[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.daguerre.cz\/tezeni-bitcoinu-potvrzeni-bloku-za-odmenu\/#Article","mainEntityOfPage":"https:\/\/www.daguerre.cz\/tezeni-bitcoinu-potvrzeni-bloku-za-odmenu\/","headline":"T\u011b\u017een\u00ed bitcoin\u016f \u2013 potvrzen\u00ed bloku za odm\u011bnu","name":"T\u011b\u017een\u00ed bitcoin\u016f \u2013 potvrzen\u00ed bloku za odm\u011bnu","description":"V\u0161imli jste si, \u017ee ve virtu\u00e1ln\u00edm sv\u011bt\u011b m\u016f\u017eete platit je\u0161t\u011b jinou m\u011bnou, ne\u017e je ta tradi\u010dn\u00ed? Touto m\u011bnou je m\u011bna virtu\u00e1ln\u00ed \u010di jinak zvan\u00e1 digit\u00e1ln\u00ed, elektronick\u00e1 nebo kryptom\u011bna. Stru\u010dn\u011b \u0159e\u010deno jde o typ elektronick\u00fdch pen\u011bz, kter\u00e9 jsou zalo\u017een\u00e9 na principu... <a class=\"more-link\" href=\"https:\/\/www.daguerre.cz\/tezeni-bitcoinu-potvrzeni-bloku-za-odmenu\/\">Pokra\u010dovat ve \u010dten\u00ed &rarr;<\/a>","datePublished":"2018-07-04","dateModified":"2023-05-15","author":{"@type":"Person","@id":"https:\/\/www.daguerre.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.daguerre.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/093836c6bc976bea6a4c3cd39f9136c261430c33201aa865249fef2be34e3fdb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/093836c6bc976bea6a4c3cd39f9136c261430c33201aa865249fef2be34e3fdb?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"daguerre.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.daguerre.cz\/wp-content\/uploads\/img_a323427_w2240_t1535088449.jpg","url":"https:\/\/www.daguerre.cz\/wp-content\/uploads\/img_a323427_w2240_t1535088449.jpg","height":0,"width":0},"url":"https:\/\/www.daguerre.cz\/tezeni-bitcoinu-potvrzeni-bloku-za-odmenu\/","about":["Www"],"wordCount":398,"articleBody":"        V\u0161imli jste si, \u017ee ve virtu\u00e1ln\u00edm sv\u011bt\u011b m\u016f\u017eete platit je\u0161t\u011b jinou m\u011bnou, ne\u017e je ta tradi\u010dn\u00ed? Touto m\u011bnou je m\u011bna virtu\u00e1ln\u00ed \u010di jinak zvan\u00e1 digit\u00e1ln\u00ed, elektronick\u00e1 nebo kryptom\u011bna. Stru\u010dn\u011b \u0159e\u010deno jde o typ elektronick\u00fdch pen\u011bz, kter\u00e9 jsou zalo\u017een\u00e9 na principu kryptografie. Krom\u011b toho nepat\u0159\u00ed \u017e\u00e1dn\u00e9 bance ani st\u00e1tu a kontrolu nad n\u00ed maj\u00ed t\u011b\u017ea\u0159i, kte\u0159\u00ed d\u00edky s\u00ed\u0165ov\u00fdm uzl\u016fm a miningu zaji\u0161\u0165uj\u00ed, aby prov\u00e1d\u011bn\u00e9 transakce prob\u011bhly v po\u0159\u00e1dku a s\u00ed\u0165 nebylo mo\u017en\u00e9 napadnout.  Kryptom\u011bna je dokonce nezfal\u0161ovateln\u00e1 a velice t\u011b\u017ece zneu\u017eiteln\u00e1. Prvn\u00ed kryptom\u011bna na virtu\u00e1ln\u00edm trhu je Bitcoin zkr. BTC.  BTC m\u016f\u017eete z\u00edskat bu\u010f n\u00e1kupem nebo pr\u00e1v\u011b p\u0159es t\u011b\u017een\u00ed bitcoin\u016f. Stru\u010dn\u011b se tento proces nech\u00e1 popsat jako potvrzen\u00ed bloku, kter\u00e9ho obsahem jsou transakce. Potvrzen\u00edm jsou transakce ov\u011b\u0159eny. Za tuto \u010dinnost miner \u2013 t\u011b\u017ea\u0159 z\u00edsk\u00e1v\u00e1 odm\u011bnu pr\u00e1v\u011b v podob\u011b BTC a krom\u011b toho tak\u00e9 z poplatk\u016f za proveden\u00e9 transakce. Z\u00e1kladem miningu je tzv. hashovac\u00ed funkce. Jedn\u00e1 se o data, kter\u00e9 se p\u0159ev\u00e1d\u011bj\u00ed do k\u00f3d\u016f, kter\u00e9 spo\u010d\u00edvaj\u00ed v \u010d\u00edslech nebo symbolech. V praxi si to m\u016f\u017eete p\u0159edstavit jako text prom\u011bn\u011bn\u00fd v \u010d\u00edsla a symboly. Jednodu\u0161e za\u0161ifrovan\u00fd text. Sou\u010d\u00e1st\u00ed miningu je tak\u00e9 blockchain. Ten obsahuje ji\u017e zm\u00edn\u011bn\u00e9 bloky s transakcemi, kter\u00e9 se postupn\u011b se\u0159azuj\u00ed do \u0159et\u011bzce blok\u016f.  Toto v\u0161e m\u00e1 za n\u00e1sledek to, \u017ee BTC nen\u00ed mo\u017en\u00e9 pad\u011blat ani nijak zneu\u017e\u00edvat celou s\u00ed\u0165 \u010di podv\u00e1d\u011bt. Je to d\u00e1no tak\u00e9 t\u00edm, \u017ee po\u010det BTC je omezen\u00fd, tak\u017ee se nech\u00e1 velice snadno spo\u010d\u00edtat, jestli dle transakc\u00ed po\u010det sed\u00ed. Blockchain je ve\u0159ejn\u00fd, tak\u017ee maj\u00ed do n\u011bj p\u0159\u00edstup v\u0161ichni u\u017eivatel\u00e9 s\u00edt\u011b BTC. Abyste mohli b\u00fdt sou\u010d\u00e1st\u00ed miningu, pot\u0159ebujete v\u00fdkonn\u00fd PC a t\u011b\u017ea\u0159sk\u00fd HW. K miningu je pot\u0159ebn\u00fd pr\u00e1v\u011b vysok\u00fd v\u00fdkon za\u0159\u00edzen\u00ed co je n\u00e1ro\u010dn\u00e9 na spot\u0159ebu elektrick\u00e9 energie. Nevyplat\u00ed se t\u011b\u017eit samostatn\u011b, a proto je pot\u0159ebn\u00e9 si naj\u00edt tak\u00e9 vhodn\u00fd mining pool \u2013 seskupen\u00ed t\u011b\u017ea\u0159\u016f a spole\u010dn\u00fd mining.                                                                                                                                                                                                                                                                                                                                                                                           3.6\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"T\u011b\u017een\u00ed bitcoin\u016f \u2013 potvrzen\u00ed bloku za odm\u011bnu","item":"https:\/\/www.daguerre.cz\/tezeni-bitcoinu-potvrzeni-bloku-za-odmenu\/#breadcrumbitem"}]}]