{"id":6752,"date":"2023-12-15T16:05:12","date_gmt":"2023-12-15T15:05:12","guid":{"rendered":"https:\/\/kanga.exchange\/university\/?post_type=slownik&#038;p=6752"},"modified":"2024-05-06T16:52:01","modified_gmt":"2024-05-06T14:52:01","slug":"oracle","status":"publish","type":"slownik","link":"https:\/\/kanga.exchange\/university\/slownik\/oracle\/","title":{"rendered":"Oracle"},"content":{"rendered":"\r\n<h3><span style=\"font-weight: 400;\">Oracle w kontek\u015bcie technologii blockchain i smart contract\u00f3w odnosi si\u0119 do us\u0142ugi lub podmiotu, kt\u00f3ry dostarcza zewn\u0119trzne dane do smart contract\u00f3w na blockchainie. Smart contracty s\u0105 programami komputerowymi dzia\u0142aj\u0105cymi na blockchainie, a oraculum pe\u0142ni rol\u0119 dostarczyciela informacji z rzeczywistego \u015bwiata do tych kontrakt\u00f3w. Oracle dostarcza smart contractom informacje, kt\u00f3re nie s\u0105 dost\u0119pne na blockchainie, takie jak ceny aktyw\u00f3w, wyniki wybor\u00f3w, wyniki mecz\u00f3w sportowych czy dane pogodowe.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Pomost mi\u0119dzy blockchainem a rzeczywistym \u015bwiatem:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Oracle pe\u0142ni rol\u0119 pomostu mi\u0119dzy zdecentralizowanym \u015bwiatem blockchaina a centralizowanymi \u017ar\u00f3d\u0142ami danych spoza niego. Dzi\u0119ki temu, smart contracty mog\u0105 reagowa\u0107 na zmiany w \u015bwiecie rzeczywistym.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Zabezpieczenia przed manipulacj\u0105:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">W celu zabezpieczenia przed potencjalnymi manipulacjami, niekt\u00f3re oracle wykorzystuj\u0105 mechanizmy consensusu i multipleksacji, aby potwierdzi\u0107 poprawno\u015b\u0107 dostarczanych danych.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Zastosowania:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Oracle znajduj\u0105 zastosowanie w r\u00f3\u017cnych obszarach, takich jak finanse, ubezpieczenia, gry zdecentralizowane, prognozowanie rynku, zarz\u0105dzanie dostawami itp. Na przyk\u0142ad, w DeFi (finanse zdecentralizowane), oracle mo\u017ce dostarcza\u0107 aktualne ceny aktyw\u00f3w.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Decentralizowane Oracle:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Aby zachowa\u0107 zasady decentralizacji, niekt\u00f3re projekty pracuj\u0105 nad rozwojem decentralizowanych oracle. Wykorzystuj\u0105 one multipleksacj\u0119, aby zebra\u0107 dane od wielu \u017ar\u00f3de\u0142, minimalizuj\u0105c jednocze\u015bnie ryzyko b\u0142\u0119dnych informacji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Przyk\u0142ad u\u017cycia:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Za\u0142\u00f3\u017cmy, \u017ce smart contract na blockchainie ma za zadanie automatycznie uruchamia\u0107 ubezpieczenie lotnicze w przypadku op\u00f3\u017anienia lotu. Oracle dostarcza smart contractowi informacje o op\u00f3\u017anieniu, a smart contract podejmuje decyzj\u0119 o uruchomieniu ubezpieczenia.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Zabezpieczenia przeciwko manipulacji cena:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">W kontek\u015bcie finans\u00f3w zdecentralizowanych (DeFi), oracle dostarczaj\u0105ce cen aktyw\u00f3w mo\u017ce stosowa\u0107 r\u00f3\u017cne metody, takie jak multipleksacja, aby zabezpieczy\u0107 si\u0119 przed manipulacj\u0105 cenow\u0105.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Wyzwania i ryzyka:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Istniej\u0105 wyzwania zwi\u0105zane z bezpiecze\u0144stwem i odpowiedzialno\u015bci\u0105 oracle, poniewa\u017c b\u0142\u0119dne dostarczenie informacji mo\u017ce wp\u0142yn\u0105\u0107 na funkcjonowanie smart contract\u00f3w.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Przegl\u0105dy spo\u0142eczno\u015bci:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Decentralizowane projekty cz\u0119sto opieraj\u0105 si\u0119 na przegl\u0105dach spo\u0142eczno\u015bci w celu potwierdzenia rzetelno\u015bci dzia\u0142ania oracle, a tak\u017ce do oceny bezpiecze\u0144stwa dostarczanych informacji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">W skr\u00f3cie, Oracle odgrywaj\u0105 kluczow\u0105 rol\u0119 w ekosystemie blockchain, umo\u017cliwiaj\u0105c smart contractom reagowanie na zmiany w \u015bwiecie zewn\u0119trznym. Jednak\u017ce, wymaga to odpowiednich zabezpiecze\u0144 i mechanizm\u00f3w, aby zapewni\u0107 poprawno\u015b\u0107 i bezpiecze\u0144stwo dostarczanych danych.<\/span><\/h3>\r\n<h3>\u00a0<\/h3>\r\n<h3>\u00a0<\/h3>\r\n<button class=\"simplefavorite-button loading preset\" data-postid=\"6752\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"box-shadow:none;-webkit-box-shadow:none;-moz-box-shadow:none;background-color:#e75321;border-color:#e75321;color:#ffffff;\"><span class=\"sf-icon-spinner-wrapper\"><i class=\"sf-icon-spinner\"><\/i><\/span><\/button>","protected":false},"excerpt":{"rendered":"<p>Oracle w kontek\u015bcie technologii blockchain i smart contract\u00f3w odnosi si\u0119 do us\u0142ugi lub podmiotu, kt\u00f3ry dostarcza zewn\u0119trzne dane do smart contract\u00f3w na blockchainie. Smart contracty&hellip;<\/p>\n","protected":false},"template":"","litera-slownika":[621],"class_list":["post-6752","slownik","type-slownik","status-publish","hentry","litera-slownika-o"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Oracle - Kanga University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kanga.exchange\/university\/slownik\/oracle\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle - Kanga University\" \/>\n<meta property=\"og:description\" content=\"Oracle w kontek\u015bcie technologii blockchain i smart contract\u00f3w odnosi si\u0119 do us\u0142ugi lub podmiotu, kt\u00f3ry dostarcza zewn\u0119trzne dane do smart contract\u00f3w na blockchainie. 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