{"id":10052,"date":"2022-07-24T13:16:54","date_gmt":"2022-07-24T11:16:54","guid":{"rendered":"http:\/\/crypto50x.com\/qosor-dwar-51-attakk-fil-munita-kripto\/"},"modified":"2022-07-24T13:16:54","modified_gmt":"2022-07-24T11:16:54","slug":"qosor-dwar-51-attakk-fil-munita-kripto","status":"publish","type":"post","link":"https:\/\/crypto50x.com\/mt\/qosor-dwar-51-attakk-fil-munita-kripto\/","title":{"rendered":"Qosor dwar 51% Attakk fil-munita kripto"},"content":{"rendered":"<p>Attakk ta &#8216;51% jirreferi g\u0127al attakk fil-blockchain ta&#8217; <a href=\"https:\/\/crypto50x.com\/mt\/kriptomunita-demitifikata\/\">munita kripto<\/a> mill-minaturi li jikkontrollaw aktar minn 50% tan-netwerk tar-rata tal-hash tal-minjieri. B\u0127ala negozjant li jippossjedi aktar minn 50% tan-nodi tan-netwerk, g\u0127andek is-setg\u0127a li tikkontrolla l-blockchain. L-attakki jse\u0127\u0127u b&#8217;modi differenti u wie\u0127ed minnhom huwa sid li jipprevjeni transazzjonijiet \u0121odda milli jiksbu konfermi. Dan il-pro\u010bess jag\u0127ti lin-nies i\u010b-\u010bans li jwaqqfu l-\u0127lasijiet fost l-utenti.<\/p>\n<h2>Il-Mixja li Jse\u0127\u0127 l-Attakk ta&#8217; 51%.<\/h2>\n<p>Kull darba li tran\u017cazzjoni sse\u0127\u0127 fi blockchain, din titqieg\u0127ed <a href=\"https:\/\/www.fxempire.com\/education\/article\/51-attack-explained-the-attack-on-a-blockchain-513887\">f&#8217;\u0121abra ta &#8216;tran\u017cazzjonijiet mhux ikkonfermati<\/a> . Bi tpattija, il-minaturi jing\u0127ataw i\u010b-\u010bans li jag\u0127\u017clu tran\u017cazzjonijiet mill-pool biex jiffurmaw blokk ta &#8216;tran\u017cazzjonijiet. Ftakar, biex kwalunkwe tran\u017cazzjoni ti\u017cdied ma &#8216;blockchain, huwa importanti li tikseb it-twe\u0121iba t-tajba g\u0127al puzzle. Huma ju\u017caw il-qawwa komputazzjonali biex jiksbu t-twe\u0121iba t-tajba. G\u0127alhekk, jekk minatur ikollu qawwa komputazzjonali g\u0127olja, allura hemm \u010bansijiet kbar li l-minatur jikseb it-twe\u0121iba t-tajba. Wara dan, il-minatur jit\u0127alla j\u017cid blokka mal-blockchain.<\/p>\n<p>Meta negozjant jikseb twe\u0121iba korretta, din ti\u0121i mxandra lill-minaturi l-o\u0127ra. Barra minn hekk, l-informazzjoni ti\u0121i a\u010b\u010bettata biss f&#8217;ka\u017c li t-tran\u017cazzjonijiet kollha mwettqa jkunu validi. Il-validit\u00e0 tag\u0127hom hija bba\u017cata fuq ir-rekord e\u017cistenti fuq il-blockchain. Sfortunatament, minaturi korrotti mhux se jxandru s-soluzzjonijiet tag\u0127hom lill-minaturi l-o\u0127ra fin-netwerk.<\/p>\n<p>Min\u0127abba l-kwistjoni ta &#8216;hawn fuq, se ji\u0121u ffurmati \u017cew\u0121 ver\u017cjonijiet ta&#8217; <a href=\"https:\/\/crypto50x.com\/mt\/dak-li-ghandek-bzonn-tkun-taf-dwar-blockchain-technology\/\">blockchain<\/a> . Wa\u0127da minnhom se tkun il-blockchain ori\u0121inali li jsegwu minaturi le\u0121ittimi. Madankollu, it-tieni wa\u0127da se tintu\u017ca minn minatur korrott li ma jxandarx ir-ri\u017cultati tal-puzzles fin-netwerk ori\u0121inali. Dan il-minatur huwa dak li se jkun jista &#8216;jara l-informazzjoni.<\/p>\n<p>Il-minatur korrott se jkompli jqatta &#8216;\u0127in u jkompli bil-ver\u017cjoni blockchain tieg\u0127u stess. Trid tiftakar li din il-ver\u017cjoni mhix imxandra lill-bqija tan-netwerk. Dan ifisser li t-tieni blockchain se tkun i\u017colata min-netwerk. G\u0127alhekk, il-minatur korrott jista &#8216;jonfoq il-bitcoins tieg\u0127u jew tag\u0127ha fuq il-ver\u017cjoni le\u0121ittima ta&#8217; blockchain li minaturi o\u0127ra jsegwu.<\/p>\n<h2>Nifhmu l-51% Attakk<\/h2>\n<p>Blockchain tirreferi g\u0127al re\u0121istru distribwit li jirre\u0121istra informazzjoni u tran\u017cazzjonijiet dwarhom u mbag\u0127ad jikkripta d-data. In-netwerk tal-blockchain jil\u0127aq kunsens tal-ma\u0121\u0121oranza fir-rigward tat-tran\u017cazzjonijiet fi pro\u010bess ta &#8216;validazzjoni u l-blokki li fihom l-informazzjoni ma\u0127\u017cuna hija ssi\u0121illata. Il-blokki huma konnessi permezz ta &#8216;tekniki kriptografi\u010bi. Il-kwistjoni tag\u0127milha kwa\u017ci impossibbli li tbiddel blokk wara l-konferma.<\/p>\n<p>L-attakk ta &#8216;51% fuq il-blockchain ise\u0127\u0127 meta grupp jikkontrolla aktar minn 50% tal-qawwa tal-hashing. Il-grupp imbag\u0127ad jintrodu\u010bi blockchain mibdula fin-netwerk f&#8217;xi punti. Dan isir f&#8217;punt, li huwa a\u010b\u010bettat min-netwerk peress li hemm \u010bansijiet kbar li l-attakkanti jirb\u0127u \u0127afna minnhom.<\/p>\n<p>In-nies responsabbli g\u0127al attakk ta &#8216;51% jistg\u0127u jag\u0127mlu dan li \u0121ej:<\/p>\n<ul>\n<li>It-tran\u017cazzjonijiet lura sabiex ikunu jistg\u0127u jirdoppjaw jonfqu l-muniti<\/li>\n<li>Esklu\u017ci t-tran\u017cazzjonijiet il-\u0121odda milli ji\u0121u rre\u0121istrati<\/li>\n<li>Il-prevenzjoni tal-minaturi l-o\u0127ra li huma fl-istess netwerk milli j\u0127ajru tokens jew muniti fin-netwerk<\/li>\n<li>Prevenzjoni tal-konferma jew validazzjoni tat-tran\u017cazzjonijiet<\/li>\n<li>Li timmodifika l-ordni tat-tran\u017cazzjonijiet<\/li>\n<\/ul>\n<h2>Difetti fil-Mudell ta&#8217; Governanza Demokratika ta&#8217; Nakamoto<\/h2>\n<p>L-ewwel blockchain li tu\u017ca s-sistema ta &#8216;kunsens Proof of Work (PoW) hija Bitcoin. Jintu\u017ca fil-validazzjoni tat-tran\u017cazzjonijiet. Fil-whitepaper ta &#8216;Satoshi Nakamoto, huwa ddeskriva li fi\u017c-\u017camma tal-integrit\u00e0 u s-sigurt\u00e0 fi blockchain allura minaturi jew nodi onesti g\u0127andhom kollettivament jikkontrollaw aktar qawwa tal-Unit\u00e0 \u010aentrali tal-Ippro\u010bessar (CPU) meta mqabbla ma&#8217; grupp ie\u0127or ta &#8216;nodi attakkanti li jikkoperaw.<\/p>\n<p>Ir-ra\u0121uni ewlenija g\u0127aliex <a href=\"https:\/\/www.jumpstartmag.com\/51-attacks-on-blockchains\/\">Nakamoto \u017cviluppa Bitcoin kienet dovuta g\u0127all-istmerrija u l-frustrazzjoni tal-istituzzjonijiet finanzjarji<\/a> wara l-Kri\u017ci Finanzjarja l-Kbira. B\u0127alissa, Bitcoin hija l-aktar kripto popolari. G\u0127andha limitu tas-suq ta&#8217; madwar $190 biljun. Ta wkoll il-parir biex issolvi l-infiq doppju. Huwa jemmen li hija problema inerenti fis-sistema tal-munita di\u0121itali peer-to-peer. G\u0127alhekk, huwa fassal il-mekkani\u017cmu blockchain u sa\u0127ansitra utilizza PoW b\u0127ala sistema ta &#8216;kunsens.<\/p>\n<p>Il-motiv ta &#8216;Nakamoto kien li ti\u017cviluppa munita di\u0121itali li mhix ikkontrollata minn istituzzjonijiet finanzjarji. B\u0127alissa, dawn l-istituzzjonijiet ja\u0121ixxu b\u0127ala awdituri u gwardjani tal-muniti fiat. G\u0127alhekk, fil-prevenzjoni ta &#8216;ftit individwi milli jikkontrollaw il-munita u jassumu l-poter, introdu\u010ba t-teknolo\u0121ija blockchain. Dan kien l-uniku mod demokratiku biex jin\u017cammu r-rekords tat-tran\u017cazzjonijiet.<\/p>\n<p>Mill-idea tieg\u0127u, huwa assuma li l-utenti malizzju\u017ci mhux se jiksbu kontroll tal-ma\u0121\u0121oranza fuq ir-rata tal-hash. Namakoto jemmen ukoll li \u0127afna mill-minaturi se jkunu onesti. Permezz ta &#8216;dan, il-blockchain u l-munita jissaportu immuni g\u0127all-attakki. Sfortunatament, wara kollox kien \u017cbaljat. L-attakki ta &#8216;51% qed jolqtu l-blockchains \u017cg\u0127ar u anke jheddu s-sopravivenza tag\u0127hom.<\/p>\n<h2>Kif tipprevjeni l-attakk ta &#8216;51%.<\/h2>\n<p>Organizzazzjoni jew in-nies li g\u0127andhom madwar 51% tal-qawwa tal-hashing huma dawk li jistg\u0127u jmexxu dan l-attakk. L-a\u0127jar mod kif ji\u0121i evitat li sse\u0127\u0127 huwa li ma t\u0127allix entit\u00e0 wa\u0127da tkun aktar b&#8217;sa\u0127\u0127itha. G\u0127alhekk, huwa importanti li tittejjeb id-de\u010bentralizzazzjoni tal-minaturi kif ukoll blockchain robusta.<\/p>\n<p>Il-blockchain ta &#8216; <a href=\"https:\/\/crypto50x.com\/mt\/bitcoin-huwa-investiment-tajjeb-tal-kriptomunita\/\">Bitcoin<\/a> hija soda \u0127afna. Dan ifisser li je\u0127tie\u0121 diversi flus kontanti g\u0127al individwu jew organizzazzjoni biex taqbe\u017c 51% tal-qawwa tal-minjieri Bitcoin. Isir aktar sens fl-u\u017cu finanzjarju ta &#8216;din is-setg\u0127a u anke l-minjieri ta&#8217; Bitcoin b&#8217;mod le\u0121ittimu. Min\u0127abba dan, hemm \u010bansijiet baxxi li jesperjenzaw attakk ta &#8216;infiq doppju BTC.<\/p>\n<h2>Il-Lista ta&#8217; 51% Attakki li se\u0127\u0127ew fil-passat<\/h2>\n<ul>\n<li>Vertcoin irre\u0121istra madwar 4 attakki fuq in-netwerk tieg\u0127u fl-2018. Madankollu, il-motiv mhuwiex \u010bar.<\/li>\n<li>Fl-2018, Bitcoin Gold sofra telf ta &#8216;aktar minn $18-il miljun min\u0127abba attakk ta&#8217; 51%.<\/li>\n<li>A Verge 51% f&#8217;April 2018 wassal g\u0127at-telf ta &#8217;20 miljun munita<\/li>\n<li>F&#8217;Mejju 2018, kien hemm attakk fuq Bitcoin Cash. Fortunatament, ma kien hemm l-ebda telf.<\/li>\n<li>L-attakkanti nefqu darbtejn madwar <a href=\"https:\/\/balancingeverything.com\/51-attack-faqs\/\">$ 1.1 miljun ta &#8216;Ethereum Classic f&#8217;attakk wie\u0127ed ETC 51%<\/a> f&#8217;Jannar 2019. G\u0127alkemm il-kripto tilfet il-kredibilit\u00e0 tag\u0127ha matul dak i\u017c-\u017cmien, irnexxielha tirkupra.<\/li>\n<li>Infieq doppju ta &#8216;aktar minn $ 70, 000 fuq Bitcoin Gold fl-2020<\/li>\n<\/ul>\n<h2>Salvagwardja Kontra Prova tax-Xog\u0127ol<\/h2>\n<p>Anki jekk it-tekniki mhumiex ippruvati bis-s\u0127i\u0127, it-tekniki li \u0121ejjin jistg\u0127u jintu\u017caw biex jag\u0127mlu l-attakki diffi\u010bli. L-ewwel teknika hija l-migrazzjoni g\u0127al Prova ta&#8217; Stake Delegata (DPoS). Ir-ra\u0121uni hija li DPoS ju\u017ca delegati differenti li jinbidlu ma\u017c-\u017cmien fil-validazzjoni ta &#8216;kull blokk \u0121did. Fil-blockchain DPoS, 51% tal-attakkanti jridu jikkontrollaw id-delegati u r-rata tal-hash. Dan jag\u0127milha aktar diffi\u010bli li tesperjenza attakk ta &#8216;kwalunkwe forma. G\u0127alhekk, biex jimminimizzaw ir-riskju, in-nies jistg\u0127u jemigraw minn <a href=\"http:\/\/crypto50x.com\/know-what-proof-of-work-means-in-cryptocurrency\/\">PoW<\/a> g\u0127al DPoS biex jimminimizzaw ir-riskju.<\/p>\n<p>Mod ie\u0127or huwa billi tu\u017ca Scoring Su\u0121\u0121ettiv Esponenzjali Modifikat (MESS) g\u0127al kull katina reorg parallela li tid\u0127ol fin-netwerk. Dan ifisser li g\u0127an-nodi kollha fin-netwerk meta jaraw reorg potenzjali de\u0127lin, se jqabbluha mal-katina attwali minn punt maqsum. Barra minn hekk, jitlob b&#8217;mod arbitrarju aktar kwantit\u00e0 ta &#8216;xog\u0127ol g\u0127all-katina ta&#8217; reorg futura.<\/p>\n<p>Il-kwantit\u00e0 tal-gravit\u00e0 hija negli\u0121ibbli fl-ewwel ftit reorgs&#8217; blocks. Madankollu, ti\u017cdied meta jkun hemm riorganizzazzjoni ta &#8216;aktar blokki. Min\u0127abba dan, jista &#8216;jkun g\u0127ali g\u0127all-attakkanti li jorganizzaw mill-\u0121did \u0127afna blokki g\u0127all-kuntrarju ir\u0127as ming\u0127ajr MESS. G\u0127alhekk, MESS jista &#8216;ji\u0121i utilizzat fl-anali\u017ci tar-riorganizzazzjonijiet tal-blokki fl-assenjazzjoni ta&#8217; punte\u0121\u0121. Dan biex juri l-affidabbilt\u00e0 tar-riorganizzazzjoni.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Attakk ta &#8216;51% jirreferi g\u0127al attakk fil-blockchain ta&#8217; munita kripto mill-minaturi li jikkontrollaw aktar minn 50% tan-netwerk tar-rata tal-hash tal-minjieri. B\u0127ala negozjant li jippossjedi aktar minn 50% tan-nodi tan-netwerk, g\u0127andek is-setg\u0127a li tikkontrolla l-blockchain. L-attakki jse\u0127\u0127u b&#8217;modi differenti u wie\u0127ed minnhom huwa sid li jipprevjeni transazzjonijiet \u0121odda milli jiksbu konfermi. Dan il-pro\u010bess jag\u0127ti lin-nies i\u010b-\u010bans &#8230; <a title=\"Qosor dwar 51% Attakk fil-munita kripto\" class=\"read-more\" href=\"https:\/\/crypto50x.com\/mt\/qosor-dwar-51-attakk-fil-munita-kripto\/\" aria-label=\"Read more about Qosor dwar 51% Attakk fil-munita kripto\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":9866,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[877],"tags":[5233,4375,236,5235,2162],"class_list":["post-10052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknologija-blockchain","tag-51-jattakkaw","tag-blockchain-mt","tag-kripto-munita","tag-minjieri","tag-prova-tax-xoghol"],"_links":{"self":[{"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/posts\/10052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/comments?post=10052"}],"version-history":[{"count":0,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/posts\/10052\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/media\/9866"}],"wp:attachment":[{"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/media?parent=10052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/categories?post=10052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crypto50x.com\/mt\/wp-json\/wp\/v2\/tags?post=10052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}