I came across this intriguing report recently -“Microsoft worker accidentally exposes 38TB of sensitive data in GitHub blunder — Included secrets, private keys, passwords, 30,000+ internal Teams messages” https://www.theregister.com/2023/09/18/more_microsoft_token_trouble/ What about the idea of the identical cryptographic keys generated on-the-fly when (only when) 3 out of 10 or so pre-registered…