So the nostr:nprofile1qqs22d4tralncqfnh2kmmarjkxk8449hwnk5xtqe3y5yry6hy7ytegqpzemhxue69uhk2er9dchxummnw3ezumrpdejz7qgcwaehxw309ahx7um5wghxvmt59emkj73wvf5h5tcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsymkvl9 plugin for Aqua wallet (Shamrock protocol made by nostr:nprofile1qqsfrjd9ux5hgsg5cmlz6cdwfh5zv2024g8m2t6g9zqf83l8uqm0svsppemhxue69uhkummn9ekx7mp0qywhwumn8ghj7mn0wd68ytnzd96xxmmfdejhytnnda3kjctv9uq3xamnwvaz7tmwdaehgu3w0f3xgtn8vuhsq04x42) seems pretty stable now. I just tested and a single QR scan allows for easy hosting.
This means you can onboard merchants to your Start9 BTCPay instance without KYC, self-custodied to their Aqua wallet. Take that, Square!