Glossary
Definitions of the terms used across Satostar, each on its own page.
A
- Address poisoningAddress poisoning is a scam in which an attacker plants a lookalike address in a victim's transaction history, hoping the victim later copies it by mistake and sends funds to the attacker.
- Address reuseAddress reuse means receiving more than one payment at the same bitcoin address, which lets anyone who sees the address link those payments and follow the owner's history.
- Air-gapped signingAir-gapped signing means signing transactions on a device that has no cable or wireless connection to a computer, passing the unsigned and signed transaction by memory card or QR code.
B
C
- Change addressA change address is a new address of your own wallet that receives the leftover amount when a transaction spends more bitcoin than the payment needs.
- Cold storageCold storage means keeping the private keys for bitcoin on a device or medium that is not connected to the internet, signing only rarely and deliberately.
- Crypto ATMA crypto ATM is a kiosk that accepts cash or cards and sends cryptocurrency to an address the customer supplies, often by scanning a QR code.
D
E
F
H
- Hardware walletA hardware wallet is a dedicated device that generates and keeps private keys inside itself and signs transactions only after the user confirms the details on its own screen.
- Hot walletA hot wallet is a wallet whose private keys are kept on a device connected to the internet, such as a phone or computer app, which makes it convenient for spending and more exposed to malware.
M
O
P
- PassphraseA passphrase is an optional extra secret combined with a seed phrase under BIP39, so that the same words open a different wallet for every different passphrase.
- Pig butcheringPig butchering is a long-running investment fraud in which a scammer builds trust with a victim over weeks, then steers them to a fake crypto trading platform and takes everything they deposit.
- PSBTA PSBT is a standard file format, defined in BIP174, for a Bitcoin transaction that is not yet fully signed, carrying the extra data a separate signing device needs to check and sign it.
S
- Seed phraseA seed phrase is a list of 12 to 24 words that encodes the random secret from which a wallet derives all of its keys, so that the words alone can rebuild the wallet on any compatible device.
- SLIP-39SLIP-39 is a standard for splitting a wallet's master secret into word shares, so that a chosen number of shares rebuilds it and fewer reveal nothing useful.