All-time high (ATH): Highest price ever achieved by a cryptocurrency.
All-time low (ATL): Lowest price ever achieved by a cryptocurrency.
Altcoins:A category that includes all coins other than Bitcoin, the first and most successful of all the cryptocurrencies. Ethereum and Ripple are altcoins.
Node:A computer that validates transactions
Cold wallet:An offline crypto wallet
Gas:A fee that must be paid to execute Ethereum transactions