>What did Q mean about NAT SEC [charter] prevents use of keys to establish IDEN via public utility/domain-non_reg?
Check out the context first, Q3620 and Q3619. Or search for nat sec, for example:
https://qalerts.app/?q=nat+sec
Maria looks like she's not feeling well.
https://www.msn.com/en-gb/money/other/e2-80-98era-of-cheap-chinese-manufacturing-over-e2-80-99-says-nat-rothschild/ar-AAYMGAp