{"id":638,"date":"2025-06-10T10:54:49","date_gmt":"2025-06-10T01:54:49","guid":{"rendered":"https:\/\/www.kabutec.jp\/blog\/?p=638"},"modified":"2025-06-10T10:54:50","modified_gmt":"2025-06-10T01:54:50","slug":"%e3%82%a4%e3%83%bc%e3%82%b5%e3%83%aa%e3%82%a2%e3%83%a0%e3%81%ae%e6%9a%97%e5%8f%b7%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%81%8c%e7%a0%b4%e3%82%89%e3%82%8c%e3%82%8b%e5%8f%af%e8%83%bd%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.kabutec.jp\/blog\/?p=638","title":{"rendered":"\u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u306e\u6697\u53f7\u30b7\u30b9\u30c6\u30e0\u304c\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u300c\u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u6697\u53f7\u306f\u3069\u3053\u307e\u3067\u5b89\u5168\u304b\uff1f\u300d<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>\u63a1\u7528\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/th><th>\u65e2\u77e5\u306e\u53e4\u5178\u653b\u6483<\/th><th>\u91cf\u5b50\u8a08\u7b97\u6a5f\u306b\u3088\u308b\u8105\u5a01<\/th><th>\u73fe\u72b6\u306e\u5b89\u5168\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>\u7f72\u540d (EOA)<\/td><td><strong>ECDSA\uff0fsecp256k1<\/strong><\/td><td>\u5b9f\u7528\u7684\u306a\u89e3\u8aad\u65b9\u6cd5\u306a\u3057<\/td><td>Shor \u306b\u3088\u308a\u96e2\u6563\u5bfe\u6570\u3092\u4e00\u767a\u3067\u89e3\u304f\u2003\u2192\u2003\u516c\u958b\u9375\u304c\u3042\u308c\u3070\u79d8\u5bc6\u9375\u3092\u751f\u6210\u53ef<\/td><td>\u53e4\u5178: \u6975\u3081\u3066\u5b89\u5168 \/ \u91cf\u5b50: \u201c\u5371\u967a\u306b\u306a\u308b\u307e\u306710\u5e74\u4ee5\u4e0a\u201d<\/td><\/tr><tr><td>\u7f72\u540d (PoS Validator)<\/td><td><strong>BLS (\u66f2\u7dda BLS12-381)<\/strong><\/td><td>\u66f2\u7dda\u5b89\u5168\u6027\u306f\u2252128 bit\u2003<a href=\"https:\/\/www.nccgroup.com\/us\/research-blog\/estimating-the-bit-security-of-pairing-friendly-curves\/\" target=\"_blank\" rel=\"noreferrer noopener\">nccgroup.com<\/a><\/td><td>Shor \u3067\u540c\u69d8\u306b\u7834\u58ca\u53ef<\/td><td>\u540c\u4e0a<\/td><\/tr><tr><td>\u30cf\u30c3\u30b7\u30e5<\/td><td><strong>Keccak-256 (SHA-3)<\/strong><\/td><td>2025\u5e74\u306b\u300c5 \u30e9\u30a6\u30f3\u30c9\u9650\u5b9a\u300d\u30d7\u30ea\u30a4\u30e1\u30fc\u30b8\u653b\u6483\u5831\u544a\uff082^204\uff09\u200a\u2192\u200a\u30d5\u30eb\u30e9\u30a6\u30f3\u30c9\u672a\u5230\u9054\u2003<a href=\"https:\/\/link.springer.com\/article\/10.1007\/s10623-025-01655-3\" target=\"_blank\" rel=\"noreferrer noopener\">link.springer.com<\/a><\/td><td>Grover \u3067 256 bit \u2192 128 bit \u306b\u306a\u308b\u304c 2^128 \u306f\u73fe\u5b9f\u7684\u3067\u306a\u3044<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u305d\u306e\u4ed6<\/td><td><strong>KZG \u30b3\u30df\u30c3\u30c8\u30e1\u30f3\u30c8\u306a\u3069<\/strong><\/td><td>\u672a\u5b9f\u7528\u653b\u6483<\/td><td>\u6955\u5186\u66f2\u7dda\u4f9d\u5b58\u306e\u305f\u3081\u91cf\u5b50\u3067\u7834\u58ca\u53ef<\/td><td>\u4e2d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u53e4\u5178\u8a08\u7b97\u6a5f\u3067\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027<\/h4>\n\n\n\n<ul>\n<li><strong>ECDSA \/ BLS<\/strong><br>\u3069\u3061\u3089\u3082 128 bit \u76f8\u5f53\u306e\u5b89\u5168\u6027\u3092\u6301\u3061\u3001\u96e2\u6563\u5bfe\u6570\u554f\u984c\u306b\u7a81\u7834\u53e3\u306f\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u5b9f\u904b\u7528\u30ec\u30d9\u30eb\u3067\u306e\u89e3\u8aad\u5831\u544a\u306f\u30bc\u30ed\u3067\u3059\u3002<a href=\"https:\/\/www.nccgroup.com\/us\/research-blog\/estimating-the-bit-security-of-pairing-friendly-curves\/\" target=\"_blank\" rel=\"noreferrer noopener\">nccgroup.com<\/a><\/li>\n\n\n\n<li><strong>Keccak-256<\/strong><br>\u6700\u65b0\u7814\u7a76\u3067\u3082 \u201c5 \u30e9\u30a6\u30f3\u30c9\u9650\u5b9a\u3067 2^204 \u8a08\u7b97\u201d \u7a0b\u5ea6\u3002\u30d5\u30eb 24 \u30e9\u30a6\u30f3\u30c9\u306b\u306f\u9060\u304f\u53ca\u3073\u307e\u305b\u3093\u3002<a href=\"https:\/\/link.springer.com\/article\/10.1007\/s10623-025-01655-3\" target=\"_blank\" rel=\"noreferrer noopener\">link.springer.com<\/a><br>\u2192 <strong>\u7d50\u8ad6<\/strong>: \u53e4\u5178\u8a08\u7b97\u6a5f\u3067 10 \u5e74\u4ee5\u5185\u306b\u7834\u3089\u308c\u308b\u78ba\u7387\u306f\u307b\u307c 0%\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u91cf\u5b50\u8a08\u7b97\u6a5f\u30ea\u30b9\u30af\u3068\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/h4>\n\n\n\n<ul>\n<li><strong>\u5fc5\u8981\u306a\u91cf\u5b50\u30d3\u30c3\u30c8\u6570<\/strong><br>256 bit \u6955\u5186\u66f2\u7dda\u9375\u3092 <strong>1 \u65e5\u4ee5\u5185<\/strong> \u306b\u5272\u308b\u306b\u306f\u7269\u7406\u91cf\u5b50\u30d3\u30c3\u30c8\u304c <strong>\u7d04 1300 \u4e07\u500b<\/strong>\u3001<strong>1 \u6642\u9593\u4ee5\u5185<\/strong> \u306a\u3089 <strong>3.17 \u5104\u500b<\/strong> \u5fc5\u8981\u3068\u306e\u63a8\u5b9a\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/gov.capital\/cracking-bitcoin-private-key\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">gov.capital<\/a><a href=\"https:\/\/www.schneier.com\/blog\/archives\/2022\/02\/breaking-245-bit-elliptic-curve-encryption-with-a-quantum-computer.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">schneier.com<\/a><br>2025 \u5e74\u306e\u6700\u5148\u7aef\u30c1\u30c3\u30d7 <em>Google Willow<\/em> \u306f 105 qubit \u306b\u904e\u304e\u305a\u3001\u7814\u7a76\u8005\u81ea\u8eab\u3082\u300c\u6697\u53f7\u7834\u308a\u306b\u306f\u307b\u3069\u9060\u3044\u300d\u3068\u660e\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.theverge.com\/2024\/12\/12\/24319879\/google-willow-cant-break-rsa-cryptography?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">theverge.com<\/a><\/li>\n\n\n\n<li><strong>\u5c02\u9580\u5bb6\u30a2\u30f3\u30b1\u30fc\u30c8<\/strong><br>\u91cf\u5b50\u7814\u7a76\u8005\u306e\u7d04 25 % \u304c\u300c<strong>2035 \u5e74\u3054\u308d\u307e\u3067\u306b<\/strong> ECC \u3092\u5272\u308c\u308b\u898f\u6a21\u306e\u91cf\u5b50\u6a5f\u304c\u51fa\u308b\u78ba\u7387 50 %\u300d\u3068\u56de\u7b54\u3002<a href=\"https:\/\/pchojecki.medium.com\/quantum-computers-threat-to-ethereum-3598580b69f5\" target=\"_blank\" rel=\"noreferrer noopener\">pchojecki.medium.com<\/a><\/li>\n\n\n\n<li><strong>\u30cf\u30c3\u30b7\u30e5\u3078\u306e\u5f71\u97ff<\/strong><br>Grover \u306b\u3088\u308a\u5b9f\u52b9 128 bit \u3078\u4f4e\u4e0b\u3057\u307e\u3059\u304c\u30012^128 \u306f\u5929\u6587\u5b66\u7684\u3002\u6a19\u7684\u3092\u9078\u3070\u305a\u30a2\u30c9\u30ec\u30b9\u3092\u7dcf\u5f53\u305f\u308a\u3059\u308b\u653b\u6483\u306f\u4f9d\u7136\u3068\u3057\u3066\u975e\u73fe\u5b9f\u7684\u3067\u3059\u3002<a href=\"https:\/\/pchojecki.medium.com\/quantum-computers-threat-to-ethereum-3598580b69f5\" target=\"_blank\" rel=\"noreferrer noopener\">pchojecki.medium.com<\/a><\/li>\n<\/ul>\n\n\n\n<p>\u2192 <strong>\u307e\u3068\u3081<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>2030 \u5e74\u524d\u534a\u307e\u3067<\/strong>\uff1a\u91cf\u5b50\u3067\u7834\u3089\u308c\u308b\u73fe\u5b9f\u7684\u30b7\u30ca\u30ea\u30aa\u306f\u4f4e\u78ba\u7387<\/li>\n\n\n\n<li><strong>2030 \u5e74\u5f8c\u534a\u301c2040 \u5e74\u4ee3<\/strong>\uff1a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d6\u30ec\u30a4\u30af\u30b9\u30eb\u30fc\u6b21\u7b2c\u3067\u4e2d\u30ea\u30b9\u30af\u5316<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u5074\u306e\u5099\u3048<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u6bb5\u968e<\/th><th>\u91cf\u5b50\u8010\u6027\u65bd\u7b56<\/th><\/tr><\/thead><tbody><tr><td><strong>The Splurge<\/strong><\/td><td>Account Abstraction \u3067\u4efb\u610f\u7f72\u540d\u30b9\u30ad\u30fc\u30e0\u3092\u8a31\u5bb9\u3057\u3001PQ \u7f72\u540d\u3092 Layer-2 \u3067\u5148\u884c\u691c\u8a3c<a href=\"https:\/\/thequantuminsider.com\/2024\/10\/30\/ethereum-prepares-for-quantum-resistant-future-amid-security-push\/\" target=\"_blank\" rel=\"noreferrer noopener\">thequantuminsider.com<\/a><\/td><\/tr><tr><td><strong>Future-proofing<\/strong><\/td><td>Lattice\/STARK \u30d9\u30fc\u30b9\u7f72\u540d\u3078\u7f6e\u63db\u3092\u7814\u7a76\u3002\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u6587\u66f8\u306b\u3082\u300c\u91cf\u5b50\u8010\u6027\u300d\u306f\u660e\u8a18\u6e08\u307f\u3002<a href=\"https:\/\/ethereum.org\/en\/roadmap\/future-proofing\/\" target=\"_blank\" rel=\"noreferrer noopener\">ethereum.org<\/a><\/td><\/tr><tr><td><strong>Ethereum 3.0\uff082027 \u4e88\u5b9a\uff09<\/strong><\/td><td>Winternitz\u30fbzk-STARK \u306a\u3069\u672c\u683c\u5b9f\u88c5\u3092\u8a08\u753b\u3002<a href=\"https:\/\/www.btq.com\/blog\/ethereums-roadmap-post-quantum-cryptography\" target=\"_blank\" rel=\"noreferrer noopener\">btq.com<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u4eca\u65e5\u3067\u304d\u308b\u30ea\u30b9\u30af\u4f4e\u6e1b\u7b56<\/h4>\n\n\n\n<ol>\n<li><strong>\u672a\u516c\u958b\u9375\u30a2\u30c9\u30ec\u30b9\u4fdd\u7ba1<\/strong><br>\u9001\u91d1\u305b\u305a\u306b\u53d7\u3051\u53d6\u3063\u305f\u30a2\u30c9\u30ec\u30b9\uff08\u516c\u958b\u9375\u304c\u307e\u3060\u30aa\u30f3\u30c1\u30a7\u30fc\u30f3\u3067\u6652\u3055\u308c\u3066\u3044\u306a\u3044\uff09\u306b\u9577\u671f\u4fdd\u7ba1\u3002<\/li>\n\n\n\n<li><strong>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\uff0f\u591a\u91cd\u7f72\u540d<\/strong><br>\u30de\u30eb\u30c1\u30b7\u30b0\u306e 1 \u301c 2 \u9375\u3092 XMSS\u30fbSPHINCS+ \u306a\u3069 PQ \u7f72\u540d\u306b\u7f6e\u63db\u3057\u3066\u304a\u304d\u3001\u91cf\u5b50\u5230\u6765\u6642\u306b\u7d20\u65e9\u304f\u5207\u308a\u66ff\u3048\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u8ffd\u5f93<\/strong><br>EIP-4337 \u5bfe\u5fdc\u30a6\u30a9\u30ec\u30c3\u30c8\u3084\u3001\u5c06\u6765\u306e PQ \u5bfe\u5fdc\u30a6\u30a9\u30ec\u30c3\u30c8\u3078\u6bb5\u968e\u7684\u306b\u79fb\u884c\u3002<\/li>\n\n\n\n<li><strong>\u9375\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/strong><br>\u5927\u304d\u306a\u9001\u91d1\u5f8c\u306f\u65b0\u3057\u3044\u9375\u30da\u30a2\u3067\u6b8b\u9ad8\u3092\u7ba1\u7406\uff08\u516c\u958b\u9375\u9732\u51fa\u6642\u9593\u3092\u77ed\u7e2e\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7d50\u8ad6 \u2014\u300c\u58ca\u308c\u308b\u78ba\u7387\u300d\u3092\u4e00\u8a00\u3067<\/h3>\n\n\n\n<ul>\n<li><strong>2025 \u301c 2030 \u5e74<\/strong>\uff1a\u53e4\u5178\u653b\u6483 \u2248 0%\u3001\u91cf\u5b50\u653b\u6483 \u2272 \u6570 %<\/li>\n\n\n\n<li><strong>2030 \u301c 2040 \u5e74<\/strong>\uff1a\u91cf\u5b50\u653b\u6483\u30ea\u30b9\u30af\u304c\u201c\u9855\u5728\u5316\u3059\u308b\u304b\u3082\u201d<\/li>\n\n\n\n<li><strong>2040 \u5e74\u4ee5\u964d<\/strong>\uff1a\u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u304c PQ \u30b9\u30ad\u30fc\u30e0\u3078\u79fb\u884c\u6e08\u307f\u306a\u3089\u518d\u3073\u5b89\u5168\u57df\u3078<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>\u3057\u305f\u304c\u3063\u3066 <strong>\u300c\u5f53\u9762\u306f\u6975\u3081\u3066\u5b89\u5168\u3002\u305f\u3060\u3057 10\u301c15 \u5e74\u5148\u3092\u898b\u636e\u3048\u3066\u9375\u7ba1\u7406\u3068\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u6e96\u5099\u3092\u300d<\/strong> \u3068\u3044\u3046\u306e\u304c\u73fe\u5b9f\u7684\u306a\u7d50\u8ad6\u3067\u3059\u3002<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u300c\u30a4\u30fc\u30b5\u30ea\u30a2\u30e0\u6697\u53f7\u306f\u3069\u3053\u307e\u3067\u5b89\u5168\u304b\uff1f\u300d \u9805\u76ee \u63a1\u7528\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 \u65e2\u77e5\u306e\u53e4\u5178\u653b\u6483 \u91cf\u5b50\u8a08\u7b97\u6a5f\u306b\u3088\u308b\u8105\u5a01 \u73fe\u72b6\u306e\u5b89\u5168\u5ea6 \u7f72\u540d (EOA) ECDSA\uff0fsecp256k1 \u5b9f\u7528\u7684\u306a\u89e3\u8aad\u65b9\u6cd5\u306a\u3057 Shor \u306b\u3088\u308a\u96e2\u6563\u5bfe\u6570\u3092\u4e00\u767a\u3067 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/638"}],"collection":[{"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=638"}],"version-history":[{"count":1,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/638\/revisions"}],"predecessor-version":[{"id":639,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/638\/revisions\/639"}],"wp:attachment":[{"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}