Oh nice, so it's really only the receiver that would need the phone number
The merchant has a phone number to pay to. I just used the nostr:nprofile1qqs254dy0xkkjdxsl4u08k7cs52u689q67s3pqfwwyfcp4va7avcjdgpz3mhxue69uhhqctfvshxumewwd68ytnrwgq3samnwvaz7tmvd9nksarwd9hxwun9d3shjtnrdakst2nmzm app with my data
Discussion
Well you need a phone number for the ₿ jungle wallet and also need to set up a Bull ₿ acct.