Best technical-focused conference nostr:nevent1qqs024v6yqpjp2gmuvu6ye6d4hs0xgzj4k58pgmvae8splhz4k677egpz3mhxue69uhhyetvv9ujuerpd46hxtnfdupzq9thu3vem5gvsc6f3l3uyz7c92h6lq56t9wws0zulzkrgc6nrvymqvzqqqqqqysuz9yl