To me you had to setup your "keys" on Bitcoin, no different on NOSTR.
Bitcoin: "Fix the Money, Fix the World."
NOSTR: "Fix the Social Media, Fix the Hate."
Go and Purple Pill the Orange Pilled. This web5 is a hell of a combination punch. I tried to explain it here. This revolution gives me so much hope. https://bitcoinapolis.blogspot.com/2023/03/bitcoin-dorseys-web5-is-here-layering.html