But those already exist, no? We have nostr:npub1musqetp57matzsjcwd2y7tvxe59h85v74pqasnqxk7fhpwazzjpseyv5kr we have btcpay server. Shops simply don't know the power of bitcoin yet, but they are getting there. I think when shops start seeing bitcoiners use Bitcoin right in front of them eventually the curiosity will get them!