Glossary

A quick reference for common cryptocurrency and blockchain terms.

Blockchain

A distributed digital ledger that records transactions across many computers.

Wallet

A digital tool for storing and managing cryptocurrency.

DeFi

Decentralized Finance — financial services built on blockchain without traditional intermediaries.

Smart Contract

Self-executing code on a blockchain that enforces agreement terms automatically.

Gas

The fee required to execute a transaction or contract on a blockchain.

HODL

A misspelling of “hold” that became slang for holding cryptocurrency long-term.

Staking

Locking up cryptocurrency to support network operations and earn rewards.

Yield Farming

Earning returns by lending or staking crypto assets in DeFi protocols.

NFT

Non-Fungible Token — a unique digital asset representing ownership of art, collectibles, or other items.

DAO

Decentralized Autonomous Organization — an organization governed by code and community voting.