Blockchain
A shared ledger of transactions grouped into linked blocks
💡 Each block references the one before it.
Private key
The secret that proves you own a wallet — never share it
💡 Anyone with it controls the funds.
Public address
The shareable ID people send funds to
💡 Safe to post; derived from the public key.
Seed phrase
12–24 words that can restore a wallet
💡 Treat it exactly like a private key.
Gas fee
What you pay the network to process a transaction
Stablecoin
A token designed to track a stable asset like the US dollar