{"id":4140,"date":"2026-04-24T08:00:00","date_gmt":"2026-04-24T08:00:00","guid":{"rendered":"http:\/\/yourfinanceinfo.com\/2026\/04\/24\/quantum-computer-cracks-15-bit-ecdsa-key-used-in-bitcoin-cryptography\/"},"modified":"2026-06-01T16:00:31","modified_gmt":"2026-06-01T16:00:31","slug":"quantum-computer-cracks-15-bit-ecdsa-key-used-in-bitcoin-cryptography","status":"publish","type":"post","link":"https:\/\/yourfinanceinfo.com\/hr\/quantum-computer-cracks-15-bit-ecdsa-key-used-in-bitcoin-cryptography\/","title":{"rendered":"Kvantno ra\u010dunalo razbija 15-bitni ECDSA klju\u010d kori\u0161ten u bitcoin kriptografiji"},"content":{"rendered":"<p>Istra\u017eiva\u010di su objavili rad u kojem dokumentiraju uspje\u0161nu faktorizaciju 15-bitnog klju\u010da algoritma digitalnog potpisa na elipti\u010dnim krivuljama (ECDSA) pomo\u0107u kvantnog ra\u010dunala \u2014 istog algoritma na kojem se temelji potpisivanje transakcija Bitcoina \u2014 ponovno poti\u010du\u0107i raspravu o tome koliko bi brzo sigurnost mre\u017ee mogla biti dovedena u pitanje kvantnim hardverom.<\/p><p>To postignu\u0107e, iako skromno prema klasi\u010dnim mjerilima, predstavlja smislen dokaz koncepta kvantno-izvornog probijanja ECDSA. Istra\u017eiva\u010di su za izvr\u0161enje zadatka u manje od \u0161est sati upotrijebili procesor sa 127 kubita.<\/p><p>&#8220;Ovo danas nije egzistencijalna prijetnja Bitcoinu,&#8221; rekla je dr. Elena Kowalski, jedna od autorica rada. &#8220;Bitcoin koristi 256-bitne klju\u010deve. Ono \u0161to smo demonstrirali zahtijeva ekstrapolaciju za otprilike 17 redova veli\u010dine.&#8221;<\/p><p>Razvojna mailing lista Bitcoina svjedo\u010dila je obnovljenoj raspravi o BIP-360, prijedlogu za sheme potpisa otporne na kvantne ra\u010dunala. Ethereumov plan razvoja ve\u0107 uklju\u010duje postkvantnu kriptografiju kao dio faze &#8220;Purge&#8221;.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Povezani \u010dlanci<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/yourfinanceinfo.com\/hr\/bitcoin-mining-difficulty-rises-3-2-as-global-hash-rate-climbs-to-new-high\/\">Te\u017eina rudarenja Bitcoina raste za 3,2% dok globalna hash stopa raste na novi vrhunac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/yourfinanceinfo.com\/hr\/sui-based-defi-protocol-volo-loses-3-5-million-in-vault-exploit\/\">DeFi protokol Volo zasnovan na Suiju izgubio 3,5 milijuna dolara u eksploataciji trezora<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Istra\u017eiva\u010di su objavili rad u kojem dokumentiraju uspje\u0161nu faktorizaciju 15-bitnog klju\u010da algoritma digitalnog potpisa na elipti\u010dnim krivuljama (ECDSA) pomo\u0107u kvantnog ra\u010dunala \u2014 istog algoritma na kojem se temelji potpisivanje transakcija Bitcoina \u2014 ponovno poti\u010du\u0107i raspravu o tome koliko bi brzo sigurnost mre\u017ee mogla biti dovedena u pitanje kvantnim hardverom. Iako je to postignu\u0107e skromno prema klasi\u010dnim mjerilima, ono predstavlja<\/p>","protected":false},"author":10,"featured_media":4139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,35],"tags":[136,147,155,154],"class_list":["post-4140","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bitcoin","category-technology","tag-bitcoin","tag-crypto-security","tag-cryptography","tag-quantum-computing"],"_links":{"self":[{"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/posts\/4140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/comments?post=4140"}],"version-history":[{"count":1,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/posts\/4140\/revisions"}],"predecessor-version":[{"id":4430,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/posts\/4140\/revisions\/4430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/media\/4139"}],"wp:attachment":[{"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/media?parent=4140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/categories?post=4140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yourfinanceinfo.com\/hr\/wp-json\/wp\/v2\/tags?post=4140"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}