Dedicated hardware that is specifically built to hold cryptocurrency and keep it secure. Smartcards (or USB devices). These devices can go online to make transactions and get data and then can be taken offline for transportation and security.
We believe that the Smartcard way, is much easier to use and can be used with Smartcard Contact Readers as well as NFC Readers (and embedded ones in Mobile Phones). This is a big plus offering a simple way for user to store and use his COLD Wallet.