Cryptocurrency Glossary

Altcoin

Any cryptocurrency other than Bitcoin. Examples include Ethereum, Ripple, and Litecoin.

Bitcoin

The first and most well-known cryptocurrency, created by Satoshi Nakamoto in 2009.

Blockchain

A decentralized ledger of all transactions across a peer-to-peer network.

Consensus Mechanism

A process used in blockchains to achieve agreement on a single data value or state of the network.

Cryptography

The science of securing communication using mathematical techniques, fundamental to blockchain technology.

Decentralized Finance (DeFi)

A financial system built on blockchain that offers financial services without intermediaries.

Ethereum

An open-source blockchain with smart contract functionality, and the second-largest cryptocurrency by market cap.

Fork

A divergence in a blockchain due to changes in consensus rules. It can be soft or hard.

Gas Fees

Transaction fees paid to compensate for the computing energy required to process operations on Ethereum.

Halving

A scheduled reduction in mining rewards that lowers the rate of new cryptocurrency creation.

Hashrate

The total computational power being used to mine and process blockchain transactions.

Initial Coin Offering (ICO)

A fundraising method where new crypto projects sell tokens to investors.

Layer 2

A secondary framework or protocol built on top of a blockchain to increase scalability and efficiency.

Liquidity Pool

A collection of tokens locked in a smart contract used to facilitate decentralized trading and lending.

Market Cap

The total value of a cryptocurrency, calculated as price per coin × circulating supply.

Mining

The process of validating blockchain transactions and adding them to the ledger, often rewarded with coins.

Non-Fungible Token (NFT)

A unique digital item verified using blockchain, used for collectibles, art, and digital ownership.

Private Key

A secure code known only to the owner that allows access to their cryptocurrency wallet.

Proof of Stake (PoS)

A consensus mechanism where validators are chosen based on the amount of crypto they 'stake' or lock up.

Proof of Work (PoW)

A consensus mechanism where miners solve complex puzzles to validate transactions and secure the network.

Public Key

A cryptographic code that allows users to receive cryptocurrency into their account.

Smart Contract

Self-executing digital contracts with conditions written directly into code on the blockchain.

Stablecoin

A cryptocurrency with a value pegged to a reserve asset like the US Dollar to reduce volatility.

Wallet

A digital tool that allows users to store and manage their cryptocurrency holdings.