Coming soon

Keep your Bitcoin in your own sock.

Sometimes exchanges get hacked or freeze withdrawals. ColdSock is a small device that keeps your Bitcoin keys offline, at home, with you. Simple to use, Bitcoin only, and affordable.

Read: move your Bitcoin off an exchange

Your keys, offline

Your keys are created on the device and never leave it.

Bitcoin only

No other coins. Less code, fewer places to attack.

Check on the device

Every payment shows the amount and address on its own screen before you approve it.

Free guides

How to move your Bitcoin off an exchange, safely Step by step for beginners: set up your wallet, test with a small amount, check every address. Hot wallet or cold wallet? What's the difference What a wallet really holds, the pocket-and-safe setup, and what to look for in a hardware wallet. How to back up your Bitcoin wallet, and never lose access Write it down, keep it apart, test it once. The mistakes that cost people their Bitcoin. Bitcoin scams to avoid, and how to spot them in seconds Fake support, recovery services, swapped addresses: the tricks scammers use most and the signs they share.