Definition
A computer that runs the Bitcoin software and maintains a complete copy of the blockchain. Nodes independently verify all transactions and blocks.
Related Terms
Fiat Currency
Government-issued currency that is not backed by a physical commodity (e.g., US Dollar, Euro). Bitcoin is often compared to fiat as an alternative monetary system.
Halving
An event that occurs roughly every four years, cutting the Bitcoin block reward in half. This reduces the rate at which new Bitcoin is created, reinforcing scarcity.
Fee
A small payment included with a Bitcoin transaction to incentivize miners to include it in a block. Fees vary based on network demand and transaction size.
Hardware Wallet
A physical device designed to securely store Bitcoin private keys offline. Popular options include Trezor, Ledger, Coldcard, and Bitkey.
DYOR
"Do Your Own Research." A common reminder in the Bitcoin community encouraging individuals to independently verify information before making decisions.