glossary most important cryptocurrency terms cryptocurrency: digital currency secured by cryptography altcoin: any cryptocurrency other than bitcoin Bitcoin: The first and most well-known cryptocurrency ethereum: A cryptocurrency known for its smart- contract functionality smart contract: SELF-EXECUTING contracts written directly into code Decentralized finance: financial services without tradional intermediatries non-fungible token(Nft): unique digital asset asset that represent ownership of specefic item crypto exchange: a platform where users can buy, sell and trade cryptocurrency stablecoin: a cryptocurrency that is directly related to the us dollar Decentralized finance: financial services without tradional intermediatries Sources