[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.zambra.cz\/tezeni-bitcoinu-neboli-fenomen-moderni-doby\/#Article","mainEntityOfPage":"https:\/\/www.zambra.cz\/tezeni-bitcoinu-neboli-fenomen-moderni-doby\/","headline":"T\u011b\u017een\u00ed bitcoin\u016f neboli fenom\u00e9n modern\u00ed doby","name":"T\u011b\u017een\u00ed bitcoin\u016f neboli fenom\u00e9n modern\u00ed doby","description":"&#13; Jestli\u017ee hodl\u00e1te a chcete zkusit t\u011b\u017een\u00ed bitcoin\u016f, je zapot\u0159eb\u00ed<span class=\"more-button\"><a href=\"https:\/\/www.zambra.cz\/tezeni-bitcoinu-neboli-fenomen-moderni-doby\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\">T\u011b\u017een\u00ed bitcoin\u016f neboli fenom\u00e9n modern\u00ed doby<\/span><\/a><\/span>","datePublished":"2018-03-07","dateModified":"2023-06-08","author":{"@type":"Person","@id":"https:\/\/www.zambra.cz\/author\/#Person","name":"","url":"https:\/\/www.zambra.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d2f205e1507a0401c7d467d32c87ccece0f63a45b81075bb691dbe8d4c823787?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d2f205e1507a0401c7d467d32c87ccece0f63a45b81075bb691dbe8d4c823787?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"zambra.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.zambra.cz\/wp-content\/uploads\/img_a316135_w2252_t1527075620.jpg","url":"https:\/\/www.zambra.cz\/wp-content\/uploads\/img_a316135_w2252_t1527075620.jpg","height":0,"width":0},"url":"https:\/\/www.zambra.cz\/tezeni-bitcoinu-neboli-fenomen-moderni-doby\/","about":["Ekonomika"],"wordCount":417,"articleBody":"&#13; Jestli\u017ee hodl\u00e1te a chcete zkusit t\u011b\u017een\u00ed bitcoin\u016f, je zapot\u0159eb\u00ed rozum\u011bt z\u00e1kladn\u00edm pojm\u016fm. Osoba, kter\u00e1 provozuje po\u010d\u00edta\u010d, jen\u017e je spojen prost\u0159ednictv\u00edm internetu s ostatn\u00edmi po\u010d\u00edta\u010di, se naz\u00fdv\u00e1 t\u011b\u017ea\u0159 neboli t\u00e9\u017e miner. Lze se setkat i s term\u00ednem t\u011b\u017eebn\u00ed stroj, kter\u00fd je permanentn\u011b v provozu. Tento t\u011b\u017eebn\u00ed stroj nen\u00ed jen oby\u010dejn\u00fdm po\u010d\u00edta\u010dem.&#13; &#13; Je d\u016fle\u017eit\u00e9 m\u00edt pot\u0159ebn\u00fd hardware, kdy tak t\u011b\u017een\u00ed bitcoin\u016f m\u016f\u017ee b\u00fdt efektivn\u00ed a prosp\u011b\u0161nou z\u00e1le\u017eitost\u00ed.&#13; Jak to v\u0161e prob\u00edh\u00e1 v praxi?&#13; &#13; Jedn\u00e1 se o proces, kdy speci\u00e1ln\u00ed t\u011b\u017eebn\u00ed software hled\u00e1 \u0159e\u0161en\u00ed matematick\u00e9ho \u00fakolu a sou\u010dasn\u011b v r\u00e1mci v\u00fdpo\u010dtu zprost\u0159edkov\u00e1v\u00e1 pos\u00edl\u00e1n\u00ed virtu\u00e1ln\u00edch pen\u011bz v bitcoinov\u00e9 s\u00edti. Jednodu\u0161e lze konstatovat, jestli\u017ee by se nehledalo \u0159e\u0161en\u00ed matematick\u00e9 \u00falohy, nebylo by mo\u017en\u00e9 bitcoiny ani nikam pos\u00edlat.&#13; &#13; T\u011b\u017ea\u0159i validuj\u00ed transakce prost\u0159ednictv\u00edm sv\u00fdch po\u010d\u00edta\u010d\u016f. Co znamen\u00e1 validace? Jedn\u00e1 se o to, \u017ee zaslan\u00e9 pen\u00edze od adres\u00e1ta se dostanou v po\u0159\u00e1dku k p\u0159\u00edjemci.&#13; Bitcoinov\u00e1 s\u00ed\u0165 a jej\u00ed slo\u017eitost&#13; &#13; Neust\u00e1le se samoz\u0159ejm\u011b m\u011bn\u00ed po\u010det t\u011b\u017ea\u0159\u016f a s t\u00edm souvisej\u00edc\u00ed i matematick\u00fd v\u00fdpo\u010detn\u00ed v\u00fdkon bitcoinov\u00e9 s\u00edt\u011b. Z tohoto d\u016fvodu je v bitcoinu zaveden algoritmus, jen\u017e pravideln\u011b reguluje rychlost t\u011b\u017eby za pomoci hash k\u00f3du, kter\u00fd pr\u00e1v\u011b mus\u00ed t\u011b\u017ea\u0159i vy\u0159e\u0161it. Upraven je dle aktu\u00e1ln\u00edho v\u00fdpo\u010detn\u00edho v\u00fdkonu s\u00edt\u011b, aby jeden blok mohl b\u00fdt vyt\u011b\u017een v pr\u016fm\u011bru za deset minut.&#13; &#13; Aby v\u0161e mohlo fungovat, tj. aby nov\u00e9 bloky mohly vzniknout zhruba po v\u00fd\u0161e zm\u00edn\u011bn\u00fdch deseti minut\u00e1ch, je zapot\u0159eb\u00ed sledovat v\u00fdkon cel\u00e9 bitcoinov\u00e9 s\u00edt\u011b. Jestli\u017ee se v\u00fdkon zdvojn\u00e1sob\u00ed, m\u00e1 to vliv rovn\u011b\u017e na zv\u00fd\u0161en\u00ed rychlosti v r\u00e1mci nalezen\u00ed bloku. S\u00ed\u0165 automaticky tuto skute\u010dnost \u0159e\u0161\u00ed navy\u0161ov\u00e1n\u00edm \u010di sni\u017eov\u00e1n\u00edm obt\u00ed\u017enosti k nalezen\u00ed nov\u00e9ho hashe nad nov\u00fdm blokem.&#13; &#13; S\u00ed\u0165 za\u010dala fungovat v roce 2009, kdy byla vytvo\u0159ena osobou \u010di skupinou lid\u00ed podepsanou pod jm\u00e9nem Satoshi Nakamoto. K autorstv\u00ed se o p\u00e1r let pozd\u011bji p\u0159ihl\u00e1sil Craig Steven Wright, co\u017e v\u0161ak bylo z\u00e1hy zpochybn\u011bno.&#13;                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"T\u011b\u017een\u00ed bitcoin\u016f neboli fenom\u00e9n modern\u00ed doby","item":"https:\/\/www.zambra.cz\/tezeni-bitcoinu-neboli-fenomen-moderni-doby\/#breadcrumbitem"}]}]