The smart card is highly certified from Infineon
And many products came highly certified by RSA who we found out was on the payroll of the NSA. What makes the employees of Infineon immune to bribes or secret government orders? He did only deny Chinese involvement. We can take silence on the NSA backdoor as confirmation.

It does seem like there are a great number of features you could add to the card that would make some aspects of security more convenient and certainty make something like key management easier. It's probably a good product to be paired with cryptocurrency, but it doesn't do much to protect you from the typical attack vector of a compromised device, except maybe through obscurity.