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between words and no period at the end.",{"kind":441,"text":450,"source":411,"shared":415},"First three digits of MD5 hash: e7a","{\n  \"id\": \"quizchain2\u002F5\",\n  \"chain\": \"bitcoin\",\n  \"address\": {\n    \"value\": \"18ufPz33qyBDAHxhxtAMrze5yq3abJh39b\",\n    \"kind\": \"p2pkh\",\n    \"hash160\": \"56be8fe4f52f11097ac4d04a6baaf867a654cc1c\"\n  },\n  \"status\": \"solved\",\n  \"pubkey\": {\n    \"value\": \"031b83ff60f6c90c2de6cb4c974d21d9fa45ede95d3109337a12f5e9d7693ec548\",\n    \"format\": \"compressed\"\n  },\n  \"key\": {\n    \"wif\": {\n      \"decrypted\": \"L1FbCRrq4fcMc7Lrk5avV3uGWUhtAZGyaTkqzWVdAc5NbYiyvrWJ\"\n    },\n    \"seed\": {\n      \"entropy\": {\n        \"hash\": \"e7a18731a7a9520baec7a428adbd50af\",\n        \"source\": {\n          \"url\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\",\n          \"description\": \"MD5 of the five words\"\n        }\n      }\n    },\n    \"derived\": true\n  },\n  \"prize\": 0.007,\n  \"start_date\": \"2019-05-14 21:58:48\",\n  \"solve_date\": \"2019-05-14 21:58:48\",\n  \"solve_time\": 0,\n  \"source_url\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\",\n  \"transactions\": [\n    {\n      \"tx_type\": \"funding\",\n      \"txid\": \"0dcc393425a6cd5b5266a7275e08c98fbd6c14b9b9518eb8020c34c39a655e18\",\n      \"date\": \"2019-05-14 21:58:48\",\n      \"amount\": 0.007\n    },\n    {\n      \"tx_type\": \"claim\",\n      \"txid\": \"360d1f004018776a111c17a182cbf5323c79a5abe8d829f20ddbb97825ba0da2\",\n      \"date\": \"2019-05-14 21:58:48\",\n      \"amount\": 0.00695949\n    }\n  ],\n  \"hints\": [\n    {\n      \"kind\": \"official\",\n      \"text\": \"Question: Five words.\",\n      \"source\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\",\n      \"answer\": {\n        \"text\": \"Solution was \\\"bat bot bit bet but\\\".\",\n        \"source\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\"\n      }\n    },\n    {\n      \"kind\": \"official\",\n      \"text\": \"Format: [word1 word2 word3 word4 word5]\",\n      \"source\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\"\n    },\n    {\n      \"kind\": \"official\",\n      \"text\": \"One space between words and no period at the end.\",\n      \"source\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\"\n    },\n    {\n      \"kind\": \"official\",\n      \"text\": \"First three digits of MD5 hash: e7a\",\n      \"source\": \"https:\u002F\u002Fwww.reddit.com\u002Fr\u002Fbitcoinpuzzles\u002Fcomments\u002Fboil0p\u002F7_mbtc_quizchain2_block_5\u002F\"\n    }\n  ]\n}","quizchain2\u002F4","quizchain2\u002F6",5,10,{"id":457,"title":414,"body":458,"description":512,"extension":516,"meta":517,"navigation":416,"path":518,"seo":519,"stem":394,"__hash__":520},"stories\u002Fquizchain2\u002F5.md",{"type":459,"value":460,"toc":511},"minimark",[461,466,475,486,489,493,496,504],[462,463,465],"h2",{"id":464},"five-words-five-vowels","Five words, five vowels",[467,468,469,470,474],"p",{},"May 14. \"Five words.\" One space between them, no period. MD5 prefix ",[471,472,473],"code",{},"e7a",". No TOMI, no link. The author checked the entropy and thought it was safe.",[467,476,477,478,481,482,485],{},"u\u002FBrainForceOne had it in 25 minutes: ",[471,479,480],{},"bat bot bit bet but",". How? Block 49 of the first run used ",[471,483,484],{},"hat hot hit",". They'd already wondered whether it extends to every vowel. \"So I had the solution in my mind before block 5 was posted.\" Sixth try.",[467,487,488],{},"The author's favorite detail: the \"bit\" in Bitcoin works with almost every vowel. Only Y is missing.",[462,490,492],{"id":491},"stuck-in-the-mempool","Stuck in the mempool",[467,494,495],{},"Then the money got stuck. The author sent the funding transaction ten minutes before posting, with the default fee. It didn't confirm. BrainForceOne's claim spent that unconfirmed output, also with a low fee, from a phone.",[467,497,498,499,503],{},"Hours later BrainForceOne wrote that someone tried a double spend with a 2 mBTC fee. Can't trust people, right? The double spend didn't land. Both the funding and the claim confirmed in the same block, at ",[500,501,502],"strong",{},"21:58:48 UTC",". So the chain says the block was solved in zero seconds. Technically correct.",[467,505,506,507,510],{},"The claim pays ",[471,508,509],{},"1Thanksg9t4MRoCH2CM3cArWq26JiNvMY",", and BrainForceOne says it's theirs. The author: \"Nice vanity address there :)\"",{"title":512,"searchDepth":412,"depth":412,"links":513},"",[514,515],{"id":464,"depth":412,"text":465},{"id":491,"depth":412,"text":492},"md",{},"\u002Fquizchain2\u002F5",{"description":512},"URD9o_TgJw7Qp_l0qY9YMLzgztC_zChFy13qsw6yKYg",1790876849684]