This isn't normie-proofed enough. You need to mandate a .txt being downloaded with the 12 word seed and some sort of hash that has to be entered into the UI prompt providing the 12 word seed on Soapbox to confirm it was downloaded. I was going to recommend E-mail but then I remembered that Nostr clients are meant to be run like programs on your desktop, not hosted webservices. Every single Mr Magoo retard is going to be fucking this up and bothering you to recover their account because they were too stupid or lazy to write it down. Make it a file that they get on their computer.