Blockchain: A decentralized digital ledger of transactions.
Wallet: A tool to store and manage cryptocurrencies.
Exchange: A platform where you can buy and sell crypto.
Private Key: A secret key used to access your crypto funds.
Public Address: The wallet address others use to send you crypto.
DeFi: Decentralized finance — financial services without banks.
Stablecoin: Crypto tied to stable assets like the US dollar (e.g., USDT).
Altcoin: Any crypto other than Bitcoin.