Crypto Security Hardware
Don't Trust. Verify.

Opendime

World's 1st and only Real Physical Bitcoin

Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill. Pass it along multiple times. Connect to any USB to check balance. Unseal anytime to spend online. Trust no one.

Buy Now SHIPPING

Coldcard

A Open, Cheap & Ultrasecure Hardware Wallet!

Coldcard is a Bitcoin hardware wallet, it signs transactions to keep the private keys offline.



Buy Now SHIPPING

Bitcoin Server

Self-Host Your Bitcoin Projects Securely

Hardened servers for hosting Bitcoin cold and hot wallets.



Subscribe for Updates