[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.kiddo.sk\/novy-protokol-na-ochranu-online-penaznych-transferov\/#Article","mainEntityOfPage":"https:\/\/www.kiddo.sk\/novy-protokol-na-ochranu-online-penaznych-transferov\/","headline":"Nov\u00fd protokol na ochranu online pe\u0148a\u017en\u00fdch transf\u00e9rov","name":"Nov\u00fd protokol na ochranu online pe\u0148a\u017en\u00fdch transf\u00e9rov","description":"Sk\u00f4r ne\u017e produkova\u0165 re\u0165azec, Casanova vyr\u00e1ba bloky v riadenom acyklickom grafe (DAG), \u010do je v podstate riaden\u00fd graf bez cyklov. […]","datePublished":"2019-05-25","dateModified":"2019-05-25","author":{"@type":"Person","@id":"https:\/\/www.kiddo.sk\/author\/#Person","name":"","url":"https:\/\/www.kiddo.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/44215cbfc388d6c267f7eccf0a5fae95a459f733d44435ee1a21bfc9d2aea339?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/44215cbfc388d6c267f7eccf0a5fae95a459f733d44435ee1a21bfc9d2aea339?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"kiddo.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.kiddo.sk\/wp-content\/uploads\/img_a301876_w16563_t1559232452.jpg","url":"https:\/\/www.kiddo.sk\/wp-content\/uploads\/img_a301876_w16563_t1559232452.jpg","height":0,"width":0},"url":"https:\/\/www.kiddo.sk\/novy-protokol-na-ochranu-online-penaznych-transferov\/","about":["Www"],"wordCount":396,"articleBody":"Sk\u00f4r ne\u017e produkova\u0165 re\u0165azec, Casanova vyr\u00e1ba bloky v riadenom acyklickom grafe (DAG), \u010do je v podstate riaden\u00fd graf bez cyklov. Casanova potrubia hlasovania a blokovanie v\u00fdroby s cie\u013eom zlep\u0161i\u0165 \u0161k\u00e1lovate\u013enos\u0165 a m\u00e1 unik\u00e1tny „riadok polo\u017eky veto“ pre konfliktn\u00e9 transakcie, ako s\u00fa dvojit\u00e9 v\u00fddavky.\u00a0„H\u013eadali sme \u0161k\u00e1lovate\u013en\u00fd konsenzus algoritmus, ktor\u00fd by sme mohli pou\u017ei\u0165 na implement\u00e1ciu nieko\u013ek\u00fdch r\u00f4znych blokov\u00fdch projektov, ktor\u00e9 m\u00e1me,“ povedal v\u00fdskumn\u00fd t\u00edm Pyrofex spolo\u010dnosti TechXplore prostredn\u00edctvom e-mailu. „P\u00f4vodne sme si mysleli, \u017ee Casper by mohol ma\u0165 pravdu a sna\u017eil sa dok\u00e1za\u0165, \u017ee je v bezpe\u010d\u00ed a \u017eije v ide\u00e1lnych podmienkach siete . Netrvalo dlho, k\u00fdm sa uk\u00e1zalo, \u017ee to tak nie je a \u017ee by sme museli urobi\u0165 nejak\u00e9 v\u00fdznamn\u00e9 zmeny. N\u00e1\u0161 nov\u00fd algoritmus rie\u0161i v\u0161etky probl\u00e9my, ktor\u00fdm sme \u010delili, ale vy\u017eadoval si ve\u013ea odch\u00fdlok od predch\u00e1dzaj\u00facich pr\u00edstupov.\u00a0V\u00e4\u010d\u0161ina existuj\u00facich technol\u00f3gi\u00ed blockchain str\u00e1ca zna\u010dn\u00fd \u010das a zdroje na to, aby sa cel\u00e1 sie\u0165 dohodla na glob\u00e1lnom objednan\u00ed ka\u017edej jednotlivej transakcie. Hoci sa to m\u00f4\u017ee zda\u0165 rozumn\u00e9, v\u00fdskumn\u00edci sa domnievaj\u00fa, \u017ee dobr\u00fd pr\u00edstup zalo\u017een\u00fd na blokoch by mal by\u0165 schopn\u00fd spracova\u0165 transakcie v \u013eubovo\u013enom porad\u00ed.\u00a0„Mali by sme vyu\u017e\u00edva\u0165 energiu a zdroje len na to, aby sme dospeli ku konsenzu, ke\u010f je to potrebn\u00e9 – tj ke\u010f s\u00fa dve protichodn\u00e9 transakcie a sie\u0165 si mus\u00ed vybra\u0165 presne jednu,“ uviedli vedci. „In\u00e9 blockchainy sk\u00fa\u0161ali nie\u010do podobn\u00e9, ale s Casanovou sme boli schopn\u00ed presne ur\u010di\u0165, ako to dosiahnu\u0165.“\u00a0Pozoruhodnou vlastnos\u0165ou Casanova je, \u017ee nevytv\u00e1ra blok\u00e1du per se, ale sk\u00f4r stavia DAG. V\u00fdskumn\u00edci hovoria o \u0161trukt\u00fare Casanova ako o \u201eblockdagu\u201c. Ak je mo\u017en\u00e9 porovna\u0165 \u0161trukt\u00faru bloku s re\u0165azcom, blok\u00e1da sa podob\u00e1 kusu tkaniny s nieko\u013ek\u00fdmi strunami, ktor\u00e9 s\u00fa tkan\u00e9 dohromady.\u00a0„Namiesto toho, aby potvrdil jeden blok naraz, Casanova potvrdzuje jeden blok naraz na jedn\u00e9ho \u010dlena siete,“ uviedli vedci. „Tak\u017ee ak m\u00e1 sie\u0165 1 000 \u010dlenov, m\u00f4\u017eeme potvrdi\u0165 1 000 blokov naraz namiesto toho, aby sme ich spravili 1. Rob\u00edme v\u0161etku t\u00fato pr\u00e1cu v rovnakom \u010dase, kedy by pravideln\u00fd blok str\u00e1vil na jednom bloku.“                                                                                                                                                                                                                                                                                                                                                                                        4.9\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nov\u00fd protokol na ochranu online pe\u0148a\u017en\u00fdch transf\u00e9rov","item":"https:\/\/www.kiddo.sk\/novy-protokol-na-ochranu-online-penaznych-transferov\/#breadcrumbitem"}]}]