Note: this option will have it own risk like, not being able to track the devices if stolen or lost but for someone that have privacy in mind dont you think having such option in your cryptocurrency devices at least not your main devices will increase your privacy?
Nice one of you though but in the case of enhancing our wallet security and privacy levels instead of this concept na to better use the hardware wallets with em high security peripherals. Other gadgets like our mobile or electronics devices fit get contaminated by the malicious softwares and the threats all over there for internet.