OpenWrt, make a wifi network only for those nasty spying devices, printers, tvs etc
6,900 karma · joined September 23, 2020
https://lastminuteengineers.com/esp32-sleep-modes-power-cons...
You can use those sleep modes in micropython as well
https://randomnerdtutorials.com/micropython-esp32-deep-sleep...
The comment you were responding to was from the tarsnap creator where he was saying he doesn't have access to those keys so cannot be coerced to give them (and thus has no way to decrypt the data of all the clients).