A term used to describe traditional government-issued and backed currencies like dollars, euros, and yen. Not backed by physical commodities but by legal tender laws.


Forks create an alternate version of the blockchain, leaving two blockchains to run simultaneously on different parts of the network.


Fungible means that a given good is identical (a.k.a., interchangeable). In crypto, we often talk about fungible or non-fungible tokens. A fungible token is Bitcoin. One Bitcoin is and will always be one Bitcoin, just like any other Bitcoin.