{"id":7598,"date":"2021-07-08T23:47:00","date_gmt":"2021-07-08T20:47:00","guid":{"rendered":"https:\/\/alfacash.blog\/?p=7598"},"modified":"2024-02-19T21:51:32","modified_gmt":"2024-02-19T18:51:32","slug":"a-top-5-legnagyobb-kripto-hack-tortenelem","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/hu\/2021\/07\/08\/a-top-5-legnagyobb-kripto-hack-tortenelem\/","title":{"rendered":"Top 5: A t\u00f6rt\u00e9nelem legnagyobb kripto-hackel\u00e9sei"},"content":{"rendered":"<p>Nem sz\u00e1m\u00edt, mi van: a digit\u00e1lis vil\u00e1gban n\u00e9ha mindenf\u00e9le szolg\u00e1ltat\u00e1st felt\u00f6rhetnek. Sajnos a let\u00e9tbe helyezett kriptovalutat\u0151zsd\u00e9k \u00e9s n\u00e9h\u00e1ny kapcsol\u00f3d\u00f3 szolg\u00e1ltat\u00e1s nem kiv\u00e9tel. A blokkl\u00e1ncok \u00e1ltal\u00e1ban biztons\u00e1gosak, \u00e9s szinte lehetetlen megt\u00f6rni \u0151ket. Ha azonban hatalmas mennyis\u00e9g\u0171 kriptovalut\u00e1t csak egy c\u00e9g ir\u00e1ny\u00edt, akkor a legnagyobb kriptovalut\u00e1k biztosan megt\u00f6rt\u00e9nnek.<\/p>\n\n\n\n<p>A blokkl\u00e1nc biztons\u00e1gi c\u00e9g szerint <a href=\"https:\/\/hacked.slowmist.io\/en\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">SlowMist<\/a>, <strong>a hackerek \u00e1ltal a titkos\u00edt\u00e1si platformokr\u00f3l \u00e9s szolg\u00e1ltat\u00e1sokb\u00f3l ellopott teljes \u00f6sszeg t\u00f6bb mint $17,4 milli\u00e1rd 2012 \u00f3ta<\/strong>. \u00c9s m\u00e9g csak nem is tartalmazz\u00e1k <a href=\"https:\/\/alfacash.blog\/2021\/06\/02\/what-happened-may-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">sz\u00e1mos incidens<\/a> a Binance Smart Chain (BSC) belsej\u00e9ben. De ha m\u00e1r a legnagyobbakr\u00f3l besz\u00e9l\u00fcnk, akkor m\u00e1r \u00e9vek \u00f3ta t\u00f6rt\u00e9nnek kriptovalut\u00e1k.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Hogyan k\u00e9sz\u00fclnek a legnagyobb kripto-hack-ek<\/strong><\/h2>\n\n\n\n<p>Legt\u00f6bbj\u00fck vagy a t\u0151zsde priv\u00e1t kulcsainak kisziv\u00e1rogtat\u00e1sa vagy a v\u00e1llalat adatb\u00e1zis\u00e1ban t\u00f6rt\u00e9nt jogosulatlan m\u00f3dos\u00edt\u00e1sok miatt volt lehets\u00e9ges. <a href=\"https:\/\/medium.com\/lgogroup\/why-institutions-will-not-use-centralized-cryptocurrency-exchanges-dc5ef711eb4a\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Egy kis magyar\u00e1zat<\/a>: miut\u00e1n elk\u00fcldte nekik p\u00e9nzeszk\u00f6zeit, \u00f6sszekeverik \u0151ket a t\u00f6bbiekkel egyetlen vagy n\u00e9h\u00e1ny kriptovaluta p\u00e9nzt\u00e1rc\u00e1ban, a v\u00e1llalat teljes ellen\u0151rz\u00e9se alatt.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-1024x682.jpg\" alt=\"strongbox-sz\u00e9fek-kripto-staking\" class=\"wp-image-6576\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/02\/bank-5881296_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Ezut\u00e1n a fi\u00f3kj\u00e1ban l\u00e1that\u00f3 egyenleg alig egy \u201ehatalmas IOU\u201d, amelyet egy hatalmas bels\u0151 adatb\u00e1zisban regisztr\u00e1ltak. Teh\u00e1t, ha valakinek siker\u00fcl megt\u00f6rnie ennek az adatb\u00e1zisnak a biztons\u00e1g\u00e1t (ami sokkal k\u00f6nnyebb, mint a \u201efelt\u00f6r\u00e9s\u201d a <a href=\"https:\/\/alfacash.blog\/2020\/08\/30\/dummies-what-is-blockchain-how-it-works\/\" target=\"_blank\" rel=\"noreferrer noopener\">blokkl\u00e1nc<\/a>), becsaphatj\u00e1k a rendszert, hogy regisztr\u00e1lja, hogy a sz\u00e1ml\u00e1jukon val\u00f3ban van olyan p\u00e9nz\u00f6sszeg, amelyre nincs.<\/p>\n\n\n\n<p><strong>A hacker (ek) gyorsan visszavonj\u00e1k a p\u00e9nzt, \u00e9s a rabl\u00e1s akkor fejez\u0151dik be<\/strong>. Val\u00f3sz\u00edn\u0171leg az \u0151rizetbe vett t\u0151zsde t\u00fal k\u00e9s\u0151n veszi \u00e9szre. Ez\u00e9rt nagyon tan\u00e1csos, hogy ne hagyja a kriptovalut\u00e1kat sok\u00e1ig a let\u00e9ti csere sor\u00e1n. M\u00e1sr\u00e9szt a felhaszn\u00e1l\u00f3k fellebbezhetnek a szabads\u00e1gon k\u00edv\u00fcli cser\u00e9kre is (pl <a href=\"https:\/\/www.alfa.cash\/\" target=\"_blank\" rel=\"noreferrer noopener\">Alfacash<\/a>), ahol teljes m\u00e9rt\u00e9kben ellen\u0151rizhetik a p\u00e9nz\u00fcket.<\/p>\n\n\n\n<p>Ezzel azt mondjuk, n\u00e9zz\u00fck meg a t\u00f6rt\u00e9nelem legnagyobb kriptohackjait!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bitgrail<\/strong><\/h2>\n\n\n\n<p>Rossz nap volt ez a Nano (XRB) k\u00f6z\u00f6ss\u00e9g sz\u00e1m\u00e1ra. 2018. febru\u00e1r 9-\u00e9n az olasz Bitgrail kripto-t\u0151zsde k\u00f6zz\u00e9tette a <a href=\"https:\/\/web.archive.org\/web\/20180215053431\/https:\/bitgrail.com\/news\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">rossz bejelent\u00e9s<\/a> weboldal\u00e1n. A bels\u0151 platform ellen\u0151rz\u00e9se sor\u00e1n \u00e9szrevett\u00e9k, hogy valaki valamikor <strong>17 milli\u00f3 XRB -t tudott ellopni, ami akkor t\u00f6bb mint $192 milli\u00f3nak felelt meg.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"665\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg\" alt=\"legnagyobb-kripto-hack-bitgrail\" class=\"wp-image-5696\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-1024x665.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-300x195.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-150x97.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-270x175.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-770x500.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-782x508.jpg 782w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-793x515.jpg 793w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-370x240.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-554x360.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-306x199.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-260x169.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280-87x56.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hacker-2851143_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Francisco Firano, a Bitgrail alap\u00edt\u00f3ja a Nano fejleszt\u0151it hib\u00e1ztatta az incidens\u00e9rt, a blokkl\u00e1nc sebezhet\u0151s\u00e9g\u00e9re hivatkozva. A b\u00edr\u00f3s\u00e1g bebizony\u00edtotta, hogy t\u00e9vedett, a jogi k\u00f6lts\u00e9geket r\u00e9szben a Nano csapata fizette. A rend\u0151rs\u00e9gi vizsg\u00e1latok meg\u00e1llap\u00edtott\u00e1k, hogy a t\u0151zsd\u00e9n p\u00e9nzeszk\u00f6z\u00f6k vannak egy sebezhet\u0151 helyen <a href=\"https:\/\/alfacash.blog\/2021\/02\/03\/how-to-choose-first-crypto-wallet-tips-tricks\/\" target=\"_blank\" rel=\"noreferrer noopener\">forr\u00f3 p\u00e9nzt\u00e1rca<\/a>\u00e9s Firano nem tudta megfelel\u0151en r\u00f6gz\u00edteni \u0151ket. <a href=\"https:\/\/cointelegraph.com\/news\/owner-of-hacked-crypto-exchange-bitgrail-sentenced-to-return-funds-to-customers\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ennek eredm\u00e9nyek\u00e9nt<\/a>, \u0151 volt a felel\u0151s a vesztes\u00e9gek kifizet\u00e9s\u00e9\u00e9rt, \u00e9s minden vagyon\u00e1t lefoglalt\u00e1k.<\/p>\n\n\n\n<p>Sajnos ez nem volt elegend\u0151 a vesztes\u00e9gek fedez\u00e9s\u00e9re. Az \u00e1ldozatok azok <a href=\"https:\/\/www.reddit.com\/r\/nanocurrency\/comments\/cbxrqn\/can_i_recover_my_money_from_bitgrail_got_an_email\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">m\u00e9g v\u00e1r<\/a> teljes visszat\u00e9r\u00edt\u00e9sre. Ek\u00f6zben a Bitgrail m\u00e1r nem l\u00e9tezik, \u00e9s az XRB\/NANO \u00e1ra az\u00f3ta t\u00f6bb mint 63% -kal cs\u00f6kkent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>KuCoin<\/strong><\/h2>\n\n\n\n<p>Ez a leg\u00fajabb a list\u00e1n. 2020. szeptember 25-\u00e9n a KuCoin szingap\u00fari kripto-csere <a href=\"https:\/\/www.kucoin.com\/news\/en-kucoin-security-incident-update\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">bejelentett<\/a> nagy horderej\u0171 hackel\u00e9ssel <a href=\"https:\/\/alfacash.blog\/2020\/08\/20\/how-buy-bitcoin-simple-steps-nice-recipe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Bitcoin<\/a>, ERC-20 tokenek \u00e9s egy\u00e9b eszk\u00f6z\u00f6k. Kezdetben nem eml\u00edtett\u00e9k a pontos \u00f6sszeget, de egyes forr\u00e1sok $150 milli\u00f3 felett sz\u00e1moltak. <strong>Nem sokkal k\u00e9s\u0151bb az ellopott teljes \u00f6sszeget $285 milli\u00f3nak tal\u00e1lt\u00e1k.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-1024x682.jpg\" alt=\"malacka-bank-\u00e9rm\u00e9k-kript\u00f3k\" class=\"wp-image-6500\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/01\/money-2180338_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Egy rosszindulat\u00fa harmadik f\u00e9l megt\u00e1madta a forr\u00f3 p\u00e9nzt\u00e1rc\u00e1jukat, de a t\u0151zsde v\u00e1llalta a felel\u0151ss\u00e9get, \u00e9s meg\u00edg\u00e9rte, hogy sz\u00fcks\u00e9g eset\u00e9n visszat\u00e9r\u00edti a felhaszn\u00e1l\u00f3kat. Gyorsan egy\u00fcttm\u0171k\u00f6dtek m\u00e1s titkos\u00edt\u00e1si t\u0151zsd\u00e9kkel, a k\u00f6z\u00f6ss\u00e9ggel \u00e9s a hat\u00f3s\u00e1gokkal a p\u00e9nzeszk\u00f6z\u00f6k nyomon k\u00f6vet\u00e9s\u00e9ben \u00e9s visszaszerz\u00e9s\u00e9ben. Meglep\u0151 m\u00f3don ennek a t\u00f6rt\u00e9netnek happy end a v\u00e9ge. A list\u00e1n szerepl\u0151 \u00f6sszes k\u00f6z\u00fcl a KuCoin volt az egyetlen, aki t\u00e9nylegesen visszaszerezte a legt\u00f6bb p\u00e9nzt <a href=\"https:\/\/alfacash.blog\/2020\/10\/04\/malware-can-steal-cryptos-how-avoid-it\/\" target=\"_blank\" rel=\"noreferrer noopener\">a hackereket<\/a>.<\/p>\n\n\n\n<p>Alapj\u00e1n <a href=\"https:\/\/medium.com\/kucoinexchange\/a-letter-from-the-kucoin-ceo-2020-2021-and-beyond-b9a509f8aa0f\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">egy lev\u00e9l<\/a> Johnny Lyu, a KuCoin vez\u00e9rigazgat\u00f3ja, sikeresen visszaszerezt\u00e9k 78% -t az ellopott p\u00e9nzeszk\u00f6z\u00f6kb\u0151l, ha m\u00e1s t\u0151zsd\u00e9kkel \u00e9s partnerekkel dolgoztak egy\u00fctt. Blokkl\u00e1ncon kereszt\u00fcl k\u00f6vett\u00e9k nyomon az alapokat, m\u00e1s t\u0151zsd\u00e9k pedig blokkolt\u00e1k a hackerek \u00e1ltal v\u00e9grehajtott tranzakci\u00f3kat, \u00e9s lefoglalt\u00e1k a tokeneket. Tov\u00e1bbi 16% -t fedezett a biztos\u00edt\u00e1s, a fennmarad\u00f3 6% -t pedig a b\u0171n\u00fcld\u00f6z\u0151 \u00e9s biztons\u00e1gi int\u00e9zm\u00e9nyek szerezt\u00e9k vissza. A KuCoin most is norm\u00e1lisan m\u0171k\u00f6dik. \u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Coincheck<\/strong><\/h2>\n\n\n\n<p>Val\u00f3sz\u00edn\u0171leg, <a href=\"https:\/\/cryptonews.com\/news\/coincheck-hacked-more-than-500-million-xem-stolen-1093.htm\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ezt a t\u00e1mad\u00e1st<\/a> egyesek a t\u00f6rt\u00e9nelem legnagyobb kriptohackel\u00e9s\u00e9nek tekinthetik. Az \u00e9rintett kriptovaluta \u00e9rt\u00e9k\u00e9nek v\u00e1ltoz\u00e1sa \u00e9s a k\u00f6vetkezm\u00e9nyek miatt azonban ezt a helyet m\u00e1soknak tartottuk itt. Ez azonban nem jelenti azt, hogy nem volt nagy. Hatalmas volt: <strong>t\u00f6bb mint $530 milli\u00f3t loptak el NEM -ben (XEM) egyik napr\u00f3l a m\u00e1sikra.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"797\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg\" alt=\"\" class=\"wp-image-6090\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-1024x797.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-300x233.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-150x117.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-15x12.jpg 15w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-231x180.jpg 231w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-662x515.jpg 662w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-653x508.jpg 653w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-370x288.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-554x431.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-306x238.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-315x245.jpg 315w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-257x200.jpg 257w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280-87x67.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/11\/bug-4297771_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Ugyanazt a hib\u00e1t k\u00f6vett\u00e9k el, mint a Bitgrail: a p\u00e9nzeszk\u00f6z\u00f6ket forr\u00f3 p\u00e9nzt\u00e1rc\u00e1ban tarts\u00e1k, a hideg p\u00e9nzt\u00e1rca helyett (az interneten k\u00edv\u00fcl). Az els\u0151 esettel ellent\u00e9tben azonban <a href=\"https:\/\/alfacash.blog\/2021\/02\/10\/top-5-most-crypto-friendly-countries-taxes\/\" target=\"_blank\" rel=\"noreferrer noopener\">a jap\u00e1nokat<\/a> Coincheck teljes felel\u0151ss\u00e9get v\u00e1llalt a jogs\u00e9rt\u00e9s\u00e9rt. Az esem\u00e9ny \u00f3ta, 2018. janu\u00e1rj\u00e1ban felf\u00fcggesztett\u00e9k minden tev\u00e9kenys\u00e9g\u00e9t. M\u00e1rciusra \u00fajra megkezdt\u00e9k tev\u00e9kenys\u00e9g\u00fcket \u00e9s megkezdt\u00e9k a <a href=\"https:\/\/corporate.coincheck.com\/2018\/03\/12\/47.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">visszat\u00e9r\u00edt\u00e9si terv<\/a> az \u00e1ldozatok sz\u00e1m\u00e1ra. A lopott \u00f6sszeg 526 milli\u00f3 XEM volt. Az\u00f3ta a token \u00e1r t\u00f6bb mint 90% -kal cs\u00f6kkent.<\/p>\n\n\n\n<p>A Coincheck t\u00e1mad\u00e1s fordul\u00f3pontot jelentett a jap\u00e1n kriptov\u00e1llalatok sz\u00e1m\u00e1ra. Az esem\u00e9ny ut\u00e1n ebben az orsz\u00e1gban szigorodtak a kriptovalut\u00e1kra vonatkoz\u00f3 szab\u00e1lyok. M\u00e1s okok miatt, <a href=\"https:\/\/alfacash.blog\/2021\/03\/29\/discover-monero-how-use-it-full-privacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">priv\u00e1t kriptovalut\u00e1k<\/a> betiltott\u00e1k, \u00e9s a szolg\u00e1ltat\u00f3kra vonatkoz\u00f3 m\u0171k\u00f6d\u00e9si k\u00f6vetelm\u00e9nyek n\u00f6vekedtek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bitfinex<\/strong><\/h2>\n\n\n\n<p>2016. augusztus 2 -\u00e1n k\u00f6zel 120 000 BTC -t loptak el ebb\u0151l <a href=\"https:\/\/alfacash.blog\/2021\/03\/11\/top-countries-most-crypto-users-laws\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hongkongi sz\u00e9khely\u0171<\/a> titkos\u00edt\u00e1si csere a biztons\u00e1gi rendszerek megs\u00e9rt\u00e9se miatt. Az esem\u00e9ny ut\u00e1n nem kevesen gondolt\u00e1k \u00fagy, hogy v\u00e9ge a t\u00e1rsas\u00e1gnak. Addigra az \u00f6sszeg t\u00f6bb mint $75 milli\u00f3ra emelkedett, de ennyi \u00e9v alatt csak n\u00e9h\u00e1nyszor mozgatt\u00e1k. <strong>A hackerek tov\u00e1bbra is k\u00f6r\u00fclbel\u00fcl 118 000 BTC -t t\u00e1rolnak a p\u00e9nzt\u00e1rc\u00e1jukban, ami most t\u00f6bb mint $3,7 milli\u00e1rdot \u00e9r, nem kevesebb<\/strong>. Val\u00f3j\u00e1ban az egyik legnagyobb kripto-hack.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-1024x682.jpg\" alt=\"bitcoin-\u00e9rm\u00e9k-maroknyi-p\u00e9nzt\u00e1rca\" class=\"wp-image-5779\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-1024x682.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-300x200.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-150x100.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-270x180.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-770x513.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-762x508.jpg 762w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-773x515.jpg 773w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-370x247.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-554x369.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-306x204.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-368x245.jpg 368w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-260x173.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2020\/10\/hands-4348717_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>De m\u00e9g 2016 -ban a Bitfinex n\u00e9h\u00e1ny napra besz\u00fcntette minden tev\u00e9kenys\u00e9g\u00e9t, \u00e9s szocializ\u00e1lta a vesztes\u00e9geket (ami miatt minden felhaszn\u00e1l\u00f3nak 36% -vel kevesebb volt az egyenlege). \u0150k is megalkott\u00e1k a <a href=\"https:\/\/www.bitfinex.com\/posts\/184\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">BFX tokenek<\/a>, amelyek az egyes portf\u00f3li\u00f3kban maradnak mindaddig, am\u00edg a t\u0151zsde le nem z\u00e1rja az ad\u00f3ss\u00e1got, vagy am\u00edg az \u00fcgyf\u00e9l \u00fagy nem d\u00f6nt, hogy kicser\u00e9li \u0151ket a t\u00e1rsas\u00e1g r\u00e9szv\u00e9nyeire.<\/p>\n\n\n\n<p>Az els\u0151 visszat\u00e9r\u00edt\u00e9sek az \u00fcgyfeleknek 2016 szeptember\u00e9ben kezd\u0151dtek. Nyolc h\u00f3nap eltelt\u00e9vel a vesztes\u00e9geket fedezt\u00e9k, b\u00e1r az ellopott \u00f6sszeg csek\u00e9ly \u00f6sszege <a href=\"https:\/\/medium.com\/bitfinex\/bitcoins-returned-to-bitfinex-by-u-s-government-51fe84e8bb12\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">helyre\u00e1llt<\/a>. \u00dagy t\u0171nik, hogy a hackereknek gondjaik vannak a mos\u00e1ssal \u00e9s a cser\u00e9vel is, legal\u00e1bbis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A valaha volt legnagyobb kripto-hack: Mt. Gox<\/strong><\/h2>\n\n\n\n<p>Ez a jap\u00e1n csere 2013 tele volt \u00e9rzelmekkel. A vil\u00e1g lett <a href=\"https:\/\/alfacash.blog\/2021\/06\/30\/5-ways-make-private-transactions-bitcoin\/\" target=\"_blank\" rel=\"noreferrer noopener\">vezet\u0151 Bitcoin<\/a> \u00e1rfolyam, mivel \u00e1prilisig a tranzakci\u00f3k t\u00f6bb mint 70% -j\u00e9t kezelte. \u00c9s \u00e9ppen az\u00e9rt, mert nem volt t\u00fal k\u00e9pes kezelni ezt a nagy volumenet, ugyanaz a h\u00f3nap n\u00e9h\u00e1ny napra le\u00e1ll\u00edtotta a m\u0171veleteket a <a href=\"https:\/\/alfacash.blog\/2020\/09\/20\/price-bitcoin-5-times-people-thought-was-dead\/\" target=\"_blank\" rel=\"noreferrer noopener\">BTC \u00f6sszeoml\u00e1s<\/a> -52% 6 \u00f3ra alatt. \u00c9s ez m\u00e9g csak a v\u00e9g kezdete.<\/p>\n\n\n\n<p>2014. febru\u00e1r 7 -\u00e9n, <a href=\"https:\/\/www.wired.com\/2014\/03\/bitcoin-exchange\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mt. Gox<\/a> le\u00e1ll\u00edtotta az \u00f6sszes bitcoin -kivon\u00e1st, \u00e9s szisztematikus kifog\u00e1sokat kezdett keresni \u00e9rte. Vez\u00e9rigazgat\u00f3ja, Mark Karpel\u00e8s lemondott az Bitcoin Alap\u00edtv\u00e1ny igazgat\u00f3s\u00e1g\u00e1r\u00f3l, \u00e9s t\u00f6r\u00f6lte az \u00f6sszes tweetj\u00e9t. A t\u00f6bbi keresked\u00e9si m\u0171veletet felf\u00fcggesztett\u00e9k, \u00e9s v\u00e9g\u00fcl a webhely a h\u00f3nap v\u00e9g\u00e9re offline \u00e1llapotba ker\u00fclt.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"609\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-1024x609.jpg\" alt=\"T\u00f6r\u00f6korsz\u00e1g-tilt\u00e1sok-kriptogr\u00e1f-Dogecoin\" class=\"wp-image-7172\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-1024x609.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-150x89.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-260x155.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-87x52.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-300x178.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-scaled.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-770x458.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-854x508.jpg 854w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-866x515.jpg 866w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-370x220.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-554x329.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/04\/no-access-5043758_1280-306x182.jpg 306w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p>Az \u00e9rintett felhaszn\u00e1l\u00f3k hamar r\u00e1j\u00f6nnek a sz\u00f6rny\u0171 igazs\u00e1gra. Ut\u00e1n a c\u00e9g fizet\u00e9sk\u00e9ptelen volt <strong>egy hack, amely 744.408 BTC -t rabolt ki (akkoriban k\u00f6r\u00fclbel\u00fcl $473 milli\u00f3, ma pedig +$23,8 milli\u00e1rd).<\/strong> Az Mt. Gox febru\u00e1r v\u00e9g\u00e9ig cs\u0151d\u00f6t \u00edrt al\u00e1 Toki\u00f3ban, \u00e9s r\u00f6gt\u00f6n ott kezdte meg r\u00e9gi \u00fcgyfeleinek od\u00fcsszei\u00e1j\u00e1t, hogy visszaszerezze p\u00e9nz\u00e9t (\u00e9s ez megy tov\u00e1bb) <a href=\"https:\/\/www.bloomberg.com\/news\/articles\/2021-03-19\/fortress-said-to-offer-earlier-payout-on-mt-gox-creditor-claims\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">randizni<\/a>).<\/p>\n\n\n\n<p>Az Mt. Gox t\u00e1mad\u00e1s fordul\u00f3pont volt az Bitcoin \u00e9s a <a href=\"https:\/\/alfacash.blog\/2021\/07\/03\/what-happened-june-cryptocurrency-world\/\" target=\"_blank\" rel=\"noreferrer noopener\">kriptovaluta vil\u00e1g<\/a>. Ett\u0151l kezdve a kripto -t\u0151zsd\u00e9k elkezdt\u00e9k jav\u00edtani biztons\u00e1gukat, tartal\u00e9kaikat \u00e9s szab\u00e1lyaikat. Most jobb lehet\u0151s\u00e9geink vannak, \u00e9s a szabads\u00e1gveszt\u00e9s n\u00e9lk\u00fcli cser\u00e9k is.<br><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Szeretne kereskedni Bitcoin-vel \u00e9s m\u00e1s tokenekkel? Meg tudod csin\u00e1lni<\/em>\u00a0<em>biztons\u00e1gosan\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">az Alfacash-n<\/a>! \u00c9s ne felejtsd el, hogy err\u0151l \u00e9s m\u00e9g sok minden m\u00e1sr\u00f3l besz\u00e9l\u00fcnk a k\u00f6z\u00f6ss\u00e9gi m\u00e9di\u00e1ban.<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00e1virat<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.facebook.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/www.instagram.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Instagram<\/a> * <a href=\"https:\/\/www.youtube.com\/channel\/UCOl4fdRHj8AseQ5b6z9udaw\" target=\"_blank\" rel=\"noreferrer noopener\">Youtube<\/a>&nbsp;*&nbsp;<a href=\"https:\/\/vk.com\/alfacashcrypto\" target=\"_blank\" rel=\"noreferrer noopener\">Vkontakte<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Ha nagy mennyis\u00e9g\u0171 titkos\u00edt\u00e1st csak egy c\u00e9g ir\u00e1ny\u00edt, akkor a legnagyobb kriptogr\u00e1fiai hackel\u00e9s megt\u00f6rt\u00e9nhet. Vizsg\u00e1ljuk meg ezeket a hatalmas rabl\u00e1sokat!<\/p>","protected":false},"author":5,"featured_media":7604,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[51],"tags":[61,135,59,186,111,298,18],"class_list":{"0":"post-7598","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-crypto-culture","8":"tag-cryptocurrencies","9":"tag-cybersecurity","10":"tag-exchanges","11":"tag-hack","12":"tag-mt-gox","13":"tag-robbery","14":"tag-top"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/07\/hack-scaled.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/hu\/author\/isabel\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Top 5: Biggest crypto-hacks in history - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"When great amounts of cryptos are controlled by only one company, the biggest crypto-hacks are bound to happen. Let\u2019s check these huge heists!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alfacash.blog\/hu\/2021\/07\/08\/a-top-5-legnagyobb-kripto-hack-tortenelem\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Top 5: Biggest crypto-hacks in history\" \/>\n<meta property=\"og:description\" content=\"When great amounts of cryptos are controlled by only one company, the biggest crypto-hacks are bound to happen. 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