It's the job of a provider (browser extension or nsec storage like nsec.app) to help users recover. It's not black and white, we don't have to leave users on their own with how-do-I-store-this-nsec thing.
I will tell you an anecdote, I taught a friend to us and how to use a client on his mobile phone and I explained everything to him so that he can save his nsec correctly. In the afternoon he sent me his keys on WhatsApp to help him save because he said he was sure he would lose them. Me š«„ They are not the tools. It is the digital culture of many.
That's right, it's like explaining them how to store and backup bitcoin keys. It's always a facepalm. That's why there are setups like Casa or Bitkey that don't expose keys, and instead build good storage and recovery tooling. It's not for experts, but most people aren't experts. Nsec.app doesn't expose nsec too (at least if you don't ask atm), we will try to keep it safe and help you recover without making you write it on a piece of paper.
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