Great idea!
Discussion
Neither of them are my ideas but thanks! 🙂
nostr:nprofile1qqsth7fr42fyvpjl3rzqclvm7cwves8l8l8lqedgevhlfnamvgyg78spz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wwa5kuegpz4mhxue69uhk2er9dchxummnw3ezumrpdejqj9swg4 uses estamps. I like their approach and started experimenting with it. Seems promising
We're reinventing how things were done with the postal system. Until now, impossible, but now we have ecash stamps!