KelvinWallet is the first QUANTUM-PROOF crypto-wallet. Our wallet can protect your cryptocurrency, such as BTC, ETH, LTC, ERC20 token, TUSD etc..

Shipping worldwide

Kelvin Wallet will be sold & shipped globally. (Rate will be different based on distance.)


We accept direct payment using Ether (ETH), Bitcoin (BTC), PayPal, Visa, Mastercard, American Express and other major credit cards.

1-year Warranty

KelvinWallet come with 1 year limited warranty internationally.

Return Policy

If the KelvinWallet you received is DEAD ON ARRIVAL, please immediately write an e-mail within 72 hours to for FREE replacement of your KelvinWallet.

KelvinWallet benefits

Quantum-safe OS for long-term secure

Quantum-safe digital signature scheme.

Large Screen with 3 buttons

Compact design with big display loaded with fully customized font. Carefully placed hardware buttons, feels just like a handheld console.

Security Chip for 30 years life 

Private keys never leave the device and are protected by a CC EAL5+ secure element, locked by your PIN, with sophisticated countermeasures against various kinds of physical attacks.

Small yet incredibly sturdy

We aim to provide you strong and powerful protection with a special anti-tempering design and structural protection.

Tech Specs

Dimension & Weight: 

Size: 70mm x 40mm x 10mm

Weight: 35g


Screen: PMOLED 1.54 inch, 128x64


CPU: ARM Cortex-M4 processor

Certification Level: CC EAL5+

Chips: ST-SAFE-J100 (secure) + STM32F41 MCU


ABS Plastic

Working Temp.: 0°C ~ 45°C

Compatibility & Connector: 

Desktop: Windows, macOS & Linux

Connection: USB Type-C

Power Input: 5V/1A

No Battery Required



16  July 2019

KelvinWallet is awesome product I have ever seen. The device have top level security design with many modern crypto-algorithm. The wallet UI design  is simple and clear than the other products in the market. I love it. 


23 May 2019

User friendly interface, large screen and fast response! 

Compare with other cold wallet, now I just spend 1/2 time to make a transaction.
It’s definitely the best wallet of the year!!


© All rights reserved 2019. Powered by Chelpis.


No. 20, Section 2, Nanjing East Road, Zhongshan District, Taipei City, Taiwan 10491

Subscribe to our news letter