Category
Start here: blockchain, wallets, gas fees, exchanges, custody and security fundamentals.
A public, append-only ledger replicated across many nodes, secured by cryptography and a consensus mechanism.
The number of coins that are both publicly mined / issued and not locked — the supply actually tradable today.
Software or hardware that stores your private keys and lets you sign transactions on a blockchain.
Payment to the network for including your transaction in a block. Denominated in the native coin (ETH, SOL, BTC).
Current price multiplied by circulating supply. A rough proxy for how much capital is parked in an asset.
The secret number that proves ownership of a crypto address. Whoever has the key controls the coins.
A crypto token designed to hold a steady value, almost always pegged 1:1 to the US dollar.