Nah. You can do full Cartesian plane using nostr too. #cyberspace protocol by nostr:nprofile1qqsw3mfhnrr0l6ll5zzsrtpeufckv2lazc8k3ru5c3wkjtv8vlwngkspz9mhxue69uhkummnw3ezuamfdejj7qg4waehxw309aex2mrp0yhxgctdw4eju6t09uqsuamnwvaz7tmwdaejumr0dshsq9cn9q outlines this well.