Fixed‑Point Arithmetic
Numeric representation with a fixed number of decimals, common in smart contracts to avoid floating‑point errors.
Dapp Ahoy! World beyond Web3
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Archives: Glossary
Archives: Glossary
Finite Field
Mathematical field with a finite number of elements; used in ECC, BLS, and zkSNARK arithmetic.
Filecoin
Decentralized storage network that incentivizes storing and retrieving data with cryptographic proofs.
Fiat On‑Ramp
Service that converts fiat currency into crypto assets using cards, bank transfers, or wallets.
Fiat
Government‑issued currency not backed by a physical commodity, e.g., USD, EUR.
FHE (Fully Homomorphic Encryption)
Encryption allowing computation on ciphertexts to produce encrypted results that decrypt correctly.
Faucet
Service that dispenses small amounts of testnet tokens to developers for free.
Fungible Token
Asset where each unit is interchangeable with any other unit, e.g., ERC‑20 tokens.
Fraud Proof
Proof showing that a claimed state transition is invalid; used in optimistic rollups during challenge periods.
Fork Choice Rule
Algorithm used by nodes to select the canonical chain among competing branches.
Finality
Point at which a transaction becomes effectively irreversible under the consensus protocol.
