Marketplace Spec.

Go straight for the good stuff: https://github.com/GammaMarkets/market-spec/blob/main/spec.md

Most of us have adopted it for interoperability. nostr:nprofile1qqsfmys8030rttmk77cumprnsqqt0whmg0fqkz3xcx8798ag8rf8z3spzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgqg5waehxw309aex2mrp0yhxgctdw4eju6t05tz7aq nostr:nprofile1qqs2xugc5jyguqkj36rk0syv4tmnkjdtmtperttl7x9rqjy3ustdcvcppemhxue69uhkummn9ekx7mp0qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7xwg6dx nostr:nprofile1qqsvswpas8wjgsr8gkmggzd7grt8y8pszq55vsr8lnzs5fwalyfe2jgpr9mhxue69uhkcctwvuh8yetvv9uhxtnvv9hxgtmwdsqs6amnwvaz7tmwdaejumr0dsfjfjk9 all adopted it, and nostr:npub1market6g3zl4mxwx5ugw56hfg0f7dy7jnnw8t380788mvdyrnwuqgep7hd is transitioning to it