[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.hejrov.cz\/btc-prvni-kryptomena-a-jeji-mining\/#Article","mainEntityOfPage":"https:\/\/www.hejrov.cz\/btc-prvni-kryptomena-a-jeji-mining\/","headline":"BTC \u2013 prvn\u00ed kryptom\u011bna a jej\u00ed mining","name":"BTC \u2013 prvn\u00ed kryptom\u011bna a jej\u00ed mining","description":"V\u00edte, \u017ee m\u016f\u017eete platit nejen korunami, dolary, eurami \u010di jinou sv\u011btovou m\u011bnou, ale tak\u00e9 kryptom\u011bnou? Zajist\u00e9 v\u00e1s bude zaj\u00edmat co to vlastn\u011b kryptom\u011bna je. Kryptom\u011bna se jinak naz\u00fdv\u00e1 tak\u00e9 digit\u00e1ln\u00ed \u010di virtu\u00e1ln\u00ed m\u011bna nebo elektronick\u00e9 pen\u00edze. Nen\u00ed fyzick\u00e1 a ukl\u00e1d\u00e1 se na elektronick\u00e9 pen\u011b\u017eenky u\u017eivatel\u016f. Zaj\u00edmav\u00e9 na n\u00ed je, \u017ee...","datePublished":"2018-07-07","dateModified":"2018-07-07","author":{"@type":"Person","@id":"https:\/\/www.hejrov.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.hejrov.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/087c2e57f451bc02fa8017914855d7c40cf6c7d5dc1637b868e007adc26322d1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/087c2e57f451bc02fa8017914855d7c40cf6c7d5dc1637b868e007adc26322d1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"hejrov.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.hejrov.cz\/wp-content\/uploads\/img_a323422_w2109_t1535053095.jpg","url":"https:\/\/www.hejrov.cz\/wp-content\/uploads\/img_a323422_w2109_t1535053095.jpg","height":0,"width":0},"url":"https:\/\/www.hejrov.cz\/btc-prvni-kryptomena-a-jeji-mining\/","about":["Web"],"wordCount":417,"articleBody":" V\u00edte, \u017ee m\u016f\u017eete platit nejen korunami, dolary, eurami \u010di jinou sv\u011btovou m\u011bnou, ale tak\u00e9 kryptom\u011bnou? Zajist\u00e9 v\u00e1s bude zaj\u00edmat co to vlastn\u011b kryptom\u011bna je. Kryptom\u011bna se jinak naz\u00fdv\u00e1 tak\u00e9 digit\u00e1ln\u00ed \u010di virtu\u00e1ln\u00ed m\u011bna nebo elektronick\u00e9 pen\u00edze. Nen\u00ed fyzick\u00e1 a ukl\u00e1d\u00e1 se na elektronick\u00e9 pen\u011b\u017eenky u\u017eivatel\u016f.  Zaj\u00edmav\u00e9 na n\u00ed je, \u017ee nen\u00ed majetkem \u017e\u00e1dn\u00e9 banky ani st\u00e1tu, nepodl\u00e9h\u00e1 inflaci a nam\u00edsto tisku bankovek se jednodu\u0161e t\u011b\u017e\u00ed pomoc\u00ed PC a speci\u00e1ln\u00edho HW.  Jako prvn\u00ed kryptom\u011bna byl na trhu Bitcoin zkr. BTC. I tato kryptom\u011bna se roz\u0161i\u0159uje formou mining co\u017e je t\u011b\u017eba bitcoinu. A co o mining BTC v\u00edme? Mining BTC je proces, p\u0159i kter\u00e9m se potvrzuj\u00ed transakce v BTC s\u00edti. T\u00edmto prob\u00edh\u00e1 tak\u00e9 kontrola spr\u00e1vnosti a nem\u016f\u017ee se tak st\u00e1t, \u017ee by n\u011bkdo BTC mohl zfal\u0161ovat \u010di se do s\u00edt\u011b nabourat. Tak\u017ee si v\u0161e hl\u00eddaj\u00ed samotn\u00ed t\u011b\u017ea\u0159i a velk\u00e1 \u00fa\u010detn\u00ed kniha zvan\u00e1 blockchain, ve kter\u00e9 jsou ulo\u017een\u00e9 ve\u0161ker\u00e9 transakce. Miner provozuje PC p\u0159ipojen\u00fd k internetu a pomoc\u00ed s\u00edt\u011b je propojen\u00fd s ostatn\u00edmi PC t\u011b\u017ea\u0159\u016f. Tento PC nen\u00ed oby\u010dejn\u00fd b\u011b\u017en\u00fd PC, kter\u00fd denn\u011b vyu\u017e\u00edv\u00e1te, ale v\u00fdkonn\u00e1 grafick\u00e1 karta, procesor \u010di asic miner. T\u011b\u017eba bitcoinu prob\u00edh\u00e1 v v pln\u011b decentralizovan\u00e9 BTC s\u00edti, kter\u00e1 nem\u00e1 \u017e\u00e1dn\u00e9ho bank\u00e9\u0159e ani \u017e\u00e1dn\u00fd hlavn\u00ed PC. I d\u00edky tomu nem\u00e1 nikdo moc nad touto s\u00edt\u00ed a nem\u016f\u017ee j\u00ed vy\u0159adit z provozu.  T\u011b\u017ea\u0159i hledaj\u00ed tzv. bloky, ve kter\u00fdch se nach\u00e1z\u00ed zpracovan\u00fd soubor transakc\u00ed k potvrzen\u00ed. T\u011b\u017eebn\u00ed uzel si tento blok vezme a za\u0161ifruje. Z toho vznikne hash funkce co\u017e je algoritmus p\u0159ev\u00e1d\u011bj\u00edc\u00ed vstupn\u00ed data do \u010d\u00edsel a symbol\u016f. Co se t\u00fdk\u00e1 laicky \u0159e\u010deno \u00fa\u010detn\u00ed knihy tohoto syst\u00e9mu tzv. blockchain, tak se jedn\u00e1 o jak\u00fdsi soubor, seznam v\u0161ech blok\u016f, kter\u00e9 obsahuj\u00ed ve\u0161ker\u00e9 transakce. Aby se t\u011b\u017ea\u0159\u016fm mining vyplatil, tak se seskupuj\u00ed do tzv., mining pool\u016f. T\u00edm vytvo\u0159\u00ed vysokou kapacitu v\u00fdpo\u010detn\u00ed techniky a usnadn\u00ed nalezen\u00ed bloku, ze kter\u00e9ho t\u011b\u017ea\u0159\u016fm plyne odm\u011bna. Tato odm\u011bna se bez rozd\u00edlu d\u011bl\u00ed mezi v\u0161echny t\u011b\u017ea\u0159e a li\u0161\u00ed se pouze pod\u00edlem na dan\u00e9m v\u00fdkonu.                                                                                                                                                                                                                                                                                                                                                                                         3.7\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"BTC \u2013 prvn\u00ed kryptom\u011bna a jej\u00ed mining","item":"https:\/\/www.hejrov.cz\/btc-prvni-kryptomena-a-jeji-mining\/#breadcrumbitem"}]}]