{"id":18910,"date":"2022-06-30T07:18:09","date_gmt":"2022-06-29T22:18:09","guid":{"rendered":"https:\/\/sipo.tokyo\/?p=18910"},"modified":"2022-07-05T01:14:53","modified_gmt":"2022-07-04T16:14:53","slug":"post-18910","status":"publish","type":"post","link":"https:\/\/sipo.tokyo\/?p=18910","title":{"rendered":"IOG\u306e\u7814\u7a76\u8ad6\u6587\u300cOfelimos: Proof-of-Useful-Work\u306b\u3088\u308b\u7d44\u5408\u305b\u6700\u9069\u5316\uff1aA Provably Secure Blockchain Protocol\u300d\u304cCrypto 2022\u306b\u63a1\u629e"},"content":{"rendered":"\n<p class=\"\">IOG\u306e\u7814\u7a76\u8ad6\u6587\u300cOfelimos: Proof-of-Useful-Work\u306b\u3088\u308b\u7d44\u5408\u305b\u6700\u9069\u5316\u3002A Provably Secure Blockchain Protocol\u300d\u304cCrypto 2022\u306b\u63a1\u629e\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Minimizing the energy cost and carbon footprint \ud83d\udc63 of the <a href=\"https:\/\/twitter.com\/hashtag\/Bitcoin?src=hash&amp;ref_src=twsrc%5Etfw\">#Bitcoin<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/blockchain?src=hash&amp;ref_src=twsrc%5Etfw\">#blockchain<\/a> and related protocols remains one of the most widely identified open questions in the <a href=\"https:\/\/twitter.com\/hashtag\/cryptocurrency?src=hash&amp;ref_src=twsrc%5Etfw\">#cryptocurrency<\/a> space.<br>\ud83e\uddf51\/4<\/p>&mdash; Input Output (@InputOutputHK) <a href=\"https:\/\/twitter.com\/InputOutputHK\/status\/1542166680071278594?ref_src=twsrc%5Etfw\">June 29, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"\">\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u3068\u95a2\u9023\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u30b3\u30b9\u30c8\u3068\u30ab\u30fc\u30dc\u30f3\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3092\u6700\u5c0f\u5316\u3059\u308b\u3053\u3068\u306f\u3001\u6697\u53f7\u901a\u8ca8\u5206\u91ce\u3067\u6700\u3082\u5e83\u304f\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u672a\u89e3\u6c7a\u554f\u984c\u306e1\u3064\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"\">\u30ca\u30ab\u30e2\u30c8\u306e\u6700\u9577\u9023\u9396\u30d7\u30ed\u30c8\u30b3\u30eb\u306ePoW\uff08proof-of-work\uff09\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u3092PoUW\uff08proof of useful work\uff09\u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u306f\u3001\u591a\u304f\u306e\u70b9\u3067\u7406\u60f3\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u9577\u304f\u7406\u8ad6\u3065\u3051\u3089\u308c\u3066\u304d\u305f\u304c\u3001\u4eca\u65e5\u307e\u3067\u3001\u3053\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u306b\u306f\u7d0d\u5f97\u3067\u304d\u308b\u5b89\u5168\u306a\u5b9f\u73fe\u304c\u306a\u3044\u307e\u307e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"\">\u3068\u3044\u3046\u3053\u3068\u3067\u3001IOG\u306e\u7814\u7a76\u8ad6\u6587\u300cOfelimos: Proof-of-Useful-Work\u306b\u3088\u308b\u7d44\u5408\u305b\u6700\u9069\u5316\u3002A Provably Secure Blockchain Protocol\u300d\u304cCrypto 2022\u306b\u63a1\u629e\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"\">Crypto 2022\u306e\u63a1\u629e\u8ad6\u6587\uff1a\u7b2c42\u56de\u56fd\u969b\u6697\u53f7\u5b66\u4f1a\u8b70<br><a href=\"http:\/\/crypto.iacr.org\" data-type=\"URL\" data-id=\"crypto.iacr.org\" target=\"_blank\" rel=\"noreferrer noopener\">crypto.iacr.org<\/a><\/p>\n\n\n\n<p class=\"\">\u3053\u306e\u8ad6\u6587\u3067\u30c1\u30fc\u30e0\u306f\u3001\u5408\u610f\u5f62\u6210\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5206\u6563\u578b\u6700\u9069\u5316\u554f\u984c\u30bd\u30eb\u30d0\u30fc\uff08\u8907\u6570\u306e\u5909\u6570\u3092\u542b\u3080\u6570\u5f0f\u306b\u304a\u3044\u3066\u3001\u76ee\u6a19\u3068\u3059\u308b\u5024\u3092\u5f97\u308b\u305f\u3081\u306e\u3001\u6700\u9069\u306a\u5909\u6570\u306e\u5024\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6a5f\u80fd\u306e\u3053\u3068\uff09\u3092\u540c\u6642\u306b\u5b9f\u73fe\u3059\u308b\u3001\u65b0\u3057\u3044PoUW\u30d9\u30fc\u30b9\u306e\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308bOfelimos\u3092\u767a\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"\">\u8ad6\u6587\u306f\u3053\u3061\u3089\u304b\u3089\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\uff1a <a rel=\"noreferrer noopener\" href=\"https:\/\/iohk.link\/ofelimos\" target=\"_blank\">https:\/\/iohk.link\/ofelimos<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"IOG\u306e\u7814\u7a76\u8ad6\u6587\u300cOfelimos: Proof-of-Useful-Work\u306b\u3088\u308b\u7d44\u5408\u305b\u6700\u9069\u5316\u3002A Provably Secure Blockchain Protocol\u300d\u304cCrypto 2022\u306b\u63a1\u629e\u3055\u308c\u307e\u3057\u305f\u3002 https:\/\/twitter.com\/InputOutputHK\/status\/1542166680071278594?s=20&amp;t=x1FMdp8KWPZSZ_CJE5QUPQ \u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u3068\u95a2\u9023\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u30b3\u30b9\u30c8\u3068\u30ab\u30fc\u30dc\u30f3\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3092\u6700\u5c0f\u5316\u3059\u308b\u3053\u3068\u306f\u3001\u6697\u53f7\u901a\u8ca8\u5206\u91ce\u3067\u6700\u3082\u5e83\u304f\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u672a\u89e3\u6c7a\u554f\u984c\u306e1\u3064\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002 \u30ca\u30ab\u30e2\u30c8\u306e\u6700\u9577\u9023\u9396\u30d7\u30ed\u30c8\u30b3\u30eb\u306ePoW\uff08proof-of&hellip;","protected":false},"author":1,"featured_media":18911,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,35,28,1,38],"tags":[],"class_list":{"0":"post-18910","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-21","8":"category-blog","9":"category-28","10":"category-japanese","11":"category-38"},"featured_image_urls":{"full":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58.png",2868,1464,false],"thumbnail":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-150x150.png",150,150,true],"medium":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-300x153.png",300,153,true],"medium_large":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-768x392.png",768,392,true],"large":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-1024x523.png",900,460,true],"1536x1536":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-1536x784.png",1536,784,true],"2048x2048":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-2048x1045.png",2048,1045,true],"dp-widget-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-140x96.png",140,96,true],"dp-widget-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-280x192.png",280,192,true],"dp-related-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-250x154.png",250,154,true],"dp-related-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-500x308.png",500,308,true],"dp-archive-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-450x230.png",450,230,true],"dp-archive-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2022\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2022-06-30-7.16.58-900x459.png",900,459,true]},"category_list":"<a href=\"https:\/\/sipo.tokyo\/?cat=21\" rel=\"category\">\u30cb\u30e5\u30fc\u30b9<\/a>, <a href=\"https:\/\/sipo.tokyo\/?cat=35\" rel=\"category\">\u30d6\u30ed\u30b0<\/a>, <a href=\"https:\/\/sipo.tokyo\/?cat=28\" rel=\"category\">\u6295\u7a3f\u8a18\u4e8b<\/a>, <a href=\"https:\/\/sipo.tokyo\/?cat=1\" rel=\"category\">\u65e5\u672c\u8a9e\u7248<\/a>, <a href=\"https:\/\/sipo.tokyo\/?cat=38\" rel=\"category\">\u7ffb\u8a33<\/a>","author_info":{"name":"sition","url":"https:\/\/sipo.tokyo\/?author=1"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts\/18910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18910"}],"version-history":[{"count":5,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts\/18910\/revisions"}],"predecessor-version":[{"id":19024,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts\/18910\/revisions\/19024"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/media\/18911"}],"wp:attachment":[{"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}