Glossary-F
F
Failed Transaction
- A blockchain transaction that fails to execute and is not validated or confirmed. This can happen for a variety of reasons, including, but not limited to, insufficient gas, invalid data, or errors in smart contract code. Failed transactions can still consume gas fees even if they make no changes to the blockchain.
Fantom
- A layer 1 blockchain launched in 2018 that utilizes Proof of Stake. It is intended to be an Ethereum alternative, and a scalable platform for enterprise applications and dapps.
- See also: #Blockchain, #Dapp, #Ethereum, #FTM, #Layer 1
Faucet
- An application, website, or tool that dispenses cryptocurrency or tokens, usually with little to no value, often distributed for use by developers on a test network.
- See also: #Testnet
Fiat
- Legal tender that is not backed by a tangible asset like gold or silver. Supply is controlled by the government or a central bank, adjusted in response to economic conditions and monetary policy.
Flippening, The
- Slang
- The name given to the hypothetical event in which the Ethereum market cap surpasses the Bitcoin market cap. Possibly inspired by the title of the film Highlander II: The Quickening.
Fork
- An alternate version of a blockchain that shares a common history but is modified due to a change in the underlying protocol. This is often intentionally provoked in order to apply upgrades to the network, and network supporters will abandon the older version for the improved chain.
- See also: #Hard Fork, #Soft Fork
Fractionalize
- The process of dividing a single digital asset into smaller units, where each piece is represented by a token that can then be bought or sold on a marketplace, exchange, or directly between users.
Fren
- Slang
- Intentional misspelling of "friend."
Front-running
- The practice of executing a transaction ahead of others based on insider or advanced information to take advantage of price swings, liquidity imbalances, or arbitrage opportunities.
FUD
- Acronym - Fear, Uncertainty, Doubt
Full Node
- A computer or server that actively supports a blockchain network by maintaining a complete history of all past transactions and blocks, as well as independently verifying the legitimacy and integrity of transactions and blocks while relaying them to other nodes.
- See also: #Archival Nodes, #Light Node, #Master Node, #Node
Fungible
- Items such as goods or commodities that can be exchanged on a one-to-one basis without any loss of value between individual units. Examples include currencies and commodities like oil, wheat, or gold.
- See also: #Fungible Token, #NFT, #Semi-fungible
Fungible Token
- A digital asset that is divisible, uniform, and interchangeable on a one-to-one basis with other tokens or assets of the same type.
See also: #Fungible, #NFT, #Semi-fungible