Marketplace is a very cool usecase on NOSTR. I just created a stall for my Wifey's work on Plebeian Market :) check it out! :) https://plebeian.market/p/ffaf16d939006312e8fb2bc8f4d809154179afd281f299001aec0da9359bde90/stall/f94a31fd8425d18e03d628ebe3bfe17a1b9cfa71534b91f9b7b120f8bcc3a4a4