Smart Contracts

A smart contract is a self-executing computer program deployed on a blockchain. It contains rules and conditions written directly into code.

Blockchain Nodes

A node is simply a computer that participates in a blockchain network. Each node stores a copy of the blockchain and helps verify transactions.

Crypto Wallets

A crypto wallet doesn’t store coins like a piggy bank. Instead, it keeps keys that let you access your crypto on the blockchain.

DeFi

DeFi stands for Decentralized Finance. It refers to a collection of applications and platforms built on blockchain that allow people to transact without banks.

NFTs

An NFT is a unique digital asset stored on a blockchain that proves ownership of something.

Web3

Web3 is the idea of a decentralized internet powered by blockchain.

Cryptocurrency

Cryptocurrency, often called “crypto,” is a form of digital currency that uses cryptography (advanced math and code) to keep it secure.

Blockchain

Think of blockchain as a public notebook that everyone owns a copy of. Whatever gets written in it is permanent and visible to all.