Proton mail has some good features in the paid tier as well. What I really like is the alias creation. You can generate random email addresses to create accounts. Those are then directed by Proton to you regular email. Makes it easy to obfuscate your email. There is also a password manager included. https://fountain.fm/episode/VDN6CHKDDG7lUP22zjYB nostr:nevent1qvzqqqpxquqzqlxvjgve8hxjwh3z7ps9d8w0vc7np7vv7ag9fujyuudkx32089f4546xfc
don't put all of your eggs in one basket
That is the issue for sure.
The alias software in proton is called nostr:nprofile1qqsrmfufv02rlszd5egvxzch9lrjm2aczkeq9m6qzshth6lp56392egpz4mhxue69uhkummnw3ezummcw3ezuer9wchshde3rf, and it's self hostable. nostr:nprofile1qqsweycjgpfq37gq9zvfmrhqrvu4rkwkann6wxk0gzayugj932vc33gpz9mhxue69uhkummnw3ezuamfdejj7d2s2le for passwords is also self hostable & integrates easily with Simplelogin.