I was summarizing my last #soveng demo day, and instead of pushing everything to GitHub, I thought about making my first-ever Nostr long-form post. So here it is: about geohash filtering in Nostr relays. In the age of lavish LLMs, my writing style tends to go to the other extreme, making everything as compact as I can. I hope this form of text compression is lossless, but if not, you can always use LLMs to reconstruct the original 😁

Geohash Prefix Filter for Nostr Relays

Current Nostr relays can’t efficiently query hierarchical or spatial data like geohashes. This limits map applications that need to find events b...