100% offline, 100% durable
Like an offline PC, ColdSecure securely generates a Bitcoin private key
and stores it on a ruggedized microSD card
No Wi-Fi, No Bluetooth, No RF. OFFLINE!
|NO USB PLUG
Not even a data connector. We said OFFLINE!
Peer reviews. Compile it yourself for maximum trust
So much more secure than a paper wallet!
|KEYS ON SD CARD
The device doesn't keep any private key
Store the private keys on two microSD cards