Yes. Former presidents do not lose their benefits if they’re convicted of crimes and sent to prison; changing that would take an act of Congress, and there’s probably not enough political will or support to curtail the executive branch in such a way.

If he’s actually given a prison sentence and not home confinement, though, I feel that they’d likely hold him in a military prison- for his own safety, to keep an eye on him to make sure he doesn’t keep committing crimes or attempt to flee, and to dissuade jailbreak attempts by outside actors.

Once the encryption schemes are broken, it’s not just posterity, but every malicious actor with access to encryption-breaking tech will have a field day.

I don’t mind a large collection of data about me being made available to historians, I just mind that happening with my contemporaries.

It sounds like a fuel explosion was caused by a fire that started across the street and spread.