Oddbean new post about login | logout ok that's exactly what [NIP-13](https://github.com/nostr-protocol/nips/blob/master/13.md) does
nostr:nprofile1qqsw3mfhnrr0l6ll5zzsrtpeufckv2lazc8k3ru5c3wkjtv8vlwngkspz9mhxue69uhkummnw3ezuamfdejj7gsdnpq Allow me to introduce another PoW enjoyer.