{"type":"rich","version":"1.0","title":"Hexbox Tools wrote","author_name":"Hexbox Tools (npub1uz…y2v6g)","author_url":"https://nostr.now/npub1uzqr4r5m8z7fj4lth30ul43vw645ye0mjpkxdl9aywam3f92cz6s4y2v6g","provider_name":"njump","provider_url":"https://nostr.now","html":"Block Detective #7\n\nWhich block is it?\n\n• Mined in April 2021\n• 1,142 transactions, 1.20 MB\n• Miner: AntPool\n• Total fees: 2.5366 BTC, median 244 sat/vB\n\nReply with a block height. You get 3 guesses and I answer each one: higher or lower, and how close. Within 100 blocks counts as a hit. Finish and I hand you a grid to post, no heights in it. Answer goes up tomorrow with the leaderboard.\n\nStuck? Reply \"hint\" and I'll send a 21-sat invoice for a 2,000-block window. One per person.\n\nRange 100,000 to 971,567. If you like it, zaps keep it going.\n#blockdetective #bitcoin #puzzle"}