Keystone

Keystone (formerly Cobo Vault) is a premium hardware wallet that emphasizes open-source security. It features a 4-inch touchscreen, fingerprint sensor, and a completely air-gapped QR code transmission system. Keystone is the first hardware wallet to integrate a Secure Element with open-source firmware.

The device is compatible with popular software wallets like MetaMask (for DeFi) and BlueWallet (for Bitcoin). Keystone offers an affiliate program for crypto influencers. It is a legitimate, high-end security device for users deeply involved in DeFi or Bitcoin self-custody.

Frequently Asked Questions

1. specific integration with MetaMask?

Yes, Keystone is famous for its seamless QR-code integration with MetaMask. This allows DeFi users to sign transactions securely offline while using the MetaMask interface they are familiar with.

2. What is the self-destruct mechanism?

The Pro version of the device has a self-destruct mechanism. If the device detects physical tampering (like someone trying to open the case), it automatically wipes the keys to prevent theft.

3. specific affiliate program?

Yes, Keystone runs an affiliate program paying commissions (typically 10%) on sales. They are popular among DeFi educators and YouTubers.

4. Is it open source?

Yes, Keystone's firmware is open-source, allowing the community to audit the code. This transparency is critical for verifying that the device generates keys randomly and securely.

5. specific battery?

Keystone uses a detachable battery pack. You can use a rechargeable pack or a AAA battery holder, ensuring you can always power the device even if the rechargeable battery degrades over years.