Basically why we are planning on using BOTH:
-USDT on Lightning
-Ecash
As well as enabling direct LN invoices for checkout (for those merchants already set up on nostr:nprofile1qqsvn0dkjt80raqrxd470c98n7zrdehmcvj6p5hgw3kyku6zyd8z0fqpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wwa5kuegufe9k5 or nostr:nprofile1qqsv8fus0eeygg3k4mzlv9y5j9x5jka6pzvyfgkcyrug38hmutnfd5spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqg5waehxw309aex2mrp0yhxgctdw4eju6t0ae4uvy as an example)
nostr:nevent1qqsdt0yycjc7ntjpvgjqhqdkrp5pdyusmhw2yd69v02yxpaehsyptcqpzemhxw309ucnjv3wxymrst338qhrww3hxumnw0sfg6s