{"id":7400,"date":"2026-04-06T22:07:12","date_gmt":"2026-04-06T22:07:12","guid":{"rendered":"https:\/\/dizainoarkliukas.lt\/?p=7400"},"modified":"2026-04-06T22:07:12","modified_gmt":"2026-04-06T22:07:12","slug":"zaibo-tinklas-bejegiskai-sulauzytas-nuo-kvantiniu-kompiuteriu-perspeja-udi-wertheimeris","status":"publish","type":"post","link":"https:\/\/dizainoarkliukas.lt\/?p=7400","title":{"rendered":"\u017daibo tinklas \u201ebej\u0117gi\u0161kai sulau\u017eytas\u201c nuo kvantini\u0173 kompiuteri\u0173, persp\u0117ja Udi Wertheimeris"},"content":{"rendered":"<p><\/p>\n<div>\n<p>\t\t\t\t\t\t\t\t\t\u201eLightning Network\u201c yra strukt\u016bri\u0161kai pa\u017eeid\u017eiamas, nes jo vie\u0161ieji raktai yra bendrinami, tod\u0117l l\u0117\u0161os susiduria su postkvantin\u0117mis atakomis, neseniai paskelbtame prane\u0161ime teig\u0117 Wertheimeris.\t\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<div>\n<p>Kripto analitikas ir \u201eTaproot\u201c k\u016br\u0117jas Udi Wertheimeris parei\u0161k\u0117, kad \u201eLightning Network\u201c yra i\u0161 esm\u0117s pa\u017eeid\u017eiamas pagal post-kvantin\u012f scenarij\u0173, ir teig\u0117, kad jo dizainas palieka naudotoj\u0173 l\u0117\u0161as atskleistas tokiais b\u016bdais, kuri\u0173 negalima suma\u017einti pagal dabartines prielaidas.<\/p>\n<p>Wertheimerio teigimu, pagrindin\u0117 problema kyla d\u0117l to, kaip vie\u0161ieji ir privat\u016bs raktai veikia kriptovaliut\u0173 sistemose. Nors tradicin\u0117 kriptografija remiasi id\u0117ja, kad priva\u010di\u0173 rakt\u0173 negalima gauti i\u0161 vie\u0161\u0173j\u0173 rakt\u0173, jis paai\u0161kino, kad pakankamai pa\u017eang\u016bs kvantiniai kompiuteriai, \u017einomi kaip kriptografi\u0161kai svarb\u016bs kvantiniai kompiuteriai (CRQC), gal\u0117t\u0173 sulau\u017eyti \u0161i\u0105 prielaid\u0105, apskai\u010diuodami priva\u010dius raktus tiesiai i\u0161 vie\u0161\u0173j\u0173.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Turinys:<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/dizainoarkliukas.lt\/?p=7400\/#Zaibo_silpnoji_vieta\" >\u017daibo silpnoji vieta<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dizainoarkliukas.lt\/?p=7400\/#Jums_taip_pat_gali_patikti\" >Jums taip pat gali patikti:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dizainoarkliukas.lt\/?p=7400\/#%E2%80%9EGoogle%E2%80%9C_ispejimas\" >\u201eGoogle\u201c \u012fsp\u0117jimas<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Zaibo_silpnoji_vieta\"><\/span>\u017daibo silpnoji vieta<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Daugumoje \u201eBitcoin\u201c grandinini\u0173 naudojimo b\u016bd\u0173 vartotojai gali suma\u017einti poveik\u012f vengdami pakartotinio adreso naudojimo, o tai padeda apsaugoti vie\u0161uosius raktus nuo be reikalo. Ta\u010diau Wertheimeris teig\u0117, kad \u0161i gynyba netaikoma \u201eLightning Network\u201c, kur vie\u0161ieji raktai turi b\u016bti dalijami kaip pagrindin\u0117 jo veikimo dalis.<\/p>\n<p>\u201eLightning\u201c remiasi mok\u0117jimo kanalais, kurie i\u0161 esm\u0117s yra dviej\u0173 \u0161ali\u0173 susitarimai d\u0117l keli\u0173 para\u0161\u0173. Nor\u0117dami atidaryti ir palaikyti \u0161iuos kanalus, dalyviai kei\u010diasi vie\u0161aisiais raktais su sandorio \u0161alimis. D\u0117l to \u0161iuos raktus ne tik atskleid\u017eia, bet ir saugo tre\u010diosios \u0161alys, kartais vartotojams visi\u0161kai ne\u017einant, kas valdo u\u017e j\u0173 kanal\u0173 esan\u010di\u0105 infrastrukt\u016br\u0105.<\/p>\n<p>Taigi, jei bet kuris subjektas, turintis \u0161iuos vie\u0161uosius raktus, gauna prieig\u0105 prie CRQC arba jei tokie duomenys yra nutek\u0117j\u0119 subjektui, kuris tai daro, privat\u016bs raktai gali b\u016bti gauti be vartotojo s\u0105veikos ir taip galima pavogti l\u0117\u0161as. Wertheimeris taip pat tvirtino, kad tokiai atakai nereik\u0117s didel\u0117s spartos kvantini\u0173 galimybi\u0173, da\u017enai aptarin\u0117jam\u0173 teoriniuose scenarijuose, nes nereik\u0117s perimti operacij\u0173 realiuoju laiku.<\/p>\n<p>Vietoj to, u\u017epuolikai gal\u0117t\u0173 dirbti neprisijung\u0119 naudodami jau turimus vie\u0161ojo rakto duomenis. Problem\u0105 apsunkina neskaidrus \u201eLightning\u201c infrastrukt\u016bros pob\u016bdis, kai LN paslaug\u0173 teik\u0117jai gali veikti anonimi\u0161kai. D\u0117l to vartotojai negal\u0117s \u012fvertinti, kaip saugiai tvarkomi j\u0173 duomenys.<\/p>\n<p>K\u016br\u0117jas pa\u017eym\u0117jo, kad net geriausia Bitcoin ekosistemos praktika nepa\u0161alina \u0161ios rizikos, nes negalima i\u0161vengti \u201eLightning\u201c reikalavimo dalytis raktais. Jis prid\u016br\u0117, kad d\u0117l to tinklas \u201ebej\u0117gi\u0161kai nutr\u016bksta\u201c kvantiniame kontekste, nes jokie \u017eaibo sluoksnio pakeitimai negali i\u0161spr\u0119sti problemos.<\/p>\n<h3 class=\"heading-4\"><span class=\"ez-toc-section\" id=\"Jums_taip_pat_gali_patikti\"><\/span>Jums taip pat gali patikti:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Norint i\u0161spr\u0119sti \u0161i\u0105 problem\u0105, \u201eBitcoin\u201c pagrindinis protokolas tur\u0117t\u0173 priimti kvanti\u0161kai saug\u0173 kriptografin\u012f metod\u0105. Toki\u0173 pakeitim\u0173 iki \u0161iol nebuvo atlikta. Kol ne\u012fvyks tokie poky\u010diai, \u201eLightning\u201c balansai lieka atviri ir gali b\u016bti pa\u017eeisti, kai kvantin\u0117 technologija pakankamai pa\u017eengs \u012f priek\u012f, kad b\u016bt\u0173 galima pasinaudoti \u0161iomis integruotomis silpnyb\u0117mis.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E2%80%9EGoogle%E2%80%9C_ispejimas\"><\/span>\u201eGoogle\u201c \u012fsp\u0117jimas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Wertheimerio pastabos pasirod\u0117 pra\u0117jus vos kelioms dienoms po to, kai \u201eGoogle\u201c komanda i\u0161leido balt\u0105j\u0105 knyg\u0105, kurioje i\u0161samiai apra\u0161oma pa\u017eangi\u0173 kvantini\u0173 sistem\u0173 keliama rizika kriptovaliutoms. Ataskaitoje teigiama, kad pakankamai galingas kvantinis kompiuteris gali sulau\u017eyti 1000 did\u017eiausi\u0173 Ethereum pinigini\u0173 priva\u010dius raktus per ma\u017eiau nei devynias dienas, o tai kelia pavoj\u0173 daugiau nei 20 milijon\u0173 ETH.<\/p>\n<p>V\u0117liau Blockstream apib\u016bdino priemones, kuri\u0173 imamasi siekiant apsaugoti Bitcoin nuo \u0161i\u0173 gr\u0117smi\u0173. \u012emon\u0117 atskleid\u0117, kad savo Liquid \u0161onin\u0117je grandin\u0117je \u012fdiegia postkvantin\u0119 kriptografij\u0105, kad vartotojai gal\u0117t\u0173 sudaryti sutartis, kurioms norint i\u0161leisti l\u0117\u0161as, reikalingi kvantiniams atspar\u016bs para\u0161ai.<\/p>\n<p>\u0160i strategija nekei\u010dia pagrindinio \u201eBitcoin\u201c protokolo, o prideda apsaug\u0105 sutarties lygmeniu, naudojant \u201eBlockstream\u201c Simplicity i\u0161mani\u0105j\u0105 sutarties kalb\u0105. Tyrimas taip pat nustat\u0117 keturias pagrindines \u0161alutini\u0173 grandini\u0173 rizikas \u2013 suklastotus sandori\u0173 para\u0161us, suklastotus blokinius para\u0161us, konfidenciali\u0173 operacij\u0173 pa\u017eeid\u017eiamum\u0105 ir atakas prie\u0161 mechanizmus, kuriais turtas perkeliamas i\u0161 vienos grandin\u0117s \u012f kit\u0105.<\/p>\n<div class=\"code-block code-block-12\" style=\"margin: 8px 0; clear: both;\">\n<div><center><span style=\"font-size:11px; color: gray;\">SPECIALUS PASI\u016aLYMAS (i\u0161skirtinis)<\/span><\/center><br \/>\n<b>\u201eBinance Free\u201c 600 USD (i\u0161skirtinai \u201eCryptoPotato\u201c): naudokite \u0161i\u0105 nuorod\u0105, kad u\u017eregistruotum\u0117te nauj\u0105 paskyr\u0105 ir gautum\u0117te 600 USD i\u0161skirtin\u012f pasveikinimo pasi\u016blym\u0105 \u201eBinance\u201c<\/b> (visa informacija).<\/p>\n<p><b>RIBOTAS PASI\u016aLYMAS CryptoPotato skaitytojams Bybit: naudokite \u0161i\u0105 nuorod\u0105, kad u\u017esiregistruotum\u0117te ir atidarytum\u0117te 500 USD NEMOKAM\u0104 pozicij\u0105 bet kurioje monetoje!<\/b><\/p>\n<\/div>\n<\/div>\n<p><!-- CONTENT END 1 --><\/p><\/div>\n<p><a href=\"https:\/\/cryptopotato.com\/lightning-network-helplessly-broken-against-quantum-computers-warns-udi-wertheimer\/\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201eLightning Network\u201c yra strukt\u016bri\u0161kai pa\u017eeid\u017eiamas, nes jo vie\u0161ieji raktai yra bendrinami, tod\u0117l l\u0117\u0161os susiduria su postkvantin\u0117mis atakomis, neseniai paskelbtame prane\u0161ime&hellip;<\/p>\n","protected":false},"author":1,"featured_media":7401,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[86],"tags":[10105,10108,10107,17,986,10106,1293,10109,10110,10104],"class_list":["post-7400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kripto-turtas","tag-bejegiskai","tag-kompiuteriu","tag-kvantiniu","tag-nuo","tag-perspeja","tag-sulauzytas","tag-tinklas","tag-udi","tag-wertheimeris","tag-zaibo"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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