this one I don't like as it forces us to use email and password isntead of nostr login
Don't know if it's the best, but currently trying nostr:nprofile1qqsf07zg4hxyccnkdp07fppxmetpfzru3fg6mgzx3nk8r7af8qnjjygpp4mhxue69uhkummn9ekx7mqpr3mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmqpzpmhxue69uhkummnw3ezumrpdejq52q4x7 and it works well so far
Discussion
Yes, for security reasons. If you do some research on some of the recent hacks on web-based services like this (I won't name names here...), you'll find that they were improperly using Nostr keys, attempting to use them to secure funds, and those funds were lost.