Question about keys:

Coming from using hardware wallets, I feel a bit dirty when just pasting my nSec to try out a different nostr app.

So what are best practices for handling keys for your nostr?

If this becomes my main social media account, in some ways it could become more valuable than any Bitcoin which I of course would keep in cold storage.

Is there a system to have a “cold storage” nostr account, which you use only to verify a “spending vallet”, the account you use to post and comment?