nostr:nprofile1qys8wumn8ghj7mn0wd68ytn9d9h82mny0fmkzmn6d9njuumsv93k2tcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsqgxyk5mf48dj0ghphjtmyha2fp3dnl86w36sdv0jwtu0fvmtsykm6c90er2r s goes thru transacting with ecash while offline:

https://yakihonne.com/article/naddr1qvzqqqr4gupzp394x6dfmvn69cduj7e9l2jgvtvle7n5w5rtrunjlr6tx6up9k7kqq25cjpsdfeyj3z9f3txsejnfezk6mjpwagyyweknn3