The Ethereum roadmap consists of interconnected upgrades designed to make the community extra scalable, protected, and sustainable.
Method: vanity score of matched pattern + vanity score of wallet addr (+ vanity score of contract addr if contract mode)
Ethereum wallets are apps that give you M
Indeed, there isn't the USB but i see that there are pins for GPIOs and GND 5V / 3v3 so i think that soldering pins are ok to flash after which to electrical power on :-)
The first time you open up your new wallet you could be requested to choose between making a new account or importing an e