DL stands for "hold on for dear life." The idea behind it is simple: If you believe a project or currency will gain more value, just “hodl” even through dips in the market.
Blockchain
Every cryptocurrency transaction is processed, verified, and recorded on a virtual ledger known as a blockchain.
Altcoin
An altcoin is any digital currency that’s not Bitcoin. There are thousands of cryptocurrencies, with new ones being added all the time.
Fiat
Fiat money is government-issued currency. If you’re in the United States, that means the U.S. dollar.
Exchange
Think of an exchange like a crypto middleman. It’s an online service that allows you to exchange your fiat for crypto or change crypto into fiat.
Wallet
In basic terms, a cryptocurrency wallet is an app or physical storage device that allows you to store and retrieve your digital currency.