[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.rosaline.cz\/zakladni-pojmy-z-virtualniho-sveta-kryptomen\/#Article","mainEntityOfPage":"https:\/\/www.rosaline.cz\/zakladni-pojmy-z-virtualniho-sveta-kryptomen\/","headline":"Z\u00e1kladn\u00ed pojmy z virtu\u00e1ln\u00edho sv\u011bta kryptom\u011bn","name":"Z\u00e1kladn\u00ed pojmy z virtu\u00e1ln\u00edho sv\u011bta kryptom\u011bn","description":"Zaujmout postoj k n\u011b\u010demu lze teprve tehdy, sezn\u00e1m\u00edme-li se s jeho obsahem. \u0158ada lid\u00ed m\u00e1 toti\u017e o krytom\u011bn\u00e1ch pouze letm\u00e9 povrchn\u00ed pov\u011bdom\u00ed a t\u00edm p\u00e1dem se pochopiteln\u011b nemohou v t\u00e9to problematice orientovat. N\u011bkte\u0159\u00ed nev\u00ed, jak vypad\u00e1 takov\u00fd t\u011b\u017eebn\u00ed stroj, a dokonce si zam\u011b\u0148uj\u00ed pojmy Bitcoin a Blockchain. Transakce Z bankovn\u00ed sf\u00e9ry pom\u011brn\u011b b\u011b\u017en\u00fd term\u00edn, kter\u00fd […]","datePublished":"2018-06-11","dateModified":"2018-06-11","author":{"@type":"Person","@id":"https:\/\/www.rosaline.cz\/author\/#Person","name":"","url":"https:\/\/www.rosaline.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4e6a74466e4227c12d5306875d08720cdfce3572213740db6f4a2e5e46e710ff?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4e6a74466e4227c12d5306875d08720cdfce3572213740db6f4a2e5e46e710ff?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"rosaline.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.rosaline.cz\/wp-content\/uploads\/img_a320082_w2363_t1531249897.jpg","url":"https:\/\/www.rosaline.cz\/wp-content\/uploads\/img_a320082_w2363_t1531249897.jpg","height":0,"width":0},"url":"https:\/\/www.rosaline.cz\/zakladni-pojmy-z-virtualniho-sveta-kryptomen\/","about":["Web"],"wordCount":415,"articleBody":"  Zaujmout postoj k n\u011b\u010demu lze teprve tehdy, sezn\u00e1m\u00edme-li se s jeho obsahem. \u0158ada lid\u00ed m\u00e1 toti\u017e o krytom\u011bn\u00e1ch pouze letm\u00e9 povrchn\u00ed pov\u011bdom\u00ed a t\u00edm p\u00e1dem se pochopiteln\u011b nemohou v t\u00e9to problematice orientovat. N\u011bkte\u0159\u00ed nev\u00ed, jak vypad\u00e1 takov\u00fd t\u011b\u017eebn\u00ed stroj, a dokonce si zam\u011b\u0148uj\u00ed pojmy Bitcoin a Blockchain. Transakce Z bankovn\u00ed sf\u00e9ry pom\u011brn\u011b b\u011b\u017en\u00fd term\u00edn, kter\u00fd zn\u00e1me v\u0161ichni. Ka\u017edou bankovn\u00ed transakci maj\u00ed bankovn\u00ed domy ve sv\u00e9 re\u017eii, ostatn\u011b, to je tak\u00e9 sou\u010d\u00e1st jejich slu\u017eeb. Do jejich centr\u00e1ln\u00ed datab\u00e1ze v\u0161ak klient nem\u00e1 p\u0159\u00edstup a mus\u00ed tedy bance slep\u011b d\u016fv\u011b\u0159ovat. U kryptom\u011bn transakce hl\u00eddaj\u00ed a potvrzuj\u00ed t\u011b\u017ea\u0159i, jde toti\u017e o to, aby lid\u00e9 v t\u00e9to s\u00edti nepodv\u00e1d\u011bli a neobchodovali s virtu\u00e1ln\u00ed m\u011bnou ve v\u011bt\u0161\u00edm objemu, ne\u017e jak\u00fd vlastn\u00ed. Je to tedy m\u011bna decentralizovan\u00e1, v n\u00ed\u017e si v\u0161echny transakce mus\u00ed lid\u00e9 ohl\u00eddat sami sv\u00fdmi prost\u0159edky. Blok To je skupina transakc\u00ed, kterou si p\u0159evezme ur\u010dit\u00fd \u201euzel\u201c v s\u00edti, transakce si se\u0159ad\u00ed a n\u00e1sledn\u011b zpracov\u00e1v\u00e1 (ov\u011b\u0159uje jejich platnost) pomoc\u00ed \u0161ifrov\u00e1n\u00ed. Ka\u017ed\u00fd nov\u00fd blok se zaznamen\u00e1v\u00e1 v tzv. \u00fa\u010detn\u00ed knize kryptom\u011bn \u2013 v Blockchainu. Blockchain Je to tedy seznam, elektronick\u00e1 soupiska, kniha transakc\u00ed, kde se seskupuj\u00ed v\u0161echny bloky se z\u00e1znamy o ve\u0161ker\u00fdch transakc\u00edch, kter\u00e9 kdy v t\u00e9to s\u00edti vznikly. Nap\u0159. u virtu\u00e1ln\u00ed m\u011bny Bitcoinu je to od roku 2009. Blockchain m\u00e1 ka\u017ed\u00fd u\u017eivatel s\u00edt\u011b k dispozici a je tedy prakticky vylou\u010deno, aby se tyto z\u00e1znamy ztratily. Nap\u0159. p\u0159i v\u00fdpadku n\u011bkolika stovek po\u010d\u00edta\u010d\u016f (klient\u016f) se nic nezm\u011bn\u00ed, kniha z\u016fst\u00e1v\u00e1 nad\u00e1le mezi ostatn\u00edmi subjekty a je neust\u00e1le aktu\u00e1ln\u00ed. T\u011b\u017eebn\u00ed stroj V\u011bt\u0161inou se jedn\u00e1 o speci\u00e1ln\u011b sestaven\u00fd po\u010d\u00edta\u010d, nap\u0159. scrypt minerse z\u00e1kladn\u00ed deskou, procesorem, pam\u011b\u0165ov\u00fdmi bloky, zdrojem, SSD diskem s opera\u010dn\u00edm syst\u00e9mem a p\u0159edev\u0161\u00edm s n\u011bkolika v\u00fdkonn\u00fdmi grafick\u00fdmi kartami, nej\u010dast\u011bji v po\u010dtu \u0161esti a\u017e osmi kus\u016f. P\u0159\u00edpadn\u011b se t\u011b\u017e\u00ed na tzv. za\u0159\u00edzen\u00ed Application Specific Integrated Circuit (ASIC) ur\u010den\u00e9m prim\u00e1rn\u011b pro t\u011b\u017ebu. Z\u00e1le\u017e\u00ed v\u017edy na typu kryptom\u011bny, jak\u00fdm strojem ji lze nebo nelze t\u011b\u017eit.                                                                                                                                                                                                                                                                                                                                                                                         5\/5 - (2 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Z\u00e1kladn\u00ed pojmy z virtu\u00e1ln\u00edho sv\u011bta kryptom\u011bn","item":"https:\/\/www.rosaline.cz\/zakladni-pojmy-z-virtualniho-sveta-kryptomen\/#breadcrumbitem"}]}]