[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.n-joy.cz\/bitcoin-tezba-ma-vymezeny-cas\/#Article","mainEntityOfPage":"https:\/\/www.n-joy.cz\/bitcoin-tezba-ma-vymezeny-cas\/","headline":"Bitcoin t\u011b\u017eba m\u00e1 vymezen\u00fd \u010das","name":"Bitcoin t\u011b\u017eba m\u00e1 vymezen\u00fd \u010das","description":"Jedn\u00e1 se o hv\u011bzdu mezi kryptom\u011bnami, kter\u00fdch je nyn\u00ed v digit\u00e1ln\u00edm sv\u011bt\u011b v\u00edc, ne\u017e dostatek. To ov\u0161em ale d\u00e1v\u00e1 ka\u017ed\u00e9mu mo\u017enost za\u010d\u00edt vyd\u011bl\u00e1vat t\u011b\u017ebou kryptom\u011bn. Kdy\u017e se objevily prvn\u00ed bitcoiny, tak jim moc lid\u00ed nev\u011b\u0159ilo. Z\u00edsk\u00e1valy se r\u016fzn\u00fdmi zp\u016fsoby, p\u0159edev\u0161\u00edm u mlad\u00e9 generace. Za p\u0159e\u010dten\u00ed reklam, \u010dl\u00e1nk\u016f nebo jako odm\u011bna v r\u016fzn\u00fdch online hr\u00e1ch. Pozd\u011bji […]","datePublished":"2018-05-13","dateModified":"2018-05-13","author":{"@type":"Person","@id":"https:\/\/www.n-joy.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.n-joy.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/091b4d684e9af597ec9885a078917281e353fb1084ff05c94355123dbb14e899?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/091b4d684e9af597ec9885a078917281e353fb1084ff05c94355123dbb14e899?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"n-joy.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.n-joy.cz\/wp-content\/uploads\/img_a317905_w2179_t1528704952.jpg","url":"https:\/\/www.n-joy.cz\/wp-content\/uploads\/img_a317905_w2179_t1528704952.jpg","height":0,"width":0},"url":"https:\/\/www.n-joy.cz\/bitcoin-tezba-ma-vymezeny-cas\/","about":["Finance"],"wordCount":489,"articleBody":"  Jedn\u00e1 se o hv\u011bzdu mezi kryptom\u011bnami, kter\u00fdch je nyn\u00ed v digit\u00e1ln\u00edm sv\u011bt\u011b v\u00edc, ne\u017e dostatek. To ov\u0161em ale d\u00e1v\u00e1 ka\u017ed\u00e9mu mo\u017enost za\u010d\u00edt vyd\u011bl\u00e1vat t\u011b\u017ebou kryptom\u011bn. Kdy\u017e se objevily prvn\u00ed bitcoiny, tak jim moc lid\u00ed nev\u011b\u0159ilo. Z\u00edsk\u00e1valy se r\u016fzn\u00fdmi zp\u016fsoby, p\u0159edev\u0161\u00edm u mlad\u00e9 generace. Za p\u0159e\u010dten\u00ed reklam, \u010dl\u00e1nk\u016f nebo jako odm\u011bna v r\u016fzn\u00fdch online hr\u00e1ch. Pozd\u011bji se za\u010dalo s t\u011b\u017ebou, a jak to v za\u010d\u00e1tc\u00edch b\u00fdv\u00e1, nebyla t\u0159eba k tomu \u017e\u00e1dn\u00e1 t\u011b\u017ek\u00e1 nebo slo\u017eit\u00e1 technika. Sta\u010dil oby\u010dejn\u00fd po\u010d\u00edta\u010d. B\u011bhem chv\u00edle se zjistilo, \u017ee dolov\u00e1n\u00ed bitcoin\u016f pomoc\u00ed v\u00fdkonn\u00fdch grafick\u00fdch karet je daleko rychlej\u0161\u00ed a \u00fa\u010dinn\u011bj\u0161\u00ed. Ale ani to za \u010das nesta\u010dilo. V dne\u0161n\u00ed dob\u011b je nutno po\u0159\u00eddit daleko produktivn\u011bj\u0161\u00ed a rychlej\u0161\u00ed t\u011b\u017eebn\u00ed stroj, t\u00edm se stal Asic miner s \u010dipem. M\u00e1 v\u016fbec smysl takov\u00e1 investice? V podstat\u011b ano, jeliko\u017e bitcoin t\u011b\u017eba je\u0161t\u011b nekon\u010d\u00ed. D\u00edky propracovanosti projektu, posledn\u00ed bitcoin bude vyt\u011b\u017een a\u017e v roce 2140 a toho se my u\u017e nedo\u017eijeme. T\u011b\u017eba nen\u00ed fyzicky n\u00e1ro\u010dn\u00e1  T\u011b\u017ea\u0159 se u dolov\u00e1n\u00ed fyzicky skute\u010dn\u011b moc nam\u00e1hat nebude, n\u00e1ro\u010dn\u00e1 je sp\u00ed\u0161 prvn\u00ed investice do vybaven\u00ed, kter\u00e9 je nezbytn\u011b nutn\u00e9 a pak se mus\u00ed po\u010d\u00edtat d\u00e1le se spot\u0159ebou elektrick\u00e9ho proudu na provoz, kter\u00fd je neomezen\u00fd. T\u011b\u017een\u00ed samotn\u00e9 je pouze potvrzov\u00e1n\u00ed transakc\u00ed, kter\u00e9 jsou v takov\u00e9m bal\u00edku, kter\u00e9mu se \u0159\u00edk\u00e1 blok. Takov\u00fd blok obsahuje r\u016fzn\u00e9 transakce a spole\u010dn\u011b dohromady tvo\u0159\u00ed blockchain. Nov\u00fd blok je vygenerov\u00e1n pr\u016fm\u011brn\u011b jednou za 10 minut.  Za\u0159\u00edzen\u00ed miner\u016f poslouch\u00e1 nov\u00e9 transakce, kter\u00e9 v s\u00edti putuj\u00ed, a shroma\u017e\u010fuje je u sebe. Pomoc\u00ed h\u00e1d\u00e1n\u00ed se sna\u017e\u00ed naj\u00edt spr\u00e1vn\u00fd hash a kdy\u017e ho nalezne, tak je vlo\u017e\u00ed do nov\u011b vznikl\u00e9ho bloku. Dal\u0161\u00ed ov\u011b\u0159en\u00ed mus\u00ed b\u00fdt provedeno v blockchainu, kde je transakce ov\u011b\u0159ena dal\u0161\u00edmi u\u017eivateli. Transakce obsahuje pom\u011brn\u011b d\u016fle\u017eit\u00e9 informace  Jedn\u00e1 se o pouh\u00fd datov\u00fd soubor, kter\u00fd obsahuje d\u016fle\u017eit\u00e9 \u00fadaje. Asi ty nez\u00e1kladn\u011bj\u0161\u00ed, jeliko\u017e je zde zaznamenan\u00e1 adresa \u00fa\u010dtu odes\u00edlatele, p\u0159\u00edjemce a tak\u00e9 jak velk\u00e1 \u010d\u00e1stka je pos\u00edlan\u00e1. Nikde nefiguruje jm\u00e9no nebo fyzick\u00e1 adresa, tak\u017ee v\u0161e prob\u00edh\u00e1 pod \u010d\u00edsly v naprost\u00e9 anonymit\u011b. Tak\u00e9 k takov\u00e9mu procesu je nutno si za\u0159\u00eddit virtu\u00e1ln\u00ed pen\u011b\u017eenku. Ov\u011b\u0159ov\u00e1n\u00edm se tak\u00e9 snadno zjist\u00ed, jestli m\u00e1 odes\u00edlatel dostate\u010dn\u00fd obnos a pokud je transakce bez probl\u00e9m\u016f, tak se b\u011bhem chv\u00edle dostane t\u0159eba na druh\u00fd konec sv\u011bta. \u017d\u00e1dn\u00fd podvod nebo fal\u0161ov\u00e1n\u00ed zde nehroz\u00ed. Pouze odm\u011bna za vykonanou pr\u00e1ci.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bitcoin t\u011b\u017eba m\u00e1 vymezen\u00fd \u010das","item":"https:\/\/www.n-joy.cz\/bitcoin-tezba-ma-vymezeny-cas\/#breadcrumbitem"}]}]