{"id":251,"date":"2022-06-22T16:29:01","date_gmt":"2022-06-22T16:29:01","guid":{"rendered":"https:\/\/securitybriefing.net\/?p=251"},"modified":"2022-06-22T16:29:01","modified_gmt":"2022-06-22T16:29:01","slug":"mennyire-biztonsagos-a-blokklanc-technologia","status":"publish","type":"post","link":"https:\/\/securitybriefing.net\/hu\/kriptovaluta\/mennyire-biztonsagos-a-blokklanc-technologia\/","title":{"rendered":"Mennyire biztons\u00e1gos a blokkl\u00e1nc technol\u00f3gia?"},"content":{"rendered":"<p><span data-preserver-spaces=\"true\">Mi a blokkl\u00e1nc technol\u00f3gia? Lehet, hogy mostan\u00e1ban sokat hallottad ezt a kifejez\u00e9st, de mit is jelent val\u00f3j\u00e1ban? R\u00f6viden, a blokkl\u00e1nc technol\u00f3gia egy m\u00f3dja annak, hogy biztons\u00e1gosan \u00e9s \u00e1tl\u00e1that\u00f3an osszunk meg adatokat k\u00e9t vagy t\u00f6bb f\u00e9l k\u00f6z\u00f6tt. A blokkl\u00e1nc technol\u00f3gia szigor\u00faan korl\u00e1toz\u00f3 matematikai \u00e9s szoftveres szab\u00e1lyoz\u00e1sokon alapul, amelyek megnehez\u00edtik a hackel\u00e9st vagy a manipul\u00e1l\u00e1st, \u00edgy nagyon biztons\u00e1gos lehet\u0151s\u00e9get k\u00edn\u00e1l az adat\u00e1tvitelre. K\u00fcl\u00f6n\u00f6sen j\u00f3l alkalmazhat\u00f3 olyan helyzetekben, ahol a bizalom \u00e9s az ellen\u0151rz\u00e9s kritikus, p\u00e9ld\u00e1ul p\u00e9nz\u00fcgyi tranzakci\u00f3k vagy inform\u00e1ci\u00f3megoszt\u00e1s olyan emberek k\u00f6z\u00f6tt, akik nem ismerik egym\u00e1st.<\/span><\/p>\n<h2><span data-preserver-spaces=\"true\">A blokkl\u00e1nc biztons\u00e1gi int\u00e9zked\u00e9sei<\/span><\/h2>\n<p><span data-preserver-spaces=\"true\">A blokkl\u00e1nc technol\u00f3gia egyik f\u0151 el\u0151nye a biztons\u00e1g. Mivel a blokkl\u00e1nc minden egyes blokkja tartalmazza az el\u0151z\u0151 blokk kriptogr\u00e1fiai hash-\u00e9t, neh\u00e9z hamis adatokat beilleszteni a l\u00e1ncba. Ahhoz, hogy sikeresen manipul\u00e1lj\u00e1k az adatokat egy blokkl\u00e1ncban, meg kellene v\u00e1ltoztatniuk az aktu\u00e1lis blokk adatait \u00e9s az \u00f6sszes ut\u00e1na k\u00f6vetkez\u0151 blokkot is \u2013 ami egyre nehezebb\u00e9 \u00e9s k\u00f6lts\u00e9gesebb\u00e9 v\u00e1lik, ahogy t\u00f6bb blokk ker\u00fcl a l\u00e1ncba.<\/span><\/p>\n<p><span data-preserver-spaces=\"true\">Egy m\u00e1sik biztons\u00e1gi int\u00e9zked\u00e9s, amely k\u00fcl\u00f6n\u00f6sen alkalmass\u00e1 teszi a blokkl\u00e1ncot p\u00e9nz\u00fcgyi tranzakci\u00f3kra, a decentraliz\u00e1lt term\u00e9szete. Ellent\u00e9tben a hagyom\u00e1nyos bankrendszerekkel, amelyek k\u00f6zponti hat\u00f3s\u00e1gokra t\u00e1maszkodnak a tranzakci\u00f3k ellen\u0151rz\u00e9s\u00e9re \u00e9s j\u00f3v\u00e1hagy\u00e1s\u00e1ra, a blokkl\u00e1nc lehet\u0151v\u00e9 teszi a felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra, hogy k\u00f6zvetlen\u00fcl egym\u00e1ssal tranzakt\u00e1ljanak, harmadik f\u00e9l bevon\u00e1sa n\u00e9lk\u00fcl. Ez\u00e1ltal a tranzakci\u00f3k gyorsabb\u00e1 \u00e9s hat\u00e9konyabb\u00e1 v\u00e1lnak, \u00e9s cs\u00f6kken a csal\u00e1s vagy manipul\u00e1ci\u00f3 kock\u00e1zata, mivel nincs k\u00f6zponti ellen\u0151rz\u00e9si pont.<\/span><\/p>\n<h2><span data-preserver-spaces=\"true\">A blokkl\u00e1nc technol\u00f3gia felhaszn\u00e1l\u00e1si ter\u00fcletei<\/span><\/h2>\n<p><span data-preserver-spaces=\"true\">A biztons\u00e1gi el\u0151nyein t\u00fal a blokkl\u00e1nc technol\u00f3gi\u00e1nak sz\u00e1mos m\u00e1s potenci\u00e1lis felhaszn\u00e1l\u00e1si m\u00f3dja is van. P\u00e9ld\u00e1ul haszn\u00e1lhat\u00f3 lenne manipul\u00e1ci\u00f3mentes szavaz\u00e1si rendszerek, f\u00f6ldnyilv\u00e1ntart\u00e1sok vagy orvosi nyilv\u00e1ntart\u00e1sok l\u00e9trehoz\u00e1s\u00e1ra. Haszn\u00e1lhat\u00f3 lenne tov\u00e1bb\u00e1 az ell\u00e1t\u00e1si l\u00e1ncok egyszer\u0171s\u00edt\u00e9s\u00e9re vagy annak biztos\u00edt\u00e1s\u00e1ra, hogy \u00e9rz\u00e9keny adatok ne sziv\u00e1rogjanak ki. A lehet\u0151s\u00e9gek v\u00e9gtelenek -, \u00e9s ahogy a technol\u00f3gia tov\u00e1bb fejl\u0151dik, val\u00f3sz\u00edn\u0171leg m\u00e9g t\u00f6bb innovat\u00edv felhaszn\u00e1l\u00e1si m\u00f3dot fogunk l\u00e1tni.<\/span><\/p>\n<p><span data-preserver-spaces=\"true\">A blokkl\u00e1nc technol\u00f3gia m\u00e9g mindig korai szakasz\u00e1ban van, \u00e9s n\u00e9h\u00e1ny kih\u00edv\u00e1st kell megoldania, miel\u0151tt sz\u00e9les k\u00f6rben elterjedhetne. Azonban a potenci\u00e1lja tagadhatatlan \u2013 \u00e9s ahogy egyre t\u00f6bb v\u00e1llalkoz\u00e1s \u00e9s szervezet kezdi felfedezni a haszn\u00e1lati eseteit, val\u00f3sz\u00edn\u0171leg jelent\u0151s szerepet fog j\u00e1tszani abban, hogyan \u00e9l\u00fcnk \u00e9s dolgozunk a k\u00f6vetkez\u0151 \u00e9vekben.<\/span><\/p>\n<h2><span data-preserver-spaces=\"true\">A blokkl\u00e1nc biztons\u00e1gi kih\u00edv\u00e1sai<\/span><\/h2>\n<p><span data-preserver-spaces=\"true\">Az egyik kih\u00edv\u00e1s, amellyel a blokkl\u00e1nc technol\u00f3gia szembes\u00fcl, a sk\u00e1l\u00e1zhat\u00f3s\u00e1g. Mivel a blokkl\u00e1nc minden egyes blokkja tartalmazza az el\u0151z\u0151 blokk kriptogr\u00e1fiai hash-\u00e9t, a l\u00e1nc m\u00e9rete n\u00f6vekszik, ahogy t\u00f6bb blokk ker\u00fcl hozz\u00e1ad\u00e1sra \u2013 ami v\u00e9g\u00fcl lass\u00edthatja a rendszert. Egy m\u00e1sik kih\u00edv\u00e1s a korm\u00e1nyz\u00e1s. Mivel nincs k\u00f6zponti hat\u00f3s\u00e1g, amely ir\u00e1ny\u00edtan\u00e1 a blokkl\u00e1ncot, neh\u00e9z lehet v\u00e1ltoztat\u00e1sokat vagy friss\u00edt\u00e9seket v\u00e9grehajtani a rendszeren. Ez megnehez\u00edtheti az \u00faj szab\u00e1lyoz\u00e1sokhoz vagy ig\u00e9nyekhez val\u00f3 alkalmazkod\u00e1st.<\/span><\/p>\n<p><span data-preserver-spaces=\"true\">E kih\u00edv\u00e1sok ellen\u00e9re a blokkl\u00e1nc technol\u00f3gi\u00e1nak \u00f3ri\u00e1si potenci\u00e1lja van \u2013 \u00e9s m\u00e9g csak most kezdj\u00fck felfedezni, mire k\u00e9pes. Ahogy egyre t\u00f6bb v\u00e1llalkoz\u00e1s \u00e9s szervezet fedezi fel a haszn\u00e1lati eseteit \u00e9s tal\u00e1l m\u00f3dot a kih\u00edv\u00e1sok lek\u00fczd\u00e9s\u00e9re, val\u00f3sz\u00edn\u0171leg m\u00e9g t\u00f6bb innovat\u00edv alkalmaz\u00e1st fogunk l\u00e1tni ehhez az \u00e1talak\u00edt\u00f3 technol\u00f3gi\u00e1hoz az elk\u00f6vetkez\u0151 \u00e9vekben.<\/span><\/p>\n<h2><span data-preserver-spaces=\"true\">L\u00e9nyeg<\/span><\/h2>\n<p><span data-preserver-spaces=\"true\">A blokkl\u00e1nc technol\u00f3gia egy biztons\u00e1gos \u00e9s \u00e1tl\u00e1that\u00f3 m\u00f3dja annak, hogy adatokat osszunk meg k\u00e9t vagy t\u00f6bb f\u00e9l k\u00f6z\u00f6tt. Szigor\u00faan korl\u00e1toz\u00f3 matematikai \u00e9s szoftveres szab\u00e1lyoz\u00e1sokon alapul, amelyek megnehez\u00edtik a manipul\u00e1l\u00e1st, \u00edgy kiv\u00e1l\u00f3 lehet\u0151s\u00e9get k\u00edn\u00e1l az adat\u00e1tvitelre. Ezenk\u00edv\u00fcl a blokkl\u00e1nc decentraliz\u00e1lt term\u00e9szete gyorsabb\u00e1 \u00e9s hat\u00e9konyabb\u00e1 teszi a tranzakci\u00f3kat, mik\u00f6zben cs\u00f6kkenti a csal\u00e1s vagy manipul\u00e1ci\u00f3 kock\u00e1zat\u00e1t. B\u00e1r a blokkl\u00e1nc technol\u00f3gia m\u00e9g mindig korai szakasz\u00e1ban van, \u00f3ri\u00e1si potenci\u00e1llal rendelkezik, \u00e9s m\u00e9g csak most kezdj\u00fck felfedezni, mire k\u00e9pes.<\/span><\/p>\n\n\n\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Mi a blokkl\u00e1nc technol\u00f3gia? Lehet, hogy mostan\u00e1ban sokat hallott r\u00f3la, de mit is jelent val\u00f3j\u00e1ban? R\u00f6viden, a blokkl\u00e1nc technol\u00f3gia egy m\u00f3dja annak, hogy biztons\u00e1gosan \u00e9s \u00e1tl\u00e1that\u00f3an osszunk meg\u2026 <a class=\"more-link\" href=\"https:\/\/securitybriefing.net\/hu\/kriptovaluta\/mennyire-biztonsagos-a-blokklanc-technologia\/\">Folytat\u00e1s <span class=\"screen-reader-text\">Mennyire biztons\u00e1gos a blokkl\u00e1nc technol\u00f3gia?<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":252,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cryptocurrency","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Secure is Blockchain Technology? | Security Briefing<\/title>\n<meta name=\"description\" content=\"Find out what blockchain technology is, how secure it is, and the different ways in which you can use it today.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/securitybriefing.net\/hu\/kriptovaluta\/mennyire-biztonsagos-a-blokklanc-technologia\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Secure is Blockchain Technology? 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