Doesnโt a phone count as hardware?
Social recovery, cloud partial key-material will help this.
Hardware is not practical for Nostr, the signing happens too often on every interaction.
Imagine if you'd use hardware for every zap ๐
nostr:nevent1qqs9dczn8slzmpevlyx0dwnykvy334lycznzzpt8c88az5qnh5nhypc2degtc
Discussion
2fa with simple convenient pin, fingerprint, face confirmation