Token

    Token coin, a small, flat, round piece of metal or plastic that can sometimes be used instead of money, e.g.: Casino token, also known as a casino chip, check, cheque, or gaming chip; Knight's token, carried by a medieval knight; Token money, money that is of limited legal tender; Tokens, exonumia, items of currency other than coins and paper money

  9. Tokenomics - Wikipedia

    en.wikipedia.org/wiki/Tokenomics

    Unlike security tokens, utility tokens are for exchange and securing the liquidity and value of the company. Utility tokens are an in-ecosystem currency. [ 10 ] For example, with a token named Smooth Love Potion (SLP) in the game Axie Infinity , players can use it to breed desired spirits.