Bitcoin has much wider adopt which is most likely why it is first. BTC has an average of 600k transactions per day vs XMR which averages about 30k per day. I’d probably make the one that would actually be used the most first as well.

The tiers are vulnerable, weak and strong. Change the vulnerable ones first then the weak passwords

Proton defines Strong as at least 75 bits of entropy and over 100 bits is recommended. May have soemthing to do with that

The build number is 8445

And you’re complaining about this while using the free tier of a private service that doesn’t sell your data? If I were on the free tier I’d trade a signature and blockable pop-ups (uBO) for not being the product.

SimplyMail + OpenPGP

If you like syncing across devices, Bitwarden (paid) or Proton Pass. If you already use Bitwarden and don’t like the idea of having passwords and 2FA in the same place, just make a second Bitwarden account.

It’s most likely an API linked to your logged in account that counts each search performed and logs it against your account. You don’t need to see a user’s search to track that information.