Why would you expect that your self-hosted solution is less-likely to be hacked than a hosted solution with literally teams of people paid to secure and update them?
Lol why? Lemmy isn't a privacy platform. The devs don't give a shit about your data rights or the instance admins legal obligations to your data rights
Lol wut. What was the issue with TrueCrypt? I don't think we ever found out. The anon dev just bailed and hilariously told people to use bitlocker. Personally I think they were just trying to be funny. Fortunately veracrypt took over development.
Meanwhile you should see what billionaires in the US use for paper weights