Nah. You can do full Cartesian plane using nostr too. #cyberspace protocol by nostr:nprofile1qqsw3mfhnrr0l6ll5zzsrtpeufckv2lazc8k3ru5c3wkjtv8vlwngkspz9mhxue69uhkummnw3ezuamfdejj7qg4waehxw309aex2mrp0yhxgctdw4eju6t09uqsuamnwvaz7tmwdaejumr0dshsq9cn9q outlines this well.
Oh, cool! Can you give me a link?
https://github.com/arkin0x/cyberspace
Great stuff! I have a simpler conception, though. i-space only with coordinates (k,e), where k is public key with private counterpart, and e is events (versus notes). d-space is not really needed as an an event in i-space can correspond. Also, all entities can be distinguished with a k. In the end, similar model: I just have a simpler conception