{"id":65485,"date":"2026-09-09T09:45:12","date_gmt":"2026-09-09T09:45:12","guid":{"rendered":"https:\/\/crypto-globe.com\/?p=65485"},"modified":"2026-09-09T09:50:15","modified_gmt":"2026-09-09T09:50:15","slug":"ellophatjak-e-a-kvantumszamitogepek-egyszer-a-kriptovalutaidat-az-ethereum-mar-felkeszul-arra-a-napra-amikor-a-mai-biztonsag-nem-lesz-elegendo","status":"publish","type":"post","link":"https:\/\/crypto-globe.com\/hu\/ellophatjak-e-a-kvantumszamitogepek-egyszer-a-kriptovalutaidat-az-ethereum-mar-felkeszul-arra-a-napra-amikor-a-mai-biztonsag-nem-lesz-elegendo\/","title":{"rendered":"Ellophatj\u00e1k-e a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek egyszer a kriptovalut\u00e1idat? Az Ethereum m\u00e1r felk\u00e9sz\u00fcl arra a napra, amikor a mai biztons\u00e1g nem lesz elegend\u0151"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Egy olyan kvantumsz\u00e1m\u00edt\u00f3g\u00e9p elk\u00e9pzel\u00e9se, amely r\u00f6vid id\u0151n bel\u00fcl k\u00e9pes felt\u00f6rni egy kriptovaluta-t\u00e1rca v\u00e9delm\u00e9t \u00e9s hozz\u00e1f\u00e9rni annak tartalm\u00e1hoz, sci-fi-k\u00e9nt hangozhat. A kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek fejleszt\u00e9se azonban olyan gyorsan halad, hogy hasonl\u00f3 forgat\u00f3k\u00f6nyvre m\u00e1r k\u00e9sz\u00fclnek a technol\u00f3giai v\u00e1llalatok, korm\u00e1nyok \u00e9s maguk a blokkl\u00e1nc-h\u00e1l\u00f3zatok is. Az Ethereum most konkr\u00e9t hat\u00e1rid\u0151t hat\u00e1rozott meg \u2013 2029 v\u00e9g\u00e9ig szeretn\u00e9, hogy alapvet\u0151 infrastrukt\u00far\u00e1ja felk\u00e9sz\u00fclj\u00f6n egy olyan vil\u00e1gra, amelyben a jelenlegi kriptogr\u00e1fiai v\u00e9delem m\u00e1r nem biztos, hogy elegend\u0151.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A cikk tartalma: <\/h2>\n\n\n\n\n\n<h2 id=\"aioseo-ethereum-si-dalo-termin-prosinec-2029-3\" class=\"wp-block-heading\">Az Ethereum hat\u00e1rid\u0151t szabott: 2029 decembere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Az Ethereum Foundation szeptember elej\u00e9n nyilv\u00e1noss\u00e1gra hozta <a href=\"https:\/\/blog.ethereum.org\/2026\/09\/07\/protocol-priorities\" target=\"_blank\" rel=\"noopener\" title=\"\">a h\u00e1l\u00f3zat tov\u00e1bbi fejleszt\u00e9s\u00e9nek friss\u00edtett priorit\u00e1sait<\/a>. Az egyik legjelent\u0151sebb v\u00e1llal\u00e1s az a terv, hogy 2029 december\u00e9ig el\u00e9rj\u00e9k az Ethereum kvantum\u00e1ll\u00f3s\u00e1g\u00e1t tranzakci\u00f3s, konszenzus \u00e9s adatszinten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez nem azt jelenti, hogy a fejleszt\u0151k arra sz\u00e1m\u00edtanak, hogy 2030. janu\u00e1r 1-j\u00e9n valaki bekapcsol egy kvantumsz\u00e1m\u00edt\u00f3g\u00e9pet, \u00e9s elkezdi ki\u00fcr\u00edteni a kriptovaluta-t\u00e1rc\u00e1kat. Az Ethereum Foundation \u00e9ppen ellenkez\u0151leg, elismeri, hogy a legt\u00f6bb hiteles becsl\u00e9s az \u00fagynevezett Q-napot \u2013 azt a pillanatot, amikor a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek k\u00e9pesek lesznek t\u00e9nylegesen felt\u00f6rni a ma haszn\u00e1lt kriptogr\u00e1fi\u00e1t \u2013 t\u00e1volabbi j\u00f6v\u0151be tolja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A h\u00e1l\u00f3zat azonban \u00fagy d\u00f6nt\u00f6tt, hogy egy nagyon konzervat\u00edv forgat\u00f3k\u00f6nyvvel dolgozik, \u00e9s \u00fagy tervez, mintha a Q-nap m\u00e1r 2030 k\u00f6r\u00fcl bek\u00f6vetkezhetne. Az ok egyszer\u0171 \u2013 egy glob\u00e1lis blokkl\u00e1nc-h\u00e1l\u00f3zat kriptogr\u00e1fiai alapjainak cser\u00e9je nem valami, amit n\u00e9h\u00e1ny h\u00e9t alatt el lehet v\u00e9gezni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hasonl\u00f3an j\u00e1r el p\u00e9ld\u00e1ul a Google, amely szint\u00e9n <a href=\"https:\/\/blog.google\/innovation-and-ai\/technology\/safety-security\/cryptography-migration-timeline\/\" target=\"_blank\" rel=\"noopener\" title=\"\">2029-et jel\u00f6lte meg fontos hat\u00e1rid\u0151k\u00e9nt a rendszerek posztkvantum-kriptogr\u00e1fi\u00e1ra t\u00f6rt\u00e9n\u0151 migr\u00e1ci\u00f3j\u00e1hoz<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Ne hagyja ki: <a href=\"https:\/\/crypto-globe.com\/hu\/top-10-kriptovaluta-1-dollar-alatt-mely-olcso-tokenek-erdemesek-a-figyelemre\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Top 10 kriptovaluta 1 doll\u00e1r alatt<\/a><\/h3>\n\n\n\n<h2 id=\"aioseo-proc-jsou-vlastne-kryptomeny-pred-kvantovymi-pocitaci-zranitelne-9\" class=\"wp-block-heading\">Mi\u00e9rt is s\u00e9r\u00fcl\u00e9kenyek a kriptovalut\u00e1k a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pekkel szemben?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A kriptovalut\u00e1k a kriptogr\u00e1fi\u00e1n alapulnak. Ez t\u00f6bbek k\u00f6z\u00f6tt biztos\u00edtja, hogy a t\u00e1rc\u00e1ban l\u00e9v\u0151 eszk\u00f6z\u00f6kkel csak az a szem\u00e9ly rendelkezhet, aki a megfelel\u0151 priv\u00e1t kulcs birtok\u00e1ban van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nagyon leegyszer\u0171s\u00edtve az eg\u00e9sz rendszer egy sz\u00e9fhez hasonl\u00edthat\u00f3. A nyilv\u00e1nos blokkl\u00e1nc-c\u00edm megmutatja, hol tal\u00e1lhat\u00f3 a sz\u00e9f, m\u00edg a priv\u00e1t kulcs a kinyit\u00e1s\u00e1hoz sz\u00fcks\u00e9ges kombin\u00e1ci\u00f3t jelenti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hagyom\u00e1nyos sz\u00e1m\u00edt\u00f3g\u00e9pekn\u00e9l a matematikai probl\u00e9ma, amelyen a v\u00e9delem alapul, gyakorlatilag megoldhatatlan. Elm\u00e9letileg lehets\u00e9ges lenne a priv\u00e1t kulcsot kisz\u00e1m\u00edtani, a gyakorlatban azonban a jelenlegi sz\u00e1m\u00edt\u00e1si lehet\u0151s\u00e9gekkel ez haszn\u00e1lhatatlanul hossz\u00fa id\u0151t venne ig\u00e9nybe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek m\u00e1sk\u00e9pp m\u0171k\u00f6dnek. A kriptogr\u00e1fia szempontj\u00e1b\u00f3l els\u0151sorban a Shor-algoritmus fontos, amely egy kell\u0151en teljes\u00edtm\u00e9nyes kvantumsz\u00e1m\u00edt\u00f3g\u00e9p sz\u00e1m\u00e1ra lehet\u0151v\u00e9 tenn\u00e9 bizonyos matematikai probl\u00e9m\u00e1k dr\u00e1maian hat\u00e9konyabb megold\u00e1s\u00e1t, mint a mai g\u00e9pek eset\u00e9ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9ppen ezek a probl\u00e9m\u00e1k k\u00e9pezik ugyanakkor a mai internet \u00e9s a kriptovalut\u00e1k nagy r\u00e9sz\u00e9nek v\u00e9delm\u00e9nek alapj\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az Ethereum p\u00e9ld\u00e1ul <a href=\"https:\/\/ethereum.org\/roadmap\/security\/quantum-resistance\/\" target=\"_blank\" rel=\"noopener\" title=\"\">elliptikus g\u00f6rb\u00e9k kriptogr\u00e1fi\u00e1j\u00e1n alapul\u00f3 ECDSA algoritmust haszn\u00e1l<\/a> a tranzakci\u00f3k al\u00e1\u00edr\u00e1s\u00e1hoz. Tov\u00e1bbi kvantumszinten s\u00e9r\u00fcl\u00e9keny kriptogr\u00e1fiai technol\u00f3gi\u00e1kat haszn\u00e1l a valid\u00e1torok m\u0171k\u00f6d\u00e9s\u00e9n\u00e9l, az adatkezel\u00e9sn\u00e9l vagy bizonyos zero-knowledge bizony\u00edt\u00e9kokn\u00e1l is.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-1024x572.jpeg\" alt=\"Ethereum, Kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek\nFot\u00f3 forr\u00e1sa: Adobe Stock (AI \u00e1ltal gener\u00e1lva)\" class=\"wp-image-65468\" srcset=\"https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-1024x572.jpeg 1024w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-300x168.jpeg 300w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-767x428.jpeg 767w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-149x83.jpeg 149w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-299x167.jpeg 299w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-322x180.jpeg 322w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-695x388.jpeg 695w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace-1067x596.jpeg 1067w, https:\/\/crypto-globe.com\/wp-content\/uploads\/2026\/09\/Kvantove-pocitace.jpeg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 id=\"aioseo-vyzkumnici-letos-vyrazne-snizili-odhad-potrebneho-vykonu-17\" class=\"wp-block-heading\">A kutat\u00f3k id\u00e9n jelent\u0151sen cs\u00f6kkentett\u00e9k a sz\u00fcks\u00e9ges teljes\u00edtm\u00e9ny becsl\u00e9s\u00e9t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A t\u00e9ma s\u00fcrg\u0151ss\u00e9g\u00e9t n\u00f6velte egy id\u00e9n tavasszal a Google Quantum AI \u00e9s m\u00e1s int\u00e9zm\u00e9nyek szak\u00e9rt\u0151i \u00e1ltal k\u00f6zz\u00e9tett kutat\u00e1s. \u0150k arra a k\u00e9rd\u00e9sre \u00f6sszpontos\u00edtottak, milyen teljes\u00edtm\u00e9ny\u0171nek kellene lennie egy kvantumsz\u00e1m\u00edt\u00f3g\u00e9pnek ahhoz, hogy k\u00e9pes legyen felt\u00f6rni a t\u00f6bbek k\u00f6z\u00f6tt kriptovalut\u00e1k \u00e1ltal haszn\u00e1lt 256 bites elliptikus g\u00f6rbe kriptogr\u00e1fi\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/research.google\/blog\/safeguarding-cryptocurrency-by-disclosing-quantum-vulnerabilities-responsibly\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Google \u00e1ltal k\u00f6zz\u00e9tett kutat\u00e1s<\/a> szerint a t\u00e1mad\u00e1s egyik v\u00e1ltozata kevesebb mint 1200 logikai qubitet \u00e9s k\u00f6r\u00fclbel\u00fcl 90 milli\u00f3 \u00fagynevezett Toffoli-m\u0171veletet ig\u00e9nyelhet. Ez l\u00e9nyegesen alacsonyabb k\u00f6vetelm\u00e9ny, mint amit n\u00e9h\u00e1ny r\u00e9gebbi becsl\u00e9s sugallt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez azonban nem jelenti azt, hogy hasonl\u00f3 t\u00e1mad\u00e1st ma v\u00e9gre lehet hajtani. A logikai qubit ugyanis nem ugyanaz, mint a fizikai qubit, amelyr\u0151l a jelenlegi kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek bemutat\u00e1sakor \u00e1ltal\u00e1ban sz\u00f3 van. A kvantumrendszerek nagyon \u00e9rz\u00e9kenyek a hib\u00e1kra, \u00e9s egy megb\u00edzhat\u00f3 logikai qubit l\u00e9trehoz\u00e1sa \u00f6sszetett hibajav\u00edt\u00e1st \u00e9s nagyobb mennyis\u00e9g\u0171 fizikai hardvert ig\u00e9nyel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A mai k\u00eds\u00e9rleti kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek \u00e9s a kriptogr\u00e1fia m\u00f3dszeres megt\u00e1mad\u00e1s\u00e1ra k\u00e9pes g\u00e9p k\u00f6z\u00f6tt teh\u00e1t tov\u00e1bbra is jelent\u0151s technol\u00f3giai szakad\u00e9k van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fejleszt\u00e9s azonban megmutatja, mi\u00e9rt nem akarnak a biztons\u00e1gi szak\u00e9rt\u0151k megv\u00e1rni, am\u00edg ilyen g\u00e9p t\u00e9nylegesen l\u00e9tezik.<\/p>\n\n\n\n<h2 id=\"aioseo-co-by-se-stalo-kdyby-nekdo-kvantove-zabezpeceni-skutecne-prolomil-23\" class=\"wp-block-heading\">Mi t\u00f6rt\u00e9nne, ha valaki t\u00e9nyleg felt\u00f6rn\u00e9 a kvantumv\u00e9delmet?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A kriptovaluta-tulajdonosok sz\u00e1m\u00e1ra a legvesz\u00e9lyesebb forgat\u00f3k\u00f6nyv a priv\u00e1t kulcs nyilv\u00e1nosan el\u00e9rhet\u0151 inform\u00e1ci\u00f3kb\u00f3l t\u00f6rt\u00e9n\u0151 levezet\u00e9s\u00e9nek lehet\u0151s\u00e9ge lenne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ha a t\u00e1mad\u00f3 megszerezn\u00e9 egy t\u00e1rca priv\u00e1t kulcs\u00e1t, a blokkl\u00e1nc gyakorlatilag nem tudn\u00e1 megk\u00fcl\u00f6nb\u00f6ztetni \u0151t a t\u00e1rca t\u00e9nyleges tulajdonos\u00e1t\u00f3l. L\u00e9trehozhatna egy \u00e9rv\u00e9nyes tranzakci\u00f3t, \u00e9s m\u00e1shov\u00e1 utalhatn\u00e1 az eszk\u00f6z\u00f6ket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A blokkl\u00e1nc ek\u00f6zben technikailag pontosan \u00fagy m\u0171k\u00f6dne, ahogy kell. A probl\u00e9ma nem az lenne, hogy valaki \u201emeghackelte az Ethereumot&#8221;, hanem az, hogy megsz\u0171nne a matematikai felt\u00e9telez\u00e9s \u00e9rv\u00e9nyess\u00e9ge, amelyen a <a href=\"https:\/\/crypto-globe.com\/hu\/az-ai-sajat-penztarcat-kap-a-kriptovalutakat-forradalom-varhatja-amelyhez-mar-nem-lesz-szukseg-emberre\/\" target=\"_blank\" rel=\"noopener\" title=\"\">kriptovalut\u00e1k<\/a> tulajdonjog\u00e1nak igazol\u00e1sa \u00e1ll.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c9rdekes r\u00e9szlet vonatkozik azokra a t\u00e1rc\u00e1kra, amelyek soha nem k\u00fcldtek tranzakci\u00f3t. Az Ethereum szok\u00e1sos sz\u00e1ml\u00e1in\u00e1l tranzakci\u00f3 elk\u00fcld\u00e9sekor <a href=\"https:\/\/ethereum.org\/roadmap\/security\/quantum-resistance\/\">felfed\u00e9sre ker\u00fcl<\/a> olyan inform\u00e1ci\u00f3, amely lehet\u0151v\u00e9 teszi a nyilv\u00e1nos kulcs rekonstru\u00e1l\u00e1s\u00e1t. Ha a t\u00e1rca csak ETH-t fogadott, \u00e9s soha nem \u00edrt al\u00e1 tranzakci\u00f3t, a blokkl\u00e1ncon csak a nyilv\u00e1nos kulcsb\u00f3l levezetett c\u00edm l\u00e1that\u00f3, ami tov\u00e1bbi v\u00e9delmi r\u00e9teget biztos\u00edt sz\u00e1m\u00e1ra. Ennek ellen\u00e9re az Ethereum sz\u00e1mol azzal, hogy a j\u00f6v\u0151ben minden sz\u00e1ml\u00e1nak \u00e1t kellene t\u00e9rnie az \u00faj v\u00e9delem m\u00f3dj\u00e1ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Olvassa tov\u00e1bb: <a href=\"https:\/\/crypto-globe.com\/hu\/anycoin-a-cseh-uttoro-a-digitalis-penzugyi-vilagban\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Anycoin recenzi\u00f3<\/a><\/h3>\n\n\n\n<h2 id=\"aioseo-maji-se-investori-zacit-bat-o-sve-eth-29\" class=\"wp-block-heading\">Kezdjenek agg\u00f3dni a befektet\u0151k az ETH-juk miatt?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jelenleg nem. Az Ethereum a dokument\u00e1ci\u00f3j\u00e1ban kifejezetten r\u00f6gz\u00edti, hogy egyetlen mai kvantumsz\u00e1m\u00edt\u00f3g\u00e9p sem k\u00e9pes felt\u00f6rni az Ethereum kriptogr\u00e1fi\u00e1j\u00e1t. A felhaszn\u00e1l\u00f3knak ez\u00e9rt most nem kell \u00e1thelyezni\u00fck az ETH-t, p\u00e9nzt\u00e1rc\u00e1t v\u00e1ltaniuk vagy m\u00e1s rendk\u00edv\u00fcli l\u00e9p\u00e9seket tenni\u00fck. Sokkal fontosabb, hogy az \u00e1t\u00e1ll\u00e1s m\u00e9g a vesz\u00e9ly megjelen\u00e9se el\u0151tt kezd\u0151dj\u00f6n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az Ethereum az idei \u00e9v janu\u00e1rj\u00e1ban <a href=\"https:\/\/ethereum.org\/roadmap\/security\/quantum-resistance\/\" target=\"_blank\" rel=\"noopener\" title=\"\">l\u00e9trehozott<\/a> egy specializ\u00e1lt csapatot, amely a poszt-kvantum biztons\u00e1gra \u00f6sszpontos\u00edt. A fejleszt\u0151k m\u00e1r tesztelik az \u00faj kriptogr\u00e1fiai mechanizmusokat, \u00e9s t\u00f6bb mint t\u00edz Ethereum-klienst fejleszt\u0151 csapat vesz r\u00e9szt a rendszeres teszteken. A c\u00e9l nem az, hogy egyetlen friss\u00edt\u00e9s sor\u00e1n kidobj\u00e1k a jelenlegi kriptogr\u00e1fi\u00e1t \u00e9s lecser\u00e9lj\u00e9k \u00fajra. Az \u00e1talak\u00edt\u00e1s fokozatosan fog t\u00f6rt\u00e9nni.<\/p>\n\n\n\n<h2 id=\"aioseo-penezenky-budou-muset-ziskat-nove-zamky-32\" class=\"wp-block-heading\">A p\u00e9nzt\u00e1rc\u00e1knak \u00faj \u201ez\u00e1rakat&#8221; kell kapniuk<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Az egyik legfontosabb probl\u00e9ma a tranzakci\u00f3k al\u00e1\u00edr\u00e1s\u00e1nak m\u00f3dja. Az Ethereum ez\u00e9rt egy olyan koncepci\u00f3val dolgozik, amely lehet\u0151v\u00e9 tenn\u00e9 az egyes sz\u00e1ml\u00e1k sz\u00e1m\u00e1ra, hogy k\u00fcl\u00f6nb\u00f6z\u0151 al\u00e1\u00edr\u00e1s-hiteles\u00edt\u00e9si m\u00f3dszereket haszn\u00e1ljanak. Gyakorlatilag ez azt jelenten\u00e9, hogy a felhaszn\u00e1l\u00f3k a j\u00f6v\u0151ben \u00e1tv\u00e1lthatnak a mai kvantumt\u00e1mad\u00e1soknak kitett technol\u00f3gi\u00e1r\u00f3l egy \u00faj poszt-kvantum al\u00e1\u00edr\u00e1sra an\u00e9lk\u00fcl, hogy az eg\u00e9sz h\u00e1l\u00f3zatnak ugyanabban a pillanatban kellene megv\u00e1ltoztatnia a rendszert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ezzel kapcsolatos az EIP-8141 javaslat \u00e9s a nat\u00edv account abstraction sz\u00e9lesebb koncepci\u00f3ja is, amelyet az Ethereum a <a href=\"https:\/\/ethereum.org\/roadmap\/security\/\" target=\"_blank\" rel=\"noopener\" title=\"\">protokoll biztons\u00e1g\u00e1nak<\/a> tov\u00e1bbi er\u0151s\u00edt\u00e9s\u00e9re vonatkoz\u00f3 lehet\u0151s\u00e9gek k\u00f6z\u00f6tt eml\u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Egy \u00e1tlagos kriptovaluta-tulajdonos sz\u00e1m\u00e1ra az eredm\u00e9ny\u00fcl kapott v\u00e1ltoz\u00e1s l\u00e9nyegesen kev\u00e9sb\u00e9 dr\u00e1mai kellene, hogy legyen, mint amilyennek a technikai h\u00e1ttere hangzik. Az Ethereum felt\u00e9telezi, hogy amikor az \u00e1t\u00e1ll\u00e1sra val\u00f3ban sz\u00fcks\u00e9g lesz, maguk a kriptovaluta-p\u00e9nzt\u00e1rc\u00e1k vezetik majd v\u00e9gig a felhaszn\u00e1l\u00f3kat a migr\u00e1ci\u00f3s folyamaton. A poszt-kvantum kriptogr\u00e1fia k\u00e9zi tanulm\u00e1nyoz\u00e1sa helyett \u00edgy p\u00e9ld\u00e1ul egy \u00e9rtes\u00edt\u00e9s jelenhet meg az alkalmaz\u00e1sban, \u00e9s a fi\u00f3k \u00e1tker\u00fcl az \u00faj biztons\u00e1gi szabv\u00e1nyra.<\/p>\n\n\n\n<h2 id=\"aioseo-problem-se-netyka-jen-etherea-36\" class=\"wp-block-heading\">A probl\u00e9ma nem csak az Ethereumot \u00e9rinti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A kvantumfenyeget\u00e9s egy\u00e1ltal\u00e1n nem a m\u00e1sodik legnagyobb kriptovaluta specifikus probl\u00e9m\u00e1ja. Elliptikus g\u00f6rb\u00e9ket haszn\u00e1l a <a href=\"https:\/\/crypto-globe.com\/hu\/16-ev-utan-48-millio-dollar-erteku-bitcoin-mozdult-meg-a-piac-azt-talalgatja-kie-lehet\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Bitcoin<\/a> is, \u00e9s hasonl\u00f3 kriptogr\u00e1fiai elveket alkalmaz a digit\u00e1lis gazdas\u00e1g nagy r\u00e9sze. Egy kriptogr\u00e1fiailag relev\u00e1ns kvantumsz\u00e1m\u00edt\u00f3g\u00e9p potenci\u00e1lis megjelen\u00e9se ez\u00e9rt nem \u201ekripto probl\u00e9ma&#8221; lenne, hanem alapvet\u0151 esem\u00e9ny az eg\u00e9sz internet, a p\u00e9nz\u00fcgyi int\u00e9zm\u00e9nyek, korm\u00e1nyzati rendszerek \u00e9s digit\u00e1lis al\u00e1\u00edr\u00e1sok biztons\u00e1ga szempontj\u00e1b\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez\u00e9rt az \u00faj szabv\u00e1nyokon m\u00e1r t\u00f6bb \u00e9ve dolgoznak \u00e1llami int\u00e9zm\u00e9nyek is. Az amerikai National Institute of Standards and Technology (NIST) 2024 augusztus\u00e1ban <a href=\"https:\/\/csrc.nist.gov\/News\/2024\/postquantum-cryptography-fips-approved\" target=\"_blank\" rel=\"noopener\" title=\"\">fejezte be a poszt-kvantum kriptogr\u00e1fia els\u0151 h\u00e1rom f\u0151 szabv\u00e1ny\u00e1t<\/a>. Olyan algoritmusokr\u00f3l van sz\u00f3, amelyeket \u00fagy terveztek, hogy ellen\u00e1lljanak mind a hagyom\u00e1nyos, mind a j\u00f6v\u0151beli kvantumsz\u00e1m\u00edt\u00f3g\u00e9peknek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az \u00e1t\u00e1ll\u00e1s teh\u00e1t nem akkor kezd\u0151dik, amikor megjelenik az els\u0151 vesz\u00e9lyes kvantumg\u00e9p. Az inform\u00e1ci\u00f3biztons\u00e1gi vil\u00e1gban m\u00e1r zajlik.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Ne hagyja ki: <a href=\"https:\/\/crypto-globe.com\/hu\/madisonsix-ut-a-kriptovalutakhoz-technikai-terhek-nelkul\/\" target=\"_blank\" rel=\"noopener\" title=\"\">MadisonSix<\/a><\/h3>\n\n\n\n<h2 id=\"aioseo-co-je-q-day-a-proc-nikdo-nevi-kdy-prijde-41\" class=\"wp-block-heading\">Mi az a Q-day, \u00e9s mi\u00e9rt nem tudja senki, mikor j\u00f6n el?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A Q-day kifejez\u00e9s azt a hipotetikus pillanatot jel\u00f6li, amikor l\u00e9trej\u00f6n egy kell\u0151en nagy teljes\u00edtm\u00e9ny\u0171 \u00e9s megb\u00edzhat\u00f3 kvantumsz\u00e1m\u00edt\u00f3g\u00e9p, amely k\u00e9pes val\u00f3s t\u00e1mad\u00e1st ind\u00edtani a ma haszn\u00e1lt kriptogr\u00e1fiai rendszerek ellen. Senki sem tudja pontosan, mikor k\u00f6vetkezik be.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lehet a k\u00f6vetkez\u0151 \u00e9vtized eleje, lehet l\u00e9nyegesen t\u00e1volabbi, \u00e9s a technol\u00f3giai fejl\u0151d\u00e9s olyan akad\u00e1lyokba \u00fctk\u00f6zhet, amelyeket a mai el\u0151rejelz\u00e9sek nem vesznek figyelembe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az Ethereum Foundation ez\u00e9rt <a href=\"https:\/\/blog.ethereum.org\/2026\/09\/07\/protocol-priorities\" target=\"_blank\" rel=\"noopener\" title=\"\">hangs\u00falyozza<\/a>, hogy a 2030-as \u00e9v nem az \u0151 el\u0151rejelz\u00e9se. Sz\u00e1nd\u00e9kosan agressz\u00edv biztons\u00e1gi felt\u00e9telez\u00e9sr\u0151l van sz\u00f3. A h\u00e1l\u00f3zat \u00fagy akar felk\u00e9sz\u00fclni, mintha a kvantumfenyeget\u00e9s \u00e9ppen akkor \u00e9rkezhetne, ahelyett, hogy az optimist\u00e1bb becsl\u00e9sekre t\u00e1maszkodna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez l\u00e9nyeges k\u00fcl\u00f6nbs\u00e9g. Az <a href=\"https:\/\/trader-magazine.com\/hu\/cryptonews-hu\/a-bitcoinon-es-az-ethereumon-tul-hogyan-mukodnek-az-alternativ-kriptotrosztok-es-a-bchg-reszveny\/\" target=\"_blank\" rel=\"noopener\" title=\"\">Ethereum<\/a> nem \u00e1ll\u00edtja, hogy a kriptovalut\u00e1k kvantum-apokalipszise h\u00e1rom \u00e9v m\u00falva j\u00f6n el. Azt \u00e1ll\u00edtja, hogy ha a blokkl\u00e1ncnak az az amb\u00edci\u00f3ja, hogy m\u00e9g \u00e9vtizedekig m\u0171k\u00f6dj\u00f6n, nem \u00e9sszer\u0171 a probl\u00e9m\u00e1t akkor kezdeni megoldani, amikor m\u00e1r k\u00f6zvetlen vesz\u00e9lyt jelent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Egy olyan kvantumsz\u00e1m\u00edt\u00f3g\u00e9p elk\u00e9pzel\u00e9se, amely r\u00f6vid id\u0151n bel\u00fcl k\u00e9pes felt\u00f6rni egy kriptovaluta-t\u00e1rca v\u00e9delm\u00e9t \u00e9s hozz\u00e1f\u00e9rni annak tartalm\u00e1hoz, sci-fi-k\u00e9nt hangozhat. A kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek fejleszt\u00e9se azonban olyan gyorsan halad, hogy hasonl\u00f3 forgat\u00f3k\u00f6nyvre m\u00e1r k\u00e9sz\u00fclnek a technol\u00f3giai v\u00e1llalatok, korm\u00e1nyok \u00e9s maguk a blokkl\u00e1nc-h\u00e1l\u00f3zatok is. Az Ethereum most konkr\u00e9t hat\u00e1rid\u0151t hat\u00e1rozott meg \u2013 2029 v\u00e9g\u00e9ig szeretn\u00e9, hogy alapvet\u0151 infrastrukt\u00far\u00e1ja felk\u00e9sz\u00fclj\u00f6n [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":65475,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[15],"tags":[1411,16,1410],"class_list":["post-65485","post","type-post","status-publish","format-standard","has-post-thumbnail","category-kryptomeny","tag-ethereum","tag-kryptomeny","tag-kvantove-pocitace"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Ethereum 2029-ig szeretne felk\u00e9sz\u00fclni a kvantumsz\u00e1m\u00edt\u00f3g\u00e9pek fenyeget\u00e9s\u00e9re. 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