Cold vs hot wallets: what they are and how they differ
Short answer
A hot wallet keeps its private keys on a device that's online, like a wallet app on your phone: easy to use, but a bigger target for hackers. A cold wallet keeps the keys offline, like a hardware wallet: safer, but slower to send from.
- Keep small, everyday amounts in a hot wallet and larger amounts you plan to hold in a cold one.
- A cold wallet has a seed phrase too. If the device is lost or broken, that's how you get your crypto back.
- Exchanges generally keep most coins in cold wallets and a smaller share in hot wallets to handle withdrawals.
In one line
It comes down to one thing: whether the private keys are online. Online is hot; offline is cold.
An example
- Hot wallet: a wallet app on your phone. Open it and send crypto in seconds. Good for small amounts you use day to day.
- Cold wallet: a hardware wallet that stays offline. You confirm every transfer by pressing buttons on the device. Good for larger amounts you plan to hold.
Related
FAQ
Does a beginner need a cold wallet?
Not right away if you're starting small. First turn on two-factor authentication (2FA) and a withdrawal whitelist on your exchange account. If your balance grows and you plan to hold for a long time, consider a hardware wallet.
Where should I buy a hardware wallet?
Only from the brand's official website or an authorised seller. Don't buy one second-hand, and never use one that someone else set up for you.
Is crypto on an exchange in a cold or a hot wallet?
Neither one is yours. The exchange holds your crypto and splits it between its own cold and hot wallets. What you look after is your account: password, 2FA and withdrawal whitelist.