{"id":635,"date":"2025-06-10T07:44:41","date_gmt":"2025-06-09T22:44:41","guid":{"rendered":"https:\/\/www.kabutec.jp\/blog\/?p=635"},"modified":"2025-06-10T07:48:50","modified_gmt":"2025-06-09T22:48:50","slug":"%e3%83%93%e3%83%83%e3%83%88%e3%82%b3%e3%82%a4%e3%83%b3%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=635","title":{"rendered":"\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306e\u6697\u53f7\u30b7\u30b9\u30c6\u30e0\u304c\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027"},"content":{"rendered":"\n<ul>\n<li><strong>\u5411\u3053\u30465\u301c10\u5e74\u3067\u201c\u6697\u53f7\u305d\u306e\u3082\u306e\u201d\u304c\u7834\u3089\u308c\u308b\u78ba\u7387\u306f\u307b\u307c\u30bc\u30ed\uff08\u226a1 %\uff09<\/strong><\/li>\n\n\n\n<li><strong>\u91cf\u5b50\u8a08\u7b97\u6a5f\u304c\u5b9f\u6226\u30ec\u30d9\u30eb\u306b\u5c4a\u3044\u3066\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5074\u304c\u8010\u91cf\u5b50\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3078\u79fb\u884c\u3059\u308b\u201c\u7336\u4e88\u201d\u306f\u5341\u5e74\u4ee5\u4e0a\u3042\u308b<\/strong><\/li>\n\n\n\n<li>\u76f4\u8fd1\u3067\u6016\u3044\u306e\u306f\u6697\u53f7\u7406\u8ad6\u3088\u308a<strong>\u30a6\u30a9\u30ec\u30c3\u30c8\u5b9f\u88c5\u30d0\u30b0\u30fb\u9375\u7ba1\u7406\u30df\u30b9\u30fb51 %\u653b\u6483<\/strong>\u306a\u3069\u201c\u4eba\u9593\u5074\u306e\u7a74\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u4f55\u3092\u300c\u7834\u308b\u300d\u306e\u304b\u6574\u7406<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5f79\u5272<\/th><th>\u73fe\u884c\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/th><th>\u653b\u6483\u8005\u304c\u3084\u308a\u305f\u3044\u3053\u3068<\/th><th>\u7834\u308c\u305f\u3089\u3069\u3046\u306a\u308b\u304b<\/th><\/tr><\/thead><tbody><tr><td>\u7f72\u540d<\/td><td><strong>ECDSA\/secp256k1<\/strong><\/td><td>\u516c\u958b\u9375\u304b\u3089\u79d8\u5bc6\u9375\u3092\u8a08\u7b97\uff08Shor\uff09<\/td><td>\u30b3\u30a4\u30f3\u3092\u6a2a\u53d6\u308a<\/td><\/tr><tr><td>\u30cf\u30c3\u30b7\u30e5<\/td><td><strong>SHA-256<\/strong><\/td><td>(a) \u885d\u7a81\u3092\u8d77\u3053\u3059 (b) \u9006\u7b97\u3057\u3066\u4efb\u610f\u30d7\u30ec\u753b\u50cf\u3092\u5f97\u308b\uff08Grover\uff09<\/td><td>\u30de\u30a4\u30cb\u30f3\u30b0\u4e0d\u6b63\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u6539\u3056\u3093<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u53e4\u5178\u6697\u53f7\u89e3\u6790\u306e\u73fe\u72b6<\/h2>\n\n\n\n<ul>\n<li>2024 \u5e74\u306b<strong>31 \u30b9\u30c6\u30c3\u30d7\u7248 SHA-256<\/strong>\uff08\u5168 64 \u30b9\u30c6\u30c3\u30d7\u306e\u534a\u5206\u5f31\uff09\u3067\u521d\u306e\u5b9f\u7528\u885d\u7a81\u304c\u5831\u544a\u3055\u308c\u305f\u304c\u3001\u30d5\u30eb\u7248\u307e\u3067\u306f \u201c\u5b87\u5b99\u7684\u306b\u9060\u3044\u201d<a href=\"https:\/\/iacr.org\/cryptodb\/data\/paper.php?pubkey=34565\" target=\"_blank\" rel=\"noreferrer noopener\">iacr.org<\/a>\u3002<\/li>\n\n\n\n<li>secp256k1 \u306f 2\u00b2\u2075\u2076 \u898f\u6a21\u306e\u96e2\u6563\u5bfe\u6570\u554f\u984c\u3002\u8a08\u7b97\u91cf\u7684\u306b\u4f9d\u7136\u3068\u3057\u3066\u624b\u4ed8\u304b\u305a\u3002<br>\u25b6 <strong>\u53e4\u5178\u7684\u624b\u6cd5\u3060\u3051\u3067\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u6697\u53f7\u304c\u5d29\u58ca\u3059\u308b\u5146\u3057\u306f\u306a\u3044<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u91cf\u5b50\u8a08\u7b97\u6a5f\u306e\u8105\u5a01\u3068\u5fc5\u8981\u898f\u6a21<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30bf\u30b9\u30af<\/th><th>\u8ad6\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8<\/th><th>\u7269\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8*<\/th><th>\u4eca\u3042\u308b\u5b9f\u6a5f<\/th><th>\u30ae\u30e3\u30c3\u30d7<\/th><\/tr><\/thead><tbody><tr><td>secp256k1 \u30921\u6642\u9593\u4ee5\u5185\u306b\u89e3\u8aad<\/td><td>\u22485 000\u2020<\/td><td>\u22483.1\u5104\u2020<\/td><td>Google \u201cWillow\u201d 105q\u3001IBM \u201cCondor\u201d 1 121q \u306a\u3069<\/td><td><strong>6\u301c7\u6841\u8db3\u308a\u306a\u3044<\/strong><\/td><\/tr><tr><td>SHA-256 Grover \u691c\u7d22<\/td><td>128-bit \u6f14\u7b97\u00d72\u00b9\u00b2\u2078<\/td><td>\u540c\u4e0a\u30ec\u30d9\u30eb<\/td><td>\u540c\u4e0a<\/td><td><strong>\u73fe\u72b6\u4e0d\u53ef\u80fd<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u2020\u8a66\u7b97\u306f 2024\u301c25 \u5e74\u306e\u8907\u6570\u8a55\u4fa1\u3092\u5e73\u5747<a href=\"https:\/\/www.mara.com\/posts\/bitcoin-vs-quantum-computing-more-hype-than-reality\" target=\"_blank\" rel=\"noreferrer noopener\">mara.com<\/a><a href=\"https:\/\/www.coindesk.com\/tech\/2024\/12\/11\/the-protocol-a-quantum-threat-to-bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">coindesk.com<\/a><br>*\u7269\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\u6570\u306f\u30a8\u30e9\u30fc\u8a02\u6b63\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u542b\u3080\u6982\u7b97\u3002<\/p>\n\n\n\n<p>IBM \u306e\u6700\u65b0\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u3067\u3082 <strong>\u300c2029 \u5e74\u306b200 \u8ad6\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\u30012033 \u5e74\u306b2 000 \u8ad6\u7406\u300d<\/strong> \u304c\u76ee\u6a19<a href=\"https:\/\/www.ibm.com\/quantum\/assets\/IBM_Quantum_Developmen_%26_Innovation_Roadmap_Explainer_2024-Update.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">ibm.com<\/a>\u3002<br>\u21d2 <strong>\u7406\u8ad6\u4e0a\u306e\u201c\u89e3\u8aad\u30de\u30b7\u30f3\u201d\u306b\u306f\u5c11\u306a\u304f\u3068\u3082 2035 \u5e74\u4ee5\u964d\u3067\u3082\u6841\u9055\u3044\u306b\u4e0d\u8db3<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u5074\u306b\u3042\u308b\u201c\u7336\u4e88\u201d\u3068\u5bfe\u6297\u7b56<\/h2>\n\n\n\n<ol>\n<li><strong>\u30a2\u30c9\u30ec\u30b9\u518d\u5229\u7528\u3092\u907f\u3051\u308b<\/strong><br>\u516c\u958b\u9375\u304c\u30c1\u30a7\u30fc\u30f3\u4e0a\u306b\u6652\u3055\u308c\u308b\u306e\u306f\u652f\u6255\u3044\u6642\u3060\u3051\u3002\u91cf\u5b50\u6a5f\u304c\u5b8c\u6210\u3057\u3066\u3082\u300c\u9001\u91d1\u524d UTXO\u300d\u306f\u5b89\u5168\u3002<\/li>\n\n\n\n<li><strong>\u30bd\u30d5\u30c8\u30d5\u30a9\u30fc\u30af\u3067\u30dd\u30b9\u30c8\u91cf\u5b50\u7f72\u540d\u3078<\/strong>\n<ul>\n<li>NIST \u6a19\u6e96\u5316\uff08Dilithium\u3001Falcon\u3001SPHINCS+ \u306a\u3069\uff09\u304c 2024 \u5e74\u5b8c\u4e86\u3002<\/li>\n\n\n\n<li>\u65e2\u306b Taproot \u30d9\u30fc\u30b9\u3067 XMSS\/FROST \u3092\u8a66\u3059\u958b\u767a\u8005\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3042\u308a\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30cf\u30c3\u30b7\u30e5\u5f37\u5316<\/strong><br>SHA-256 \u2192 SHA-512\uff0fBLAKE3 \u3078\u306e\u7f6e\u63db\u306f\u30d0\u30c3\u30af\u30ef\u30fc\u30c9\u4e92\u63db\u3092\u4fdd\u3063\u305f\u307e\u307e\u6bb5\u968e\u5c0e\u5165\u304c\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5408\u610f\u5f62\u6210<\/strong><br>\u6700\u60aa\u300c\u91cf\u5b50\u5371\u6a5f\u300d\u304c\u30cb\u30e5\u30fc\u30b9\u306b\u306a\u308b\u9803\u306b\u306f\u30de\u30a4\u30ca\u30fc\u3068\u30d5\u30eb\u30ce\u30fc\u30c9\u304c\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3078\u5f37\u70c8\u306b\u52d5\u6a5f\u4ed8\u3051\u3055\u308c\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u201c\u78ba\u7387\u201d\u3092\u6570\u5b57\u3067\u3056\u3063\u304f\u308a<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u671f\u9593<\/th><th>\u7f72\u540d\u304c\u91cf\u5b50\u3067\u7834\u3089\u308c\u308b\u78ba\u7387<\/th><th>\u30cf\u30c3\u30b7\u30e5\u304c\u91cf\u5b50\uff0f\u53e4\u5178\u3067\u7834\u3089\u308c\u308b\u78ba\u7387<\/th><\/tr><\/thead><tbody><tr><td>\u301c2030 \u5e74<\/td><td>&lt;0.1 %<\/td><td>&lt;0.1 %<\/td><\/tr><tr><td>2030\u20132035 \u5e74<\/td><td>~0.5 %<\/td><td>~0.5 %<\/td><\/tr><tr><td>2035\u20132045 \u5e74<\/td><td>5\u201310 %\uff08\u6280\u8853\u30d6\u30ec\u30a4\u30af\u30b9\u30eb\u30fc\u4f9d\u5b58\uff09<\/td><td>1\u20133 %<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>\u4e3b\u89b3\u7684\u30d9\u30a4\u30ba\u63a8\u5b9a\u3002\u9375\u306f\u300c\u91cf\u5b50\u30a8\u30e9\u30fc\u8a02\u6b63\u306e\u9032\u6357 \u00d7 \u7523\u696d\u8cc7\u91d1\u300d\u3002<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u6295\u8cc7\u5bb6\u76ee\u7dda\u3067\u306e\u512a\u5148\u30ea\u30b9\u30af<\/h2>\n\n\n\n<ol>\n<li><strong>\u81ea\u5df1\u7ba1\u7406\u9375\u306e\u6d41\u51fa\u30fb\u7d1b\u5931<\/strong>\uff08\u30d2\u30e5\u30fc\u30de\u30f3\u30a8\u30e9\u30fc\uff09<\/li>\n\n\n\n<li><strong>\u53d6\u5f15\u6240\u30fb\u30ab\u30b9\u30c8\u30c7\u30a3\u696d\u8005\u306e\u7834\u7dbb\uff0f\u30cf\u30c3\u30ad\u30f3\u30b0<\/strong><\/li>\n\n\n\n<li><strong>\u30de\u30a4\u30cb\u30f3\u30b0\u30fb\u30cf\u30c3\u30b7\u30e5\u30ec\u30fc\u30c8\u96c6\u4e2d\u306b\u3088\u308b 51 % \u653b\u6483<\/strong><\/li>\n\n\n\n<li><strong>\u898f\u5236\u30fb\u7a0e\u5236\u30ea\u30b9\u30af<\/strong><br>\u25b6 <strong>\u6697\u53f7\u7406\u8ad6\u306e\u201c\u5d29\u58ca\u201d\u306f\u4eca\u306e\u3068\u3053\u308d\u30ef\u30fc\u30b9\u30c8\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u306a\u3044<\/strong>\u3002\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u7ba1\u7406\u3067\u306f\u6280\u8853\u9032\u5316\u3092\u30a6\u30aa\u30c3\u30c1\u3057\u3064\u3064\u3001\u53ef\u8996\u5316\u3067\u304d\u308b\u30ea\u30b9\u30af\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u914d\u5206\u3059\u308b\u65b9\u304c\u5408\u7406\u7684\u3067\u3059\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\">\u307e\u3068\u3081\uff08\u518d\u63b2\uff09<\/h3>\n\n\n\n<ul>\n<li>\u91cf\u5b50\u8a08\u7b97\u6a5f\u304c secp256k1\/SHA-256 \u3092<strong>\u76f4\u63a5\u7834\u308b\u306b\u306f\u6570\u5343\u4e07\u301c\u6570\u5104\u7269\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8<\/strong>\u304c\u5fc5\u8981\u3067\u3001<strong>2030 \u5e74\u4ee3\u4e2d\u76e4\u3067\u3082\u5c4a\u304b\u306a\u3044\u898b\u8fbc\u307f<\/strong>\u3002<\/li>\n\n\n\n<li>\u305d\u308c\u307e\u3067\u306b\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u306f\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3078\u79fb\u884c\u3067\u304d\u308b\u8a2d\u8a08\u67d4\u8edf\u6027\u3092\u6301\u3064\u3002<\/li>\n\n\n\n<li>\u5f93\u3063\u3066 <strong>\u201c\u4eca\u3059\u3050\u6697\u53f7\u304c\u5d29\u58ca\u3057\u3066 BTC \u304c\u7121\u4fa1\u5024\u306b\u306a\u308b\u201d\u30ea\u30b9\u30af\u306f\u6975\u5c0f<\/strong>\u3002\u6295\u8cc7\u5bb6\u306f\u3080\u3057\u308d\u5b9f\u88c5\u30fb\u904b\u7528\u306e\u8106\u5f31\u6027\u306b\u6ce8\u610f\u3092\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5b89\u5fc3\u3057\u3064\u3064\u3082\u3001\u958b\u767a\u30e1\u30fc\u30ea\u30f3\u30b0\u30ea\u30b9\u30c8\u3084 NIST PQC \u52d5\u5411\u3092\u30a6\u30a9\u30c3\u30c1\u3057\u3066\u304a\u304f\u3068\u3044\u3044\u3067\u3059\u3088\u3001<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u53c2\u8003\u6587\u732e<\/strong><\/p>\n\n\n\n<ul>\n<li>317 \u767e\u4e07\u7269\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\u8a66\u7b97\u307b\u304b\u91cf\u5b50\u8105\u5a01\u6982\u8aac<a href=\"https:\/\/www.mara.com\/posts\/bitcoin-vs-quantum-computing-more-hype-than-reality\" target=\"_blank\" rel=\"noreferrer noopener\">mara.com<\/a><\/li>\n\n\n\n<li>5 000 \u8ad6\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\uff1d\u6570\u767e\u4e07\u7269\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\u5fc5\u8981\u3068\u306e\u6280\u8853\u89e3\u8aac<a href=\"https:\/\/www.coindesk.com\/tech\/2024\/12\/11\/the-protocol-a-quantum-threat-to-bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">coindesk.com<\/a><\/li>\n\n\n\n<li>IBM Quantum \u30ed\u30fc\u30c9\u30de\u30c3\u30d7\uff08200 \u2192 2 000 \u8ad6\u7406\u30ad\u30e5\u30fc\u30d3\u30c3\u30c8\u307e\u3067\u306e\u8a08\u753b\uff09<a href=\"https:\/\/www.ibm.com\/quantum\/assets\/IBM_Quantum_Developmen_%26_Innovation_Roadmap_Explainer_2024-Update.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">ibm.com<\/a><\/li>\n\n\n\n<li>31-step SHA-256 \u5b9f\u7528\u885d\u7a81\uff08\u30d5\u30eb\u7248\u306f\u7121\u50b7\uff09<a href=\"https:\/\/iacr.org\/cryptodb\/data\/paper.php?pubkey=34565\" target=\"_blank\" rel=\"noreferrer noopener\">iacr.org<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1. \u4f55\u3092\u300c\u7834\u308b\u300d\u306e\u304b\u6574\u7406 \u5f79\u5272 \u73fe\u884c\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0 \u653b\u6483\u8005\u304c\u3084\u308a\u305f\u3044\u3053\u3068 \u7834\u308c\u305f\u3089\u3069\u3046\u306a\u308b\u304b \u7f72\u540d ECDSA\/secp256k1 \u516c\u958b\u9375\u304b\u3089\u79d8\u5bc6\u9375\u3092\u8a08\u7b97\uff08Shor\uff09 \u30b3\u30a4\u30f3\u3092\u6a2a\u53d6\u308a \u30cf\u30c3\u30b7\u30e5 SHA-256 (a) \u885d [&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\/635"}],"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=635"}],"version-history":[{"count":2,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/635\/revisions"}],"predecessor-version":[{"id":637,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/635\/revisions\/637"}],"wp:attachment":[{"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kabutec.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}