Interesting... but you have to have a cellplan you pay for the phone number. Still an interesting transition to on-boarding.
In Costa Rica, you can pay with sats at ANY store because they have a bank payment system tied to their phone numbers. I tried it out for the first time using nostr:nprofile1qqs254dy0xkkjdxsl4u08k7cs52u689q67s3pqfwwyfcp4va7avcjdgpzemhxue69uhhyetvv9ujuer9weehgu3wdaexwqgewaehxw309aex2mrp0yh8xmn0wf6zuum0vd5kzmp0r70xsv app which has nostr:nprofile1qqsr70lh4keezkwy9s92zm2ncpyrh7l6647ly257n6fkfgcxws0t9ncpr4mhxue69uhkummnw3ez6ur4vgh8wetvd3hhyer9wghxuet5qyd8wumn8ghj7un9d3shjtnwdaehgun8wfshq6pwdejhgxy4nne Lightning integration. You can pretty much live on a ₿ standard here without a bank account or even a credit card !
Discussion
The merchant has a phone number to pay to. I just used the nostr:nprofile1qqs254dy0xkkjdxsl4u08k7cs52u689q67s3pqfwwyfcp4va7avcjdgpz3mhxue69uhhqctfvshxumewwd68ytnrwgq3samnwvaz7tmvd9nksarwd9hxwun9d3shjtnrdakst2nmzm app with my data