In economics, fungibility is the property of a good or a commodity whose individual units are essentially interchangeable, and each of whose parts are indistinguishable from any other part. Fungible tokens can be exchanged or replaced; for example, a 100bill(note)caneasilybeexchangedfortwenty5 bills (notes). In contrast, non-fungible tokens cannot be exchanged in the same manner.
For example, gold is fungible because its value does not depend on any specific form, whether of coins, ingots, or other states. However, a unique item such as a gold statue by a famous artist would not be considered fungible. In short, a thing is fungible when all equivalent amounts of that thing are interchangeable. Fungible commodities include sweet crude oil, company shares, bonds, other precious metals, and currencies.
Fungibility refers only to the equivalence and indistinguishability of each unit of a commodity with other units of the same commodity, and not to the exchange of one commodity for another.
The word fungibility comes from the Latin fungibilis, from the verb fungī, meaning "to perform", via phrases such as fungi vice, meaning "serve in place of". It is related to words such as "function" and "defunct".
Fungibility is different from liquidity. A good is said to be liquid if it can be easily exchanged for money or another good. A good is fungible if one unit of the good is substantially equivalent to another unit of the same good of the same quality at the same time, place, etc.
Notably, money is fungible: one US 10banknoteisinterchangeablewithanyothergenuinebanknotelikeit.Itisalsointerchangeablewithtwofives,tenones,oranyothercombinationofbanknotesandcoinsaddingupto10.
On the other hand, diamonds and other gems are not perfectly fungible because their varying cuts, colors, grades, and sizes make it difficult to find several diamonds expected to have the same value. Packaged products on a retail shelf may be considered fungible if they are of the same type and equivalent in function and form.
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In economics, fungibility is the property of a good or a commodity whose individual units are essentially interchangeable, and each of whose parts are indistinguishable from any other part. Fungible tokens can be exchanged or replaced; for example, a 100bill(note)caneasilybeexchangedfortwenty5 bills (notes). In contrast, non-fungible tokens cannot be exchanged in the same manner. For example, gold is fungible because its value does not depend on any specific form, whether of coins, ingots, or other states.
Money is any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular country or socio-economic context. The primary functions which distinguish money are as a medium of exchange, a unit of account, a store of value and sometimes, a standard of deferred payment. Money was historically an emergent market phenomenon that possessed intrinsic value as a commodity; nearly all contemporary money systems are based on unbacked fiat money without use value.
A cryptocurrency, crypto-currency, or crypto 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. It is a decentralized system for verifying that the parties to a transaction have the money they claim to have, eliminating the need for traditional intermediaries, such as banks, when funds are being transferred between two entities.
Delves into the world of decentralized finance derivatives, exploring crypto derivatives types and existing protocols while discussing the need for new derivatives and financial data oracles.