I know quite a bit about crypto and digital security. If I could find the time to write something, which won't be soon, is there something that would interest LessWrong? (If you just want to read crypto stuff, Matthew Green's blog is good; "how to protect a nascent known-to-be-actually-working GAI from bad guys" will read like "stay the fsck away from any mobile phones and the internet and don't trust your hardware; bring an army", which won't be terribly interesting.)