Cold Wallet
A cold wallet stores private keys offline to reduce exposure to online attacks.
Category
Custody Security
Crypto security starts with key custody, phishing resistance, and stronger signing controls.
How to recognize this theme
Concepts used to protect keys and accounts.
In a daily board, this category groups terms by their shared role. Look for four cards that describe the same mechanism, risk area, or workflow rather than four words that merely sound similar.
Educational context
These entries are vocabulary notes for learning. They are not project endorsements, token recommendations, exchange rankings, or trading signals.
Phishing
Phishing tricks users into revealing credentials, seed phrases, or signing malicious transactions.
Multisig
Multisig requires more than one key or signer to authorize a transaction.
Hardware Wallet
A hardware wallet is a physical device that keeps private keys isolated while signing transactions.