{"id":42207,"date":"2025-07-03T04:34:58","date_gmt":"2025-07-02T19:34:58","guid":{"rendered":"https:\/\/sipo.tokyo\/?p=42207"},"modified":"2025-07-03T04:34:58","modified_gmt":"2025-07-02T19:34:58","slug":"post-42207","status":"publish","type":"post","link":"https:\/\/sipo.tokyo\/?p=42207","title":{"rendered":"IOG\u30d6\u30ed\u30b0\uff1aInput | Output\u304cEurocrypt \u201925\u306b\u3066\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u5171\u50ac"},"content":{"rendered":"\n<div class=\"dp_toc_container pos-before_first_h allow-toggle\" role=\"navigation\" data-margin=\"30\"><p class=\"toc_title_block\"><span class=\"toc_title icon-list\">INDEX<\/span><span class=\"toc_toggle icon-up-open\" role=\"button\"><\/span><\/p><ul class=\"dp_toc_ul has_title\"><li><a href=\"#ctb25e383ace3839de383bce38388efbc9aioe3818ce585b1e582ace38199e3828beurocrypte383afe383bce382afe382b7e383a7e38383e38397e381a7e6b5ae-1\">CTB\u201925\u30ec\u30dd\u30fc\u30c8\uff1aIO\u304c\u5171\u50ac\u3059\u308bEurocrypt\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3067\u6d6e\u304b\u3073\u4e0a\u304c\u3063\u305f\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6697\u53f7\u306e\u6700\u524d\u7dda<\/a><\/li><li><a href=\"#input-outpute38081eurocrypt-25e381abe381a6e3808ce38396e383ade38383e382afe38381e382a7e383bce383b3e381aee3819fe38281e381aee69a97e58fb7-2\">Input | Output\u3001Eurocrypt \u201825\u306b\u3066\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u5171\u50ac<\/a><ul><li><a href=\"#ctbe383afe383bce382afe382b7e383a7e38383e38397e29480e29480e38396e383ade38383e382afe38381e382a7e383bce383b3e69a97e58fb7e381aee5898d-3\">CTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u2500\u2500\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6697\u53f7\u306e\u524d\u9032<\/a><\/li><li><a href=\"#ctb25-e381abe3818ae38191e3828be4b8bbe8a681e381aae68a80e8a193e79a84e3838fe382a4e383a9e382a4e38388-4\">CTB\u201925 \u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u6280\u8853\u7684\u30cf\u30a4\u30e9\u30a4\u30c8<\/a><\/li><li><a href=\"#e68b9be5be85e59fbae8aabfe8ac9be6bc94e381a8e382b3e3839fe383a5e3838be38386e382a3e381aee4baa4e6b581-5\">\u62db\u5f85\u57fa\u8abf\u8b1b\u6f14\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u4ea4\u6d41<\/a><\/li><li><a href=\"#e4bb8ae5be8ce381aee5b195e69c9b-6\">\u4eca\u5f8c\u306e\u5c55\u671b<\/a><\/li><\/ul><\/div><h3 class=\"wp-block-heading deb-block deb-block-564d214\" id=\"ctb25e383ace3839de383bce38388efbc9aioe3818ce585b1e582ace38199e3828beurocrypte383afe383bce382afe382b7e383a7e38383e38397e381a7e6b5ae-1\"><strong>CTB\u201925\u30ec\u30dd\u30fc\u30c8\uff1aIO\u304c\u5171\u50ac\u3059\u308bEurocrypt\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3067\u6d6e\u304b\u3073\u4e0a\u304c\u3063\u305f\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6697\u53f7\u306e\u6700\u524d\u7dda<\/strong><\/h3>\n\n\n\n<p class=\"deb-block deb-block-72de47b\">2025\u5e745\u6708\u3001\u30b9\u30da\u30a4\u30f3\u30fb\u30de\u30c9\u30ea\u30fc\u30c9\u3067\u958b\u50ac\u3055\u308c\u305f\u4e16\u754c\u6709\u6570\u306e\u6697\u53f7\u5b66\u4f1a\u8b70\u300cEurocrypt 2025\u300d\u306b\u304a\u3044\u3066\u3001Input Output\uff08IO\uff09\u306f\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\uff08CTB\uff09\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u5171\u50ac\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u6a21\u69d8\u3092IOG\u304c\u30d6\u30ed\u30b0\u8a18\u4e8b\u300c<a href=\"https:\/\/iohk.io\/en\/blog\/posts\/2025\/07\/01\/input-output-co-hosts-cryptographic-tools-for-blockchains-workshop-at-eurocrypt-25\/\" data-type=\"link\" data-id=\"https:\/\/iohk.io\/en\/blog\/posts\/2025\/07\/01\/input-output-co-hosts-cryptographic-tools-for-blockchains-workshop-at-eurocrypt-25\/\">Input | Output co-hosts \u2018Cryptographic tools for blockchains\u2019 workshop at Eurocrypt \u201825<\/a>\u300d\u3092\u516c\u958b\u3057\u3066\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-1587ada\"><strong>\u3010Eurocrypt\u3068\u306f\uff1f\u3011<\/strong><\/p>\n\n\n\n<p class=\"deb-block deb-block-acb943b\">Eurocrypt\u306f\u3001\u56fd\u969b\u6697\u53f7\u7814\u7a76\u5354\u4f1a\uff08IACR\uff09\u304c\u4e3b\u50ac\u3059\u308b\u5e74\u6b21\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3001\u4eca\u56de\u304c\u7b2c44\u56de\u3002\u4e16\u754c\u4e2d\u304b\u3089650\u4eba\u4ee5\u4e0a\u306e\u7814\u7a76\u8005\u3084\u6280\u8853\u8005\u304c\u96c6\u307e\u308a\u3001\u6697\u53f7\u5b66\u306e\u7406\u8ad6\u304b\u3089\u5fdc\u7528\u307e\u3067\u5e45\u5e83\u3044\u30c6\u30fc\u30de\u304c\u8b70\u8ad6\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-3fd5f47\">\u63a1\u629e\u7387\u306f\u6975\u3081\u3066\u4f4e\u304f\u3001624\u4ef6\u306e\u6295\u7a3f\u306e\u3046\u3061\u63a1\u629e\u3055\u308c\u305f\u306e\u306f123\u4ef6\u306e\u307f\u3002\u8b1b\u6f14\u306fSpringer\u793e\u306e\u300eLecture Notes in Computer Science\u300f\u3068\u3057\u3066\u51688\u5dfb\u306b\u307e\u3068\u3081\u3089\u308c\u307e\u3057\u305f\u3002\u6ce8\u76ee\u7814\u7a76\u306b\u306f\u3001IBM\u306b\u3088\u308bSNOVA\u306e\u6697\u53f7\u89e3\u6790\u3084\u3001\u9ad8\u6b21\u5143\u30a2\u30a4\u30bd\u30b8\u30a7\u30cb\u30fc\u3092\u6d3b\u7528\u3057\u305f\u65b0\u3057\u3044\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-394d6e9\"><strong>\u3010CTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3068\u306f\uff1f\u3011<\/strong><\/p>\n\n\n\n<p class=\"deb-block deb-block-ce71977\">CTB\uff08Cryptographic Tools for Blockchains\uff09\u306f\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u56fa\u6709\u306e\u8ab2\u984c\u306b\u7279\u5316\u3057\u305f\u6697\u53f7\u7814\u7a76\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3067\u3059\u3002\u4eca\u56de\u304c\u7b2c2\u56de\u3067\u3001\u521d\u56de\u306f2024\u5e74\u306b\u30b9\u30a4\u30b9\u30fb\u30c1\u30e5\u30fc\u30ea\u30c3\u30d2\u3067\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002CTB\u306e\u7279\u5fb4\u306f\u300c\u4e88\u7a3f\u306a\u3057\u300d\u300c\u767a\u8868\u4e2d\u5fc3\u300d\u306e\u81ea\u7531\u306a\u5f62\u5f0f\u3002\u4eca\u56de\u306f\u3001\u30b9\u30da\u30a4\u30f3\u56fd\u7acb\u7814\u7a76\u8a55\u8b70\u4f1a\uff08CSIC\uff09\u3068\u30de\u30e9\u30ac\u5927\u5b66\u3068\u5171\u306b\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-3648820\"><strong>\u3010CTB\u201925\u306e\u69cb\u6210\u3068\u5185\u5bb9\u3011<\/strong><\/p>\n\n\n\n<p class=\"deb-block deb-block-4bc89ce\">CTB\u201925\u3067\u306f\u3001\u5408\u8a0810\u4ef6\u306e\u8b1b\u6f14\uff08\u4e00\u822c\u767a\u88688\u4ef6\u3001\u57fa\u8abf\u8b1b\u6f142\u4ef6\uff09\u304c\u884c\u308f\u308c\u3001\u4ee5\u4e0b\u306e3\u30c6\u30fc\u30de\u306b\u5206\u985e\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<p class=\"deb-block deb-block-d0505a1\"><strong>\u2460 \u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u3068\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list wp-block-list list-col-1 inline-img-left deb-block deb-block-9efe334\">\n<li class=\"\"><strong>\u6642\u9593\u6761\u4ef6\u4ed8\u304d\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5f62\u5f0f\u691c\u8a3c<\/strong>\uff08Tamarin\u30d9\u30fc\u30b9\uff09<\/li>\n\n\n\n<li class=\"\"><strong>\u6e96\u540c\u578bWitness Encryption\u306b\u3088\u308b\u30bb\u30ad\u30e5\u30a2\u6295\u7968\u30fb\u30aa\u30fc\u30af\u30b7\u30e7\u30f3\u5411\u3051\u6697\u53f7<\/strong><\/li>\n\n\n\n<li class=\"\"><strong>\u52d5\u7684FROST\uff1a\u3057\u304d\u3044\u5024\u7f72\u540d\u306e\u67d4\u8edf\u904b\u7528\u306b\u3088\u308b\u5206\u6563\u30ac\u30d0\u30ca\u30f3\u30b9\u652f\u63f4<\/strong><\/li>\n\n\n\n<li class=\"\"><strong>Jigsaw\uff1a\u30aa\u30f3\u30c1\u30a7\u30fc\u30f3\u30fb\u30aa\u30d5\u30c1\u30a7\u30fc\u30f3\u4e21\u65b9\u3067\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u5b88\u308b\u30b9\u30de\u30fc\u30c8\u30b3\u30f3\u30c8\u30e9\u30af\u30c8\u8a2d\u8a08<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"deb-block deb-block-1887a2e\"><strong>\u2461 \u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list wp-block-list list-col-1 inline-img-left deb-block deb-block-8354fe7\">\n<li class=\"\"><strong>Proofs of Space\u306b\u3088\u308bSybil\u653b\u6483\u5bfe\u7b56\u578bDHT\u4fdd\u8b77\u6280\u8853<\/strong><\/li>\n\n\n\n<li class=\"\"><strong>\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u578b\u30ca\u30ab\u30e2\u30c8\u30fb\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u306e\u5206\u985e\u3068\u5fdc\u7528\uff08PoW\u3001PoSpace\u3001\u9010\u6b21\u8a55\u4fa1\uff09<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"deb-block deb-block-fb64848\"><strong>\u2462 \u6642\u9593\u95a2\u9023\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list wp-block-list list-col-1 inline-img-left deb-block deb-block-bb5be54\">\n<li class=\"\"><strong>\u8ffd\u8de1\u53ef\u80fd\u306aVRF\uff08Verifiable Random Functions\uff09\u306b\u3088\u308b\u8aac\u660e\u8cac\u4efb\u306e\u5b9f\u73fe<\/strong><\/li>\n\n\n\n<li class=\"\"><strong>\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u00d7ID\u30d9\u30fc\u30b9\u6697\u53f7\uff08IBE\uff09\u306b\u3088\u308b\u6642\u9593\u89e3\u653e\u6697\u53f7\u306e\u6d3b\u7528\u63d0\u6848<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-c14e993\"><strong>\u3010\u62db\u5f85\u57fa\u8abf\u8b1b\u6f14\u306e\u5185\u5bb9\u3011<\/strong><\/p>\n\n\n\n<p class=\"deb-block deb-block-08a2fb9\">CTB\u201925\u3067\u306f\u4ee5\u4e0b\u306e2\u540d\u304c\u62db\u5f85\u8b1b\u6f14\u3092\u5b9f\u65bd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list wp-block-list list-col-1 inline-img-left deb-block deb-block-6cb564c\">\n<li class=\"\"><strong>Nicola Greco\uff08FileOz\uff09<\/strong> \u300cPublic Good Crypto\u300d\u3068\u984c\u3057\u3066\u3001\u30c7\u30b8\u30bf\u30eb\u4eba\u6a29\u4fdd\u8b77\u3084\u6697\u53f7\u7814\u7a76\u306e\u30e9\u30b9\u30c8\u30de\u30a4\u30eb\u3078\u306e\u8cc7\u91d1\u652f\u63f4\u306e\u73fe\u72b6\u3092\u89e3\u8aac\u3002<\/li>\n\n\n\n<li class=\"\"><strong>Daniel Slamanig\uff08\u30df\u30e5\u30f3\u30d8\u30f3\u9023\u90a6\u8ecd\u5927\u5b66\uff09<\/strong> \u300c\u533f\u540d\u8a8d\u8a3c\u306e\u904e\u53bb\u30fb\u73fe\u5728\u30fb\u672a\u6765\u300d\u3068\u984c\u3057\u3066\u3001EU\u306e\u30c7\u30b8\u30bf\u30ebID\u5236\u5ea6\u3084SSI\uff08\u81ea\u5df1\u4e3b\u6a29\u578bID\uff09\u3068\u306e\u9023\u643a\u3092\u542b\u3081\u305f\u5e83\u7bc4\u306a\u30ec\u30d3\u30e5\u30fc\u3092\u63d0\u4f9b\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"deb-block deb-block-545a7cd\">\u3053\u308c\u3089\u306e\u8b1b\u6f14\u306f\u6d3b\u767a\u306aQ&amp;A\u3084\u30aa\u30d5\u30e9\u30a4\u30f3\u4ea4\u6d41\u306b\u767a\u5c55\u3057\u3001\u7d0450\u540d\u306e\u53c2\u52a0\u8005\u304c1\u65e5\u3092\u901a\u3058\u3066\u6fc3\u5bc6\u306a\u8b70\u8ad6\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-abf1031\"><strong>\u3010\u4eca\u5f8c\u306e\u5c55\u671b\u3068IO\u306e\u59ff\u52e2\u3011<\/strong><\/p>\n\n\n\n<p class=\"deb-block deb-block-a5a026d\">CTB\u30b7\u30ea\u30fc\u30ba\u306f\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306b\u304a\u3051\u308b\u6697\u53f7\u6280\u8853\u306e\u5b89\u5168\u6027\u30fb\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u30fb\u6a5f\u80fd\u6027\u3092\u9ad8\u3081\u308b\u91cd\u8981\u306a\u4ea4\u6d41\u306e\u5834\u3068\u3057\u3066\u4eca\u5f8c\u3082\u7d9a\u304d\u307e\u3059\u3002IO\u306f\u4eca\u5f8c\u306eCTB\u958b\u50ac\u306b\u3082\u7d99\u7d9a\u7684\u306b\u95a2\u4e0e\u3057\u3001\u5206\u6563\u578b\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u9032\u5316\u3092\u652f\u3048\u308b\u7814\u7a76\u652f\u63f4\u3092\u7d9a\u3051\u3066\u3044\u304f\u3068\u660e\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-0c235d7\">CTB\u201925\u306f\u3001\u6700\u5148\u7aef\u306e\u6697\u53f7\u7814\u7a76\u3092\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u672a\u6765\u3078\u3068\u63a5\u7d9a\u3059\u308b\u91cd\u8981\u306a\u4ea4\u5dee\u70b9\u3067\u3057\u305f\u3002\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3084\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3001\u30ac\u30d0\u30ca\u30f3\u30b9\u3068\u3044\u3063\u305f\u8ab2\u984c\u306b\u5bfe\u3057\u3066\u3001\u6280\u8853\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u89e3\u6c7a\u304c\u63d0\u793a\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u2500\u2500\u3002CTB\u30b7\u30ea\u30fc\u30ba\u306e\u4eca\u5f8c\u306e\u52d5\u5411\u306f\u3001Cardano\u3092\u542b\u3080\u5168\u3066\u306e\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3064\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"deb-block deb-block-8277795\">\u4ee5\u4e0b\u306fIOG\u30d6\u30ed\u30b0\u300c<a href=\"https:\/\/iohk.io\/en\/blog\/posts\/2025\/07\/01\/input-output-co-hosts-cryptographic-tools-for-blockchains-workshop-at-eurocrypt-25\/\" data-type=\"link\" data-id=\"https:\/\/iohk.io\/en\/blog\/posts\/2025\/07\/01\/input-output-co-hosts-cryptographic-tools-for-blockchains-workshop-at-eurocrypt-25\/\">Input | Output co-hosts \u2018Cryptographic tools for blockchains\u2019 workshop at Eurocrypt \u201825<\/a>\u300d\u3092\u7ffb\u8a33\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading deb-block deb-block-a3ccb67\" id=\"input-outpute38081eurocrypt-25e381abe381a6e3808ce38396e383ade38383e382afe38381e382a7e383bce383b3e381aee3819fe38281e381aee69a97e58fb7-2\">Input | Output\u3001Eurocrypt \u201825\u306b\u3066\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u5171\u50ac<\/h3>\n\n\n\n<p class=\"deb-block deb-block-8f8b8e3\">\u300cEurocrypt \u201825\uff08\u7b2c44\u56de\u56fd\u969b\u6697\u53f7\u7406\u8ad6\u304a\u3088\u3073\u5fdc\u7528\u6280\u8853\u4f1a\u8b70\uff09\u300d\u306f\u30012025\u5e745\u67084\u65e5\u304b\u30898\u65e5\u306b\u304b\u3051\u3066\u30b9\u30da\u30a4\u30f3\u30fb\u30de\u30c9\u30ea\u30fc\u30c9\u306b\u3066\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002\u4e3b\u50ac\u306f\u56fd\u969b\u6697\u53f7\u7814\u7a76\u5354\u4f1a\uff08IACR\uff09\u3067\u3042\u308a\u3001\u672c\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u306f\u4e16\u754c\u6709\u6570\u306e\u6697\u53f7\u5b66\u4f1a\u8b70\u3068\u3057\u3066\u77e5\u3089\u308c\u3001650\u4eba\u3092\u8d85\u3048\u308b\u7814\u7a76\u8005\u304a\u3088\u3073\u696d\u754c\u95a2\u4fc2\u8005\u304c\u4e16\u754c\u5404\u5730\u304b\u3089\u96c6\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-860015f\">\uff082025\u5e747\u67081\u65e5\u3000\u8457\uff1a\u30d8\u30b9\u30b9\u30fb\u30c7\u30a3\u30a2\u30b9\u30fb\u30d3\u30b3\uff09<\/p>\n\n\n\n<p class=\"deb-block deb-block-130453e\">\u672c\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u306f\u975e\u5e38\u306b\u7af6\u4e89\u306e\u6fc0\u3057\u3044\u5be9\u67fb\u30d7\u30ed\u30bb\u30b9\u304c\u884c\u308f\u308c\u3001624\u4ef6\u306e\u6295\u7a3f\u306e\u3046\u3061\u3001\u63a1\u629e\u3055\u308c\u305f\u8ad6\u6587\u306f\u308f\u305a\u304b123\u4ef6\u3067\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u6210\u679c\u306f\u3001Springer\u793e\u304c\u767a\u884c\u3059\u308b\u300eLecture Notes in Computer Science\u300f\u30b7\u30ea\u30fc\u30ba\u306e8\u5dfb\u306b\u307e\u3068\u3081\u3089\u308c\u3001\u5bfe\u8c61\u5206\u91ce\u306f\u30bb\u30ad\u30e5\u30a2\u306a\u30de\u30eb\u30c1\u30d1\u30fc\u30c6\u30a3\u8a08\u7b97\u3001\u516c\u958b\u9375\u6697\u53f7\u3001\u9ad8\u5ea6\u306a\u6697\u53f7\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u30bc\u30ed\u77e5\u8b58\u8a3c\u660e\u3001\u5fdc\u7528\u6697\u53f7\u5b66\u306a\u3069\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-96871cf\">\u6ce8\u76ee\u3059\u3079\u304d\u6210\u679c\u3068\u3057\u3066\u306f\u3001IBM\u306b\u3088\u308bSNOVA\u306e\u6697\u53f7\u89e3\u8aad\u306b\u95a2\u3059\u308b\u7814\u7a76\u3084\u3001\u9ad8\u6b21\u5143\u30a2\u30a4\u30bd\u30b8\u30a7\u30cb\u30fc\u3092\u6d3b\u7528\u3057\u305f\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u516c\u958b\u9375\u6697\u53f7\u65b9\u5f0f\u306e\u958b\u767a\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u672c\u30a4\u30d9\u30f3\u30c8\u306f\u3001IMDEA\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7814\u7a76\u6240\u3001\u30de\u30c9\u30ea\u30fc\u30c9\u30fb\u30ab\u30eb\u30ed\u30b93\u4e16\u5927\u5b66\u3001\u30de\u30c9\u30ea\u30fc\u30c9\u30fb\u30b3\u30f3\u30d7\u30eb\u30c6\u30f3\u30bb\u5927\u5b66\u304c\u5171\u540c\u3067\u904b\u55b6\u3057\u3001Apple\u3001Google\u3001Huawei\u3001IBM\u3001\u305d\u3057\u3066Midnight\u3068\u3044\u3063\u305f\u4e3b\u8981\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b9\u30dd\u30f3\u30b5\u30fc\u306b\u3088\u308b\u5bdb\u5927\u306a\u652f\u63f4\u3092\u53d7\u3051\u3066\u5b9f\u65bd\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading deb-block deb-block-abb156a\" id=\"ctbe383afe383bce382afe382b7e383a7e38383e38397e29480e29480e38396e383ade38383e382afe38381e382a7e383bce383b3e69a97e58fb7e381aee5898d-3\">CTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u2500\u2500\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6697\u53f7\u306e\u524d\u9032<\/h4>\n\n\n\n<p class=\"deb-block deb-block-82418a0\">Input | Output\uff08IO\uff09\u306f\u3001\u30b9\u30da\u30a4\u30f3\u306b\u304a\u3051\u308b\u6d3b\u52d5\u57fa\u76e4\u3092\u6d3b\u304b\u3057\u3066\u3001\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\uff08Cryptographic Tools for Blockchains\uff1aCTB\u201925\uff09\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306e\u5171\u50ac\u3092Eurocrypt\u306e\u30b5\u30c6\u30e9\u30a4\u30c8\u30a4\u30d9\u30f3\u30c8\u3068\u3057\u3066\u652f\u63f4\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306f\u3001\u30b9\u30a4\u30b9\u30fb\u30c1\u30e5\u30fc\u30ea\u30c3\u30d2\u3067\u958b\u50ac\u3055\u308c\u305f\u521d\u56deCTB\u201924\u306b\u7d9a\u304f\u30b7\u30ea\u30fc\u30ba\u7b2c2\u5f3e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-2e6cece\">CTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306f\u3001\u8457\u540d\u306a\u7814\u7a76\u6a5f\u95a2\u3068\u306e\u5354\u529b\u306e\u3082\u3068\u3067\u958b\u50ac\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306eCTB\u201925\u3067\u306f\u3001\u30b9\u30da\u30a4\u30f3\u56fd\u7acb\u7814\u7a76\u8a55\u8b70\u4f1a\uff08CSIC\uff09\u304a\u3088\u3073\u30de\u30e9\u30ac\u5927\u5b66\u3068\u306e\u5171\u50ac\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002CTB\u30b7\u30ea\u30fc\u30ba\u306f\u3044\u305a\u308c\u306e\u56de\u3082\u3001\u6b63\u5f0f\u306a\u4e88\u7a3f\u96c6\u3092\u8a2d\u3051\u306a\u3044\u5f62\u5f0f\u3067\u4f01\u753b\u3055\u308c\u3066\u304a\u308a\u3001\u767a\u8868\u8005\u306f\u6700\u5148\u7aef\u306e\u30a2\u30a4\u30c7\u30a2\u3092\u81ea\u7531\u306b\u63d0\u793a\u3057\u3001\u4f1d\u7d71\u7684\u306a\u51fa\u7248\u5f62\u5f0f\u306e\u5236\u7d04\u306b\u7e1b\u3089\u308c\u305a\u3001\u5bfe\u9762\u3067\u306e\u5efa\u8a2d\u7684\u306a\u8b70\u8ad6\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-a38f0b0\">CTB\u201925\u306b\u306f\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6280\u8853\u306e\u6697\u53f7\u57fa\u76e4\u3092\u524d\u9032\u3055\u305b\u3088\u3046\u3068\u3059\u308b\u5e45\u5e83\u3044\u7814\u7a76\u8005\u30fb\u5b9f\u52d9\u5bb6\u5c64\u304c\u96c6\u307e\u308a\u307e\u3057\u305f\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f10\u4ef6\u306e\u8b1b\u6f14\u304c\u542b\u307e\u308c\u3001\u305d\u306e\u5185\u8a33\u306f8\u4ef6\u306e\u30d4\u30a2\u30ec\u30d3\u30e5\u30fc\u4ed8\u304d\u767a\u8868\u30682\u4ef6\u306e\u62db\u5f85\u57fa\u8abf\u8b1b\u6f14\u3067\u3057\u305f\u3002\u8b1b\u6f14\u5185\u5bb9\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u30c6\u30fc\u30de\u9818\u57df\u306b\u5206\u985e\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list wp-block-list list-col-1 inline-img-left deb-block deb-block-174b551\">\n<li class=\"\">\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u304a\u3088\u3073\u30d7\u30ed\u30c8\u30b3\u30eb<\/li>\n\n\n\n<li class=\"\">\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n\n\n\n<li class=\"\">\u6642\u9593\u95a2\u9023\u306e\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6<\/li>\n<\/ol>\n\n\n\n<p class=\"deb-block deb-block-9ccaedc\">\u3053\u306e\u3088\u3046\u306a\u30c6\u30fc\u30de\u5225\u69cb\u6210\u306f\u3001\u6697\u53f7\u7814\u7a76\u304c\u672c\u8cea\u7684\u306b\u5b66\u969b\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u8e0f\u307e\u3048\u3064\u3064\u3001\u8b70\u8ad6\u306e\u4e00\u8cab\u6027\u3092\u4fc3\u9032\u3059\u308b\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading deb-block deb-block-9ff26c7\" id=\"ctb25-e381abe3818ae38191e3828be4b8bbe8a681e381aae68a80e8a193e79a84e3838fe382a4e383a9e382a4e38388-4\"><strong>CTB\u201925 \u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u6280\u8853\u7684\u30cf\u30a4\u30e9\u30a4\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"deb-block deb-block-048798d\">CTB\u201925 \u306b\u304a\u3051\u308b\u4e3b\u8981\u306a\u6280\u8853\u7684\u30cf\u30a4\u30e9\u30a4\u30c8<\/p>\n\n\n\n<p class=\"deb-block deb-block-28f9abb\">\u300c\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u304a\u3088\u3073\u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6ce8\u76ee\u3059\u3079\u304d\u767a\u8868\u304c\u3042\u308a\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<p class=\"deb-block deb-block-5618f7f\"><strong>\u300cJigsaw\uff1a\u4e8c\u91cd\u306b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30b9\u30de\u30fc\u30c8\u30b3\u30f3\u30c8\u30e9\u30af\u30c8\u300d<\/strong>\uff08\u8457\uff1aSanjam Garg \u4ed6\uff09 \u3000\u30aa\u30f3\u30c1\u30a7\u30fc\u30f3\u3068\u30aa\u30d5\u30c1\u30a7\u30fc\u30f3\u306e\u4e21\u65b9\u306b\u304a\u3051\u308b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u3092\u4fdd\u8a3c\u3059\u308b\u65b0\u3057\u3044\u30b9\u30de\u30fc\u30c8\u30b3\u30f3\u30c8\u30e9\u30af\u30c8\u306e\u67a0\u7d44\u307f\u3092\u63d0\u6848\u3057\u3066\u304a\u308a\u3001\u9577\u5e74\u306e\u8ab2\u984c\u3067\u3042\u3063\u305f\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u91cd\u8996\u578b\u8a08\u7b97\u306b\u5bfe\u3059\u308b\u9769\u65b0\u7684\u306a\u89e3\u6c7a\u7b56\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-6019ca2\"><strong>\u300c\u5b9a\u91cf\u7684\u306a\u5024\u306b\u57fa\u3065\u304f\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30ea\u30d5\u30a1\u30a4\u30f3\u30e1\u30f3\u30c8\u691c\u8a3c\u300d<\/strong>\uff08\u8457\uff1aAoxuan Li\u3001Itsaka Rakotonirina\uff09 \u3000\u672c\u7814\u7a76\u3067\u306f\u3001Tamarin\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305f\u691c\u8a3c\u30c4\u30fc\u30eb\u304c\u7d39\u4ecb\u3055\u308c\u3001\u7279\u306b\u30bf\u30a4\u30e0\u30ed\u30c3\u30af\u3092\u7528\u3044\u305f\u30d6\u30ea\u30c3\u30b8\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u9069\u7528\u53ef\u80fd\u306a\u6642\u9593\u4f9d\u5b58\u306e\u8ff0\u8a9e\uff08predicates\uff09\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u70b9\u304c\u5f37\u8abf\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-58fb50c\"><strong>\u300c\u6e96\u540c\u578b\u7f72\u540d\u3092\u7528\u3044\u305fWitness Encryption\u3068\u305d\u306e\u5fdc\u7528\u300d<\/strong>\uff08\u8457\uff1aAlireza Kavousi\u3001Istv\u00e1n Andr\u00e1s Seres\uff09 \u3000\u672c\u767a\u8868\u3067\u306f\u3001\u6e96\u540c\u578b\u7684\u306aWitness Encryption\uff08SWE\uff09\u306e\u5909\u7a2e\u304c\u5c0e\u5165\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30a2\u306a\u96fb\u5b50\u6295\u7968\u3084\u30aa\u30fc\u30af\u30b7\u30e7\u30f3\u3068\u3044\u3063\u305fSWE\u4f9d\u5b58\u578b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52b9\u7387\u6027\u3068\u5c0e\u5165\u6027\u306e\u5411\u4e0a\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-472ff90\"><strong>\u300cDynamic-FROST\uff1a\u67d4\u8edf\u306a\u59d4\u54e1\u4f1a\u306b\u3088\u308b\u30b7\u30e5\u30ce\u30a2\u3057\u304d\u3044\u5024\u7f72\u540d\u300d<\/strong>\uff08\u8457\uff1aAnnalisa Cimatti \u4ed6\uff09 \u3000\u3053\u306e\u7814\u7a76\u306f\u3001FROST\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u62e1\u5f35\u3092\u901a\u3058\u3066\u3001\u7f72\u540d\u8005\u306e\u69cb\u6210\u3084\u3057\u304d\u3044\u5024\u8981\u4ef6\u3092\u52d5\u7684\u306b\u8abf\u6574\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001\u5206\u6563\u578b\u30ac\u30d0\u30ca\u30f3\u30b9\u3084\u65b0\u305f\u306a\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0\u3078\u306e\u5fdc\u7528\u53ef\u80fd\u6027\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-9c9d01d\">\u300c\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e1\u30ab\u30cb\u30ba\u30e0\u300d\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7814\u7a76\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<p class=\"deb-block deb-block-e6bf420\"><strong>\u300c\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u57fa\u3065\u304f\u30ca\u30ab\u30e2\u30c8\u30fb\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u300d<\/strong>\uff08\u8457\uff1aMirza Ahad Baig \u4ed6\uff09 \u3000\u3053\u306e\u767a\u8868\u3067\u306f\u3001\u4f5c\u696d\uff08Work\uff09\u3001\u7a7a\u9593\uff08Space\uff09\u3001\u9010\u6b21\u8a55\u4fa1\uff08Sequential Evaluation\uff09\u306a\u3069\u3001\u8907\u6570\u7a2e\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u30e2\u30c7\u30eb\u306e\u5206\u985e\uff08\u30bf\u30af\u30bd\u30ce\u30df\u30fc\uff09\u3068\u3001\u305d\u308c\u3089\u304c\u6700\u9577\u30c1\u30a7\u30fc\u30f3\u578b\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u53ef\u80fd\u304b\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-5b73c40\"><strong>\u300cSybil\u3092\u30c0\u30a4\u30a8\u30c3\u30c8\u3055\u305b\u308b\uff1aProofs of Space\u306b\u3088\u308b\u5206\u6563\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u306e\u4fdd\u8b77\u300d<\/strong>\uff08\u8457\uff1aChristoph U. G\u00fcnther\u3001Krzysztof Pietrzak\uff09 \u3000\u672c\u7814\u7a76\u306f\u3001Proof-of-Work\u3088\u308a\u3082\u52b9\u679c\u7684\u306bSybil\u653b\u6483\u3092\u8efd\u6e1b\u3067\u304d\u308b\u624b\u6bb5\u3068\u3057\u3066\u3001Proofs of Space\u304c\u5206\u6563\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u306b\u3069\u306e\u3088\u3046\u306b\u5fdc\u7528\u53ef\u80fd\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-738c158\">\u300c\u6642\u9593\u306b\u95a2\u9023\u3059\u308b\u6697\u53f7\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u300d\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u7814\u7a76\u6210\u679c\u304c\u7d39\u4ecb\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<p class=\"deb-block deb-block-6a6f37a\"><strong>\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u3068IBE\u3067\u5b9f\u73fe\u3059\u308b\u6642\u9593\u89e3\u653e\u578b\u6697\u53f7\u306e\u7269\u8a9e\u300d<\/strong>\uff08\u8457\uff1aStella Wohnig \u4ed6\uff09 \u3000\u3053\u306e\u7814\u7a76\u306f\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6280\u8853\u3068ID\u30d9\u30fc\u30b9\u6697\u53f7\uff08IBE\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u6642\u9593\u89e3\u653e\u578b\u6697\u53f7\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5305\u62ec\u7684\u306a\u691c\u8a0e\u3092\u884c\u3063\u3066\u304a\u308a\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u9ad8\u5ea6\u306a\u6a5f\u80fd\u6027\u306e\u53ef\u80fd\u6027\u3092\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-2c2288f\"><strong>\u300c\u8ffd\u8de1\u53ef\u80fd\u306a\u691c\u8a3c\u53ef\u80fd\u30e9\u30f3\u30c0\u30e0\u95a2\u6570\uff08VRF\uff09\u300d<\/strong>\uff08\u8457\uff1aDan Boneh\u3001Aditi Partap\u3001Lior Rotem\uff09 \u3000\u672c\u7814\u7a76\u3067\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u51fa\u529b\u306e\u751f\u6210\u306b\u8cac\u4efb\u3092\u6301\u305f\u305b\u308b\u300c\u8ffd\u8de1\u53ef\u80fd\u6027\u300d\u3092\u5099\u3048\u305f\u65b0\u3057\u3044VRF\uff08\u691c\u8a3c\u53ef\u80fd\u30e9\u30f3\u30c0\u30e0\u95a2\u6570\uff09\u306e\u30d0\u30ea\u30a2\u30f3\u30c8\u304c\u63d0\u6848\u3055\u308c\u3001\u5206\u6563\u578b\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u8aac\u660e\u8cac\u4efb\u306e\u78ba\u4fdd\u306b\u8ca2\u732e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading deb-block deb-block-029135d\" id=\"e68b9be5be85e59fbae8aabfe8ac9be6bc94e381a8e382b3e3839fe383a5e3838be38386e382a3e381aee4baa4e6b581-5\"><strong>\u62db\u5f85\u57fa\u8abf\u8b1b\u6f14\u3068\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u4ea4\u6d41<\/strong><\/h4>\n\n\n\n<p class=\"deb-block deb-block-e6ef295\">CTB\u201925\u3067\u306f\u3001\u6ce8\u76ee\u5ea6\u306e\u9ad8\u3044\u62db\u5f85\u8b1b\u6f14\u304c2\u4ef6\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-4352819\">FileOz\u306eNicola Greco\u6c0f\u306f\u3001*\u300c\u516c\u5171\u8ca1\u3068\u3057\u3066\u306e\u6697\u53f7\uff1a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5b89\u5168\u6027\u78ba\u4fdd\u3068\u30c7\u30b8\u30bf\u30eb\u4eba\u6a29\u63a8\u9032\u306e\u305f\u3081\u306e\u30e9\u30b9\u30c8\u30de\u30a4\u30eb\u6697\u53f7\u7814\u7a76\u3078\u306e\u8cc7\u91d1\u63d0\u4f9b\u300d*\u3068\u984c\u3057\u305f\u8208\u5473\u6df1\u3044\u8b1b\u6f14\u3092\u884c\u3044\u3001\u57fa\u790e\u7684\u306a\u6697\u53f7\u7814\u7a76\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306e\u73fe\u5728\u306e\u8cc7\u91d1\u8abf\u9054\u306e\u6a5f\u4f1a\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-f617a0e\">\u307e\u305f\u3001\u30df\u30e5\u30f3\u30d8\u30f3\u9023\u90a6\u8ecd\u5927\u5b66\u306eDaniel Slamanig\u6c0f\u306f\u3001*\u300c\u533f\u540d\u8a8d\u8a3c\u60c5\u5831\uff1a\u904e\u53bb\u30fb\u73fe\u5728\u30fb\u672a\u6765\u300d*\u3068\u3044\u3046\u5305\u62ec\u7684\u306a\u6b74\u53f2\u7684\u30fb\u6280\u8853\u7684\u30ec\u30d3\u30e5\u30fc\u3092\u63d0\u4f9b\u3057\u3001\u6b27\u5dde\u306e\u30c7\u30b8\u30bf\u30ebID\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u533f\u540d\u8a8d\u8a3c\u306e\u9032\u5316\u3059\u308b\u5f79\u5272\u3084\u3001\u30bb\u30eb\u30d5\u30bd\u30d6\u30ea\u30f3\u30fb\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u81ea\u5df1\u4e3b\u6a29\u578bID\uff09\u30a4\u30cb\u30b7\u30a2\u30c6\u30a3\u30d6\u3068\u306e\u95a2\u9023\u6027\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-f6badb5\">\u3059\u3079\u3066\u306e\u8b1b\u6f14\u306b\u306f\u6d3b\u767a\u306a\u8cea\u7591\u5fdc\u7b54\u3068\u6df1\u3044\u8b70\u8ad6\u304c\u7d9a\u304d\u3001\u3057\u3070\u3057\u3070\u975e\u516c\u5f0f\u306a\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u306e\u4ea4\u6d41\u306b\u3082\u767a\u5c55\u3057\u307e\u3057\u305f\u3002\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u5f53\u65e5\u306b\u306f\u7d0450\u540d\u304c\u53c2\u52a0\u3057\u3001\u4e8b\u524d\u767b\u9332\u800564\u540d\u306b\u8feb\u308b\u307b\u3069\u306e\u9ad8\u3044\u95a2\u5fc3\u3068\u53c2\u52a0\u610f\u6b32\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u5f62\u5f0f\u306f\u3001\u6d3b\u767a\u306a\u610f\u898b\u4ea4\u63db\u3092\u4fc3\u9032\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u6570\u591a\u304f\u306e\u63d0\u6848\u3084\u30a2\u30a4\u30c7\u30a2\u304c\u3001\u4eca\u5f8c\u306e\u5177\u4f53\u7684\u306a\u30c4\u30fc\u30eb\u3084\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u6027\u3092\u652f\u3048\u308b\u57fa\u76e4\u69cb\u6210\u8981\u7d20\u3078\u3068\u767a\u5c55\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading deb-block deb-block-2063b11\" id=\"e4bb8ae5be8ce381aee5b195e69c9b-6\"><strong>\u4eca\u5f8c\u306e\u5c55\u671b<\/strong><\/h4>\n\n\n\n<p class=\"deb-block deb-block-3eeae21\">CTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u306f\u4eca\u5f8c\u3082\u3001\u7814\u7a76\u8005\u3084\u5b9f\u52d9\u5bb6\u305f\u3061\u304c\u77e5\u898b\u3092\u4ea4\u63db\u3057\u3001\u9769\u65b0\u3092\u62ab\u9732\u3057\u3001\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306b\u304a\u3051\u308b\u6697\u53f7\u6280\u8853\u306e\u672a\u6765\u3092\u8b70\u8ad6\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3042\u308a\u7d9a\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-5ad18ea\">\u4e16\u754c\u4e2d\u306e\u5c02\u9580\u5bb6\u3092\u96c6\u3081\u3001\u958b\u304b\u308c\u305f\u5354\u50cd\u7684\u306a\u74b0\u5883\u3092\u80b2\u3080\u3053\u3068\u3067\u3001CTB\u306f\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6280\u8853\u306e\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u300c\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u300d\u300c\u6a5f\u80fd\u6027\u300d\u306e\u5411\u4e0a\u306b\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002\u95a2\u5fc3\u306e\u3042\u308b\u8aad\u8005\u3084\u8ca2\u732e\u8005\u306e\u7686\u69d8\u306b\u306f\u3001\u767a\u8868\u8cc7\u6599\u3084\u6700\u65b0\u60c5\u5831\u3092\u63b2\u8f09\u3057\u305f\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u95b2\u89a7\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"deb-block deb-block-6cf92ef\">IO\uff08Input Output\uff09\u306f\u3001\u4eca\u5f8c\u306eCTB\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3078\u306e\u652f\u63f4\u3068\u53c2\u52a0\u3092\u5f15\u304d\u7d9a\u304d\u884c\u3044\u3001\u5206\u6563\u578b\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u6697\u53f7\u7814\u7a76\u306e\u9032\u5c55\u3068\u3001\u305d\u306e\u5b9f\u8df5\u7684\u5fdc\u7528\u306e\u4fc3\u9032\u306b\u53d6\u308a\u7d44\u3093\u3067\u307e\u3044\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"CTB\u201925\u30ec\u30dd\u30fc\u30c8\uff1aIO\u304c\u5171\u50ac\u3059\u308bEurocrypt\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3067\u6d6e\u304b\u3073\u4e0a\u304c\u3063\u305f\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6697\u53f7\u306e\u6700\u524d\u7dda 2025\u5e745\u6708\u3001\u30b9\u30da\u30a4\u30f3\u30fb\u30de\u30c9\u30ea\u30fc\u30c9\u3067\u958b\u50ac\u3055\u308c\u305f\u4e16\u754c\u6709\u6570\u306e\u6697\u53f7\u5b66\u4f1a\u8b70\u300cEurocrypt 2025\u300d\u306b\u304a\u3044\u3066\u3001Input Output\uff08IO\uff09\u306f\u300c\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u305f\u3081\u306e\u6697\u53f7\u30c4\u30fc\u30eb\uff08CTB\uff09\u300d\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3092\u5171\u50ac\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u6a21\u69d8\u3092IOG\u304c\u30d6\u30ed\u30b0\u8a18\u4e8b\u300cInput | Output co-hosts \u2018Cryptographic tools for blockchains\u2019 workshop at Eurocrypt \u201825\u300d\u3092\u516c\u958b\u3057\u3066\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002 \u3010Eurocrypt\u3068\u306f\uff1f\u3011 Eurocrypt\u306f\u3001\u56fd\u969b\u6697\u53f7\u7814\u7a76\u5354\u4f1a\uff08&hellip;","protected":false},"author":1,"featured_media":42208,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67,21,35,28,1,38],"tags":[],"class_list":{"0":"post-42207","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-iog","8":"category-21","9":"category-blog","10":"category-28","11":"category-japanese","12":"category-38"},"featured_image_urls":{"full":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37.png",1026,1026,false],"thumbnail":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-150x150.png",150,150,true],"medium":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-300x300.png",300,300,true],"medium_large":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-768x768.png",768,768,true],"large":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-1024x1024.png",900,900,true],"1536x1536":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37.png",1026,1026,false],"2048x2048":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37.png",1026,1026,false],"dp-widget-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-140x96.png",140,96,true],"dp-widget-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-280x192.png",280,192,true],"dp-related-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-250x154.png",250,154,true],"dp-related-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-500x308.png",500,308,true],"dp-archive-thumb":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-320x320.png",320,320,true],"dp-archive-thumb-2x":["https:\/\/sipo.tokyo\/wp-content\/uploads\/2025\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-03-4.20.37-640x640.png",640,640,true]},"category_list":"<a href=\"https:\/\/sipo.tokyo\/?cat=67\" rel=\"category\">IOG\u30d6\u30ed\u30b0<\/a>, <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\/42207","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=42207"}],"version-history":[{"count":1,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts\/42207\/revisions"}],"predecessor-version":[{"id":42209,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/posts\/42207\/revisions\/42209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=\/wp\/v2\/media\/42208"}],"wp:attachment":[{"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=42207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=42207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sipo.tokyo\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=42207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}