Cold Wallet
A wallet whose private keys never touch an internet-connected device.
✦ Key Insight
For holdings you do not trade weekly, cold storage removes the largest single attack surface.
✕ Common Misconceptions
Thinking cold storage protects you from approving a malicious transaction. It protects the key, not your judgement — you can still sign a draining transaction on a hardware device.
Detailed Explanation
In Practice
Dig Deeper
Wallet
Software or hardware that stores your private keys and lets you sign transactions.
Token
An asset created by a smart contract on an existing blockchain rather than being that blockchain's native currency.
Blockchain
A shared, append-only record of transactions maintained by many independent computers at once.
Transaction
A blockchain transaction is a signed or authorized instruction that changes blockchain state or transfers value when accepted by the network.