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Digital Wallet G-KNOT

Asset Management Wallet by Finger Vein Authentication​

G-KNOT is a digital asset management wallet developed by eTunnel that utilizes finger vein authentication, providing a highly secure decentralized wallet for managing digital assets.​

When the finger vein authentication device scans the finger with near-infrared light, hemoglobin ins the bloodstream absorbs the light, revealing a black vein pattern. This pattern is encrypted to create a biometric key and generate a private key.

The biometric key is encrypted and stored in devices such as finger vein authentication device / smartphones / computers / USB etc. while the private key is not stored separately.​

By placing the finger on the authentication device, the private key is temporarily generated only if it matches the stored biometric key.This eliminates the risk of private key exposure or loss, resulting in an extremely low probability of hacking.​​

During transaction signing, the finger serves as the private key, eliminating the need for managing PIN numbers, mnemonics, or separate private keys. Even if the device containing the stored biometric key is lost, the private key remains secure and cannot be exposed. With just the device that stores the biometric key, wallet restoration can be easily achieved using the finger.