{"id":6838,"date":"2023-12-15T16:28:08","date_gmt":"2023-12-15T15:28:08","guid":{"rendered":"https:\/\/kanga.exchange\/university\/?post_type=slownik&#038;p=6838"},"modified":"2024-05-06T17:37:31","modified_gmt":"2024-05-06T15:37:31","slug":"zero-knowledge-proof","status":"publish","type":"slownik","link":"https:\/\/kanga.exchange\/university\/slownik\/zero-knowledge-proof\/","title":{"rendered":"Zero-knowledge proof"},"content":{"rendered":"\r\n<h3><span style=\"font-weight: 400;\">Zero-Knowledge Proof (ZKP) to technika kryptograficzna, kt\u00f3ra pozwala jednej stronie (dowodz\u0105cej) udowodni\u0107 drugiej stronie (weryfikuj\u0105cej) prawdziwo\u015b\u0107 pewnego stwierdzenia, nie ujawniaj\u0105c przy tym \u017cadnych dodatkowych informacji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">ZKP zosta\u0142 wprowadzony w celu zabezpieczenia prywatno\u015bci uczestnik\u00f3w w procesie dowodzenia. W tradycyjnych protoko\u0142ach dowodzenia, nawet je\u015bli dow\u00f3d jest prawdziwy, mo\u017ce ujawni\u0107 zbyt wiele informacji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Prostota bez ujawniania danych:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">W przypadku ZKP, jedna strona (dowodz\u0105ca) mo\u017ce przekona\u0107 drug\u0105 stron\u0119 (weryfikuj\u0105c\u0105), \u017ce pewne stwierdzenie jest prawdziwe, ale nie musi ujawnia\u0107 \u017cadnych szczeg\u00f3\u0142\u00f3w czy informacji, kt\u00f3re nie s\u0105 bezpo\u015brednio zwi\u0105zane z dowodem.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Przyk\u0142ad zastosowania:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Jednym z konkretnych zastosowa\u0144 ZKP jest w dziedzinie blockchain\u00f3w i kryptowalut. Mo\u017ce by\u0107 u\u017cywany do potwierdzania posiadania pewnej ilo\u015bci kryptowalut bez ujawniania dok\u0142adnej ilo\u015bci czy szczeg\u00f3\u0142\u00f3w dotycz\u0105cych transakcji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Protok\u00f3\u0142 zk-SNARKs:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Jednym z popularnych rodzaj\u00f3w ZKP jest protok\u00f3\u0142 zk-SNARKs (Zero-Knowledge Succinct Non-Interactive Argument of Knowledge), kt\u00f3ry sta\u0142 si\u0119 powszechnie u\u017cywany w blockchainach, takich jak Zcash.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Dowody bez interakcji:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">ZKP umo\u017cliwia dostarczanie dowod\u00f3w bez konieczno\u015bci interakcji pomi\u0119dzy dowodz\u0105c\u0105 a weryfikuj\u0105c\u0105 stron\u0105. To oznacza, \u017ce dow\u00f3d mo\u017ce by\u0107 dostarczony raz, a nast\u0119pnie wielokrotnie weryfikowany bez konieczno\u015bci ponownego interakcji.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Ochrona prywatno\u015bci w blockchainach:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">W blockchainach, ZKP jest u\u017cywany do zabezpieczania prywatno\u015bci transakcji. Uczestnicy mog\u0105 dowodzi\u0107, \u017ce dokonali pewnej transakcji bez ujawniania szczeg\u00f3\u0142\u00f3w, takich jak kwota czy adres.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">R\u00f3\u017cne implementacje:<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Istnieje wiele r\u00f3\u017cnych protoko\u0142\u00f3w ZKP, a ich zastosowania obejmuj\u0105 nie tylko kryptowaluty, ale tak\u017ce dziedziny takie jak cyberbezpiecze\u0144stwo czy bezpiecze\u0144stwo danych.<\/span><\/h3>\r\n<h3><span style=\"font-weight: 400;\">Wprowadzenie technologii Zero-Knowledge Proof by\u0142o krokiem naprz\u00f3d w dziedzinie ochrony prywatno\u015bci, zw\u0142aszcza w kontek\u015bcie cyfrowych interakcji, gdzie istnieje potrzeba dostarczania pewnych dowod\u00f3w bez ujawniania pe\u0142nych szczeg\u00f3\u0142\u00f3w.<\/span><\/h3>\r\n<button class=\"simplefavorite-button loading preset\" data-postid=\"6838\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"1\" 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>Zero-Knowledge Proof (ZKP) to technika kryptograficzna, kt\u00f3ra pozwala jednej stronie (dowodz\u0105cej) udowodni\u0107 drugiej stronie (weryfikuj\u0105cej) prawdziwo\u015b\u0107 pewnego stwierdzenia, nie ujawniaj\u0105c przy tym \u017cadnych dodatkowych informacji.&hellip;<\/p>\n","protected":false},"template":"","litera-slownika":[630],"class_list":["post-6838","slownik","type-slownik","status-publish","hentry","litera-slownika-z"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - 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