SecuX Technology Inc., a blockchain security company, has released a new firmware 2.0 upgrading SecuX V20, W20 and W10 crypto hardware wallets that support a new coin DigiByte (DGB) for cryptocurrency users to securely store and manage their DigiByte assets through the military-grade Secure Element (SE) to protect their Private Key and Device PIN of SecuX hardware wallets from all kinds of crypto physical and cyber attacks.