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Fiat Currency
Government-issued currency that is not backed by a physical commodity, such as USD, EUR, etc.
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Fork
A change in the blockchain protocol that results in a split of the blockchain into two separate chains.
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Gas
A fee required to conduct a transaction or execute a contract on the Ethereum blockchain.
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Halving
An event where the reward for mining new blocks is halved, which reduces the rate at which new coins are generated.
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Hash
A function that converts an input into a fixed-length string of characters, which is typically a sequence of numbers and letters.
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Hot Wallet
A cryptocurrency wallet that is connected to the internet.
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ICO (Initial Coin Offering)
A fundraising method in which new projects sell their underlying cryptocurrency tokens in exchange for Bitcoin or Ethereum.
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Ledger
A record-keeping system for tracking transactions and balances.
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Mining
The process of validating transactions and adding them to the blockchain.
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Node
A computer that participates in the blockchain network by validating and relaying transactions.