{"id":1734,"date":"2023-11-16T12:44:58","date_gmt":"2023-11-16T12:44:58","guid":{"rendered":"https:\/\/xn--svtkryptomn-hsbi.com\/?p=1734"},"modified":"2023-09-14T12:46:41","modified_gmt":"2023-09-14T12:46:41","slug":"blockchain-technologie-budoucnosti","status":"publish","type":"post","link":"https:\/\/xn--svtkryptomn-hsbi.com\/?p=1734","title":{"rendered":"Blockchain \u2013 technologie budoucnosti"},"content":{"rendered":"\n<p>Blockchain je pova\u017eov\u00e1n za nejrevolu\u010dn\u011bj\u0161\u00ed technologickou inovaci od dob internetu. V\u011bt\u0161ina lid\u00ed si v\u0161ak blockchain spojuje pouze s technologi\u00ed stoj\u00edc\u00ed za Bitcoinem \u2013 proto\u017ee pr\u00e1v\u011b p\u0159i vytv\u00e1\u0159en\u00ed Bitcoinu byl blockchain poprv\u00e9 ve v\u011bt\u0161\u00edm m\u011b\u0159\u00edtku pou\u017eit. <strong>Co je to ale vlastn\u011b technologie blockchain?<\/strong> Jak vznikla a jak\u00e1 bude jej\u00ed budoucnost?<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Zrod technologie<\/h2>\n\n\n\n<p>Blockchain byl vytvo\u0159en osobou \u2013 nebo skupinou lid\u00ed \u2013 pracuj\u00edc\u00edch pod pseudonymem Satoshi Nakamoto. Vytvo\u0159en\u00ed blockchainu \u00fazce souvis\u00ed s vytvo\u0159en\u00edm Bitcoinu, kter\u00fd na trh uvedl Satoshi v roce 2009. To ale neznamen\u00e1, \u017ee Satoshi \u2013 a\u0165 u\u017e to byl kdokoli \u2013 vytvo\u0159il celou technologii obklopuj\u00edc\u00ed blockchain a Bitcoin samotn\u00fd. Po\u010d\u00edta\u010dov\u00ed v\u011bdci Stuart Haber a W. Scott Stornetta zkoumali \u0161ifrovan\u00fd \u0159et\u011bzec blok\u016f roky p\u0159ed vytvo\u0159en\u00edm Bitcoinu, ale sv\u016fj n\u00e1pad neuskute\u010dnili a dr\u017eeli se pouze teorie.<\/p>\n\n\n\n<p>Bitcoin byl vytvo\u0159en jako otev\u0159en\u00fd a p\u0159\u00edstupn\u00fd software, kter\u00fd umo\u017enil ka\u017ed\u00e9mu, kdo m\u011bl z\u00e1jem, vytvo\u0159it si vlastn\u00ed kryptom\u011bnu pomoc\u00ed k\u00f3du. To ryhle vedlo k vytvo\u0159en\u00ed takzvan\u00fdch \u201ealtcoin\u016f\u201c \u2013 kryptom\u011bn, kter\u00e9 se sna\u017eily nahradit nebo vylep\u0161it n\u00e1pady pou\u017e\u00edvan\u00e9 p\u0159i vytv\u00e1\u0159en\u00ed Bitcoin\u016f. V\u00fdsledkem je, \u017ee v sou\u010dasn\u00e9 dob\u011b existuje asi 2500 kryptom\u011bn, z nich\u017e v\u011bt\u0161ina vyu\u017e\u00edv\u00e1 technologii blockchain.<\/p>\n\n\n\n<p>Kdy\u017e se Bitcoin uk\u00e1zal jako majetek usp\u011b\u0161n\u00fd, program\u00e1to\u0159i za\u010dali vid\u011bt potenci\u00e1l blockchainu. <strong>Za\u010dalo se zkoumat vyu\u017eit\u00ed blockchainu mimo kryptom\u011bny.<\/strong> V po\u010d\u00e1tc\u00edch byla tato technologie pova\u017eov\u00e1na od Bitcoinu za neodd\u011blitelnou. Jednalo se ale jednodu\u0161e o aplikaci postavenou pomoc\u00ed blockchainu.<\/p>\n\n\n\n<p>Co je tedy blockchain? Jedn\u00e1 se o <strong>decentralizovanou, distribuovanou \u00fa\u010detn\u00ed knihu, kter\u00e1 je navr\u017eena k registraci transakc\u00ed bez vn\u011bj\u0161\u00ed autorizace. <\/strong>Je to d\u00edky tomu mechanismus, kter\u00fd se osv\u011bd\u010dil v jak\u00e9koli sm\u011bn\u00e1rn\u011b, kter\u00e1 m\u016f\u017ee vyu\u017e\u00edvat v\u011bt\u0161\u00ed transparentnost, rychlost a decentralizaci.<\/p>\n\n\n\n<p>Objevov\u00e1n\u00ed potenci\u00e1lu blockchainu z n\u011bj u\u010dinilo c\u00edl mnoha test\u016f a investic a kolem roku 2014 se lid\u00e9 za\u010dali pokou\u0161et upravit jeho k\u00f3d pro pou\u017eit\u00ed ve zdravotnictv\u00ed, poji\u0161\u0165ovnictv\u00ed, dodavatelsk\u00fdch \u0159et\u011bzc\u00edch nebo volb\u00e1ch. <strong>V roce 2017 vyu\u017e\u00edvalo blockchain aleaspo\u0148 v n\u011bjak\u00e9 form\u011b ji\u017e 15% bank.<\/strong><\/p>\n\n\n\n<p>Blockchain od doby co by\u0142 vytvo\u0159en pro\u0161el ji\u017e n\u011bkolika zm\u011bnami, v\u00fdvojem a adaptac\u00ed pro nov\u00e9 \u00fakoly. V roce 2013 vydal program\u00e1tor jm\u00e9nem Vitalik Buterin Ethereum \u2013 kryptom\u011bnu, kter\u00e1 se v sou\u010dasnosti stala druhou nejv\u011bt\u0161\u00ed z hlediska tr\u017en\u00edho pod\u00edlu. Vitalik cht\u011bl, aby bylo Ethereum pou\u017e\u00edv\u00e1no jako n\u00e1stroj p\u0159i v\u00fdvoji decentralizovan\u00fdch blockchainov\u00fdch aplikac\u00ed. Proto naprogramoval funkci zn\u00e1mou jako \u201einteligentn\u00ed smlouva\u201c, kter\u00e1 umo\u017e\u0148ovala p\u0159\u00edmou v\u00fdm\u011bnu amajetku bez pou\u017eit\u00ed brokera. D\u0159\u00edve jste mohli vym\u011b\u0148ovat pouze tokeny kryptom\u011bn, ale pomoc\u00ed inteligentn\u00edch smluv m\u016f\u017eete Ethereum vym\u011b\u0148ovat za dal\u0161\u00ed majetek, jako jsou dluhopisy, p\u016fj\u010dky, produkty nebo slu\u017eby. \u201eChytr\u00e9 kontrakty\u201c dr\u017e\u00ed majetek v \u00faschov\u011b b\u011bhem t\u00e9to v\u00fdm\u011bny, dokud nejsou spln\u011bny dan\u00e9 podm\u00ednky.<\/p>\n\n\n\n<p>Aktu\u00e1ln\u00ed hlavn\u00ed nev\u00fdhodou blockchainu, kter\u00e1 zastavuje jeho v\u00fdvoj je jeho roz\u0161i\u0159itelnost. Rychlost p\u0159enosu z\u00e1vis\u00ed na rychlosti zpracov\u00e1n\u00ed dat v\u0161emi po\u010d\u00edta\u010di v \u0159et\u011bzci a proto\u017ee \u0159et\u011bzec mus\u00ed zpracov\u00e1vat v\u0161echny tyto transakce sou\u010dasn\u011b, m\u016f\u017ee b\u00fdt tato rychlost n\u00edzk\u00e1. To je d\u016fvod, pro\u010d potvrzen\u00ed Bitcoinov\u00e9 transakce m\u016f\u017ee trvat hodiny i p\u0159es okam\u017eit\u00fd p\u0159enos dat. Ostatn\u00edm kryptom\u011bn\u00e1m se poda\u0159ilo tento probl\u00e9m zvl\u00e1dnout, nicm\u00e9n\u011b st\u00e1le nen\u00ed vy\u0159e\u0161en.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modern\u00ed blockchain<\/h3>\n\n\n\n<p>Jak funguje technologie blockchain? Obecn\u011b je <strong>blockchain s\u00e9rie nem\u011bnn\u00fdch datov\u00fdch z\u00e1znam\u016f ozna\u010den\u00fdch \u010dasem, kter\u00e9 jsou spravov\u00e1ny skupinou po\u010d\u00edta\u010d\u016f, kter\u00e9 nevlastn\u00ed \u017e\u00e1dn\u00e1 osoba.<\/strong> Ka\u017ed\u00fd z t\u011bchto datov\u00fdch segment\u016f (blok) je zabezpe\u010den a sv\u00e1z\u00e1n s dal\u0161\u00edm (\u0159et\u011bzcem) pomoc\u00ed kryptografick\u00fdch pravidel.<\/p>\n\n\n\n<p>Blockchainov\u00e1 s\u00ed\u0165 nem\u00e1 centr\u00e1ln\u00ed org\u00e1n a jej\u00ed zdrojov\u00fd k\u00f3d je ve\u0159ejn\u00fd. Proto jsou informace obsa\u017een\u00e9 v bloc\u00edch v\u0161em dostupn\u00e9. Pou\u017e\u00edv\u00e1n\u00ed blockchainu nem\u00e1 \u017e\u00e1dn\u00e9 transak\u010dn\u00ed n\u00e1klady \u2013 pouze n\u00e1klady na strukturu. Pro shrnut\u00ed, blockchain je snadn\u00fd zp\u016fsob, jak z\u00edskat informa\u010dn\u00ed formul\u00e1\u0159 z A do B zcela automatizovan\u00fdm a bezpe\u010dn\u00fdm zp\u016fsobem.<\/p>\n\n\n\n<p>B\u011bhem transakce jedna strana zah\u00e1j\u00ed proces vytvo\u0159en\u00edm bloku. Tento blok pak ov\u011b\u0159uj\u00ed tis\u00edce po\u010d\u00edta\u010d\u016f v s\u00edti. Do \u0159et\u011bzce ulo\u017een\u00e9ho na internetu se p\u0159id\u00e1 ov\u011b\u0159en\u00fd blok, \u010d\u00edm\u017e vznikne nejen unik\u00e1tn\u00ed z\u00e1znam, kter\u00fd je ale tak\u00e9 autorizovan\u00fd ka\u017ed\u00fdm po\u010d\u00edta\u010dem v s\u00edti. <strong>Pad\u011bl\u00e1n\u00ed z\u00e1znamu by vy\u017eadovalo \u00fapravu cel\u00e9ho \u0159et\u011bzce v ka\u017ed\u00e9 dostupn\u00e9 kopii, co\u017e je pova\u017eov\u00e1no za nemo\u017en\u00e9.<\/strong> Jak ji\u017e bylo zm\u00edn\u011bno, tento proces se pou\u017e\u00edv\u00e1 hlavn\u011b pro transakce s kryptom\u011bnami, ale neexistuj\u00ed \u017e\u00e1dn\u00e1 omezen\u00ed ohledn\u011b toho, kter\u00e1 data lze nebo nelze t\u00edmto zp\u016fsobem p\u0159en\u00e1\u0161et.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0158et\u011bzec blok\u016f \u2013 univerz\u00e1ln\u00ed \u0159e\u0161en\u00ed<\/h3>\n\n\n\n<p>Blockchain je spravov\u00e1n s\u00edt\u00ed peer-to-peer (klient-klient), co\u017e je skupina vz\u00e1jemn\u011b propojen\u00fdch uzl\u016f. Uzly jsou jednotliv\u00e9 po\u010d\u00edta\u010de, kter\u00e9 berou vstupn\u00ed data, pou\u017e\u00edvaj\u00ed je pro v\u00fdpo\u010dty a pot\u00e9 generuj\u00ed data v\u00fdstupn\u00ed. S\u00ed\u0165 peer-to-peer je typ p\u0159ipojen\u00ed, kter\u00fd rovnom\u011brn\u011b rozd\u011bluje z\u00e1t\u011b\u017e mezi v\u0161echny u\u017eivatele s\u00edt\u011b. V s\u00edti peer-to-peer nen\u00ed \u017e\u00e1dn\u00fd centr\u00e1ln\u00ed server \u2013 je distribuov\u00e1n a kop\u00edrov\u00e1n.<\/p>\n\n\n\n<p>Stejn\u00e1 technologie, rovn\u011b\u017e vyu\u017e\u00edvaj\u00edc\u00ed uzly (bloky) a propojen\u00ed mezi nimi, je vyu\u017e\u00edv\u00e1na mnoha zp\u016fsoby i mimo blockchain. <strong>Jedn\u00edm z hlavn\u00edch vyu\u017eit\u00ed s\u00edt\u011b peer-to-peer je sd\u00edlen\u00ed soubor\u016f, zn\u00e1m\u00e9 tak\u00e9 jako torrenting<\/strong>, kter\u00e9 rozd\u011bluje data do mal\u00fdch bal\u00ed\u010dk\u016f distribuovan\u00fdch mezi u\u017eivatele. D\u00edky distribuci je torrenting m\u00e9n\u011b n\u00e1chyln\u00fd k cenzu\u0159e ne\u017e tradi\u010dn\u00ed \u0159e\u0161en\u00ed.<\/p>\n\n\n\n<p><strong>Struktura peer-to-peer s\u00edt\u011b v oblasti kryptom\u011bn je postavena podle mechanismu shody, co\u017e znamen\u00e1 potvrzen\u00ed souhlasu dat z mnoha uzl\u016f.<\/strong> V p\u0159\u00edpad\u011b kryptom\u011bn jako Bitcoin a Ethereum, kter\u00e9 k potvrzov\u00e1n\u00ed transakc\u00ed vyu\u017e\u00edvaly star\u00fd mechanismus shody (Ethereum nakonec pokra\u010dovalo v pou\u017e\u00edv\u00e1n\u00ed modelu \u201eProof of Stake\u201c), m\u011bly v\u0161echny uzly stejnou prioritu. Uzly nemaj\u00ed \u017e\u00e1dn\u00e9 zvl\u00e1\u0161tn\u00ed role, ale jejich funkce a \u00farove\u0148 zapojen\u00ed se mohou li\u0161it.<\/p>\n\n\n\n<p>Jak se ale transakce ov\u011b\u0159uj\u00ed, kdy\u017e neexistuje \u017e\u00e1dn\u00fd centr\u00e1ln\u00ed syst\u00e9m? S\u00ed\u0165 funguje v souladu s \u201egossip protokolem\u201c. Zpr\u00e1vu nejprve p\u0159ijmou nejbli\u017e\u0161\u00ed uzly a pot\u00e9 uzly sousedn\u00ed, dokud nejsou data distribuov\u00e1na po cel\u00e9 s\u00edti.<\/p>\n\n\n\n<p>Pomal\u00e9 fungov\u00e1n\u00ed tohoto syst\u00e9mu zp\u016fsobilo, \u017ee mnoho nov\u00fdch kryptom\u011bn zvolilo souhlasn\u00fd mechanismus zalo\u017een\u00fd na takvzvan\u00fdch v\u016fdc\u00edch. Uzly si vyb\u00edraj\u00ed \u201esuperuzly\u201c, kter\u00e9 jsou zodpov\u011bdn\u00e9 za shodu a obecn\u00fd stav s\u00edt\u011b. T\u00edmto zp\u016fsobem jsou data p\u0159en\u00e1\u0161ena rychleji, ale s\u00ed\u0165 ji\u017e nen\u00ed pln\u011b decentralizovan\u00e1. V tomto smyslu je v\u00fdb\u011br s\u00ed\u0165ov\u00e9ho modelu kompromisem mezi rychlost\u00ed a decentralizac\u00ed.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00e1dech budnoucnosti \u2013 blockchain v praxi<\/h3>\n\n\n\n<p>K cemu m\u016f\u017ee b\u00fdt blockchain v budoucnosti pou\u017eit? P\u00e1r konkr\u00e9tn\u00edch p\u0159\u00edklad\u016f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chytr\u00e9 smlouvy. <\/strong>Distribuovan\u00e9 \u00fa\u010detn\u00ed knihy umo\u017e\u0148uj\u00ed programov\u00e1n\u00ed jednoduch\u00fdch smluv, kter\u00e9 budou spln\u011bny, pokud bude spln\u011bn soubor krit\u00e9ri\u00ed. Nap\u0159\u00edklad Ethereum je blockchainov\u00fd projekt zalo\u017een\u00fd na otev\u0159en\u00e9m zdrojov\u00e9m k\u00f3du, kter\u00fd byl vytvo\u0159en speci\u00e1ln\u011b pro vyu\u017eit\u00ed t\u00e9to mo\u017enosti. Na sou\u010dasn\u00e9 technologick\u00e9 \u00farovni m\u016f\u017eete k\u00f3dovat smlouvy pro pln\u011bn\u00ed jednoduch\u00fdch funkc\u00ed. Nap\u0159\u00edklad odvozeninu lze uzav\u0159\u00edt, pokud finan\u010dn\u00ed n\u00e1stroj dos\u00e1hne stanoven\u00e9ho c\u00edle, s vyu\u017eit\u00edm technologie blockchain a Bitcoinu k automatizaci v\u00fdplaty.<\/li>\n\n\n\n<li><strong>Volby, pr\u016fzkumy a testy.<\/strong> D\u00edky transparentnosti zad\u00e1v\u00e1n\u00ed, ve\u0159ejn\u00e9mu p\u0159\u00edstupu a \u017e\u00e1dn\u00e9 mo\u017enosti jeho pad\u011bl\u00e1n\u00ed m\u016f\u017ee syst\u00e9m zajistit plnou transparentnost n\u00e1rodn\u00edch pr\u016fzkum\u016f a hlasov\u00e1n\u00ed. Chytr\u00e9 smlouvy s vyu\u017eit\u00edm Etherea naopak pom\u00e1haj\u00ed proces automatizovat. Existuje ji\u017e aplikace s n\u00e1zvem Boardroom, kter\u00e1 umo\u017e\u0148uje p\u0159ij\u00edmat organiza\u010dn\u00ed rozhodnut\u00ed na z\u00e1klad\u011b blockchainu.<\/li>\n\n\n\n<li><strong>Audity dodavatelks\u00e9ho \u0159et\u011bzce.<\/strong> Rostouc\u00ed \u00farove\u0148 spot\u0159eby jde ruku v ruce se z\u00e1jmem o zdroje produkt\u016f a surovin, zejm\u00e9na v kontextu etiky a \u017eivotn\u00edho prost\u0159ed\u00ed. Distribuovan\u00e9 \u00fa\u010detn\u00ed knihy mohou snadno ov\u011b\u0159it, zda je pravda, co v\u00fdrobce tvrd\u00ed. Audit zahrnuje \u010dasov\u00e1 a lokaliza\u010dn\u00ed raz\u00edtka zaznamenan\u00e1 na blockchainu.<\/li>\n\n\n\n<li><strong>Ochrana du\u0161evn\u00edho vlastnictv\u00ed.<\/strong> Digit\u00e1ln\u00ed informace lze nekone\u010dn\u011b znovu zaznamen\u00e1vat a distribuovat d\u00edky internetu. Majitel\u00e9 \u010dasto ztr\u00e1cej\u00ed kontrolu nad sv\u00fdm du\u0161evn\u00edm vlastnictv\u00edm, kter\u00e9 je neleg\u00e1ln\u011b \u0161\u00ed\u0159eno. Inteligentn\u00ed smlouvy mohou pomoci chr\u00e1nit autorsk\u00e1 pr\u00e1va a automatizovat prodej kreativn\u00edch d\u011bl, aby se ostranilo riziko kop\u00edrov\u00e1n\u00ed a opetovn\u00e9 \u0161\u00ed\u0159en\u00ed soubor\u016f.<\/li>\n\n\n\n<li><strong>Spr\u00e1va identity.<\/strong> Existuje evidentn\u00ed pot\u0159eba lep\u0161\u00ed spr\u00e1vy identit na internetu. Schopnost prok\u00e1zat svou toto\u017enost je z\u00e1kladem pro internetov\u00e9 transakce. Bezpe\u010dnostn\u00ed opat\u0159en\u00ed proti kr\u00e1de\u017ei identity prost\u0159ednictv\u00edm internetu jsou v\u0161ak p\u0159inejlep\u0161\u00edm nedokonal\u00e1. Distribuovan\u00e9 \u00fa\u010detn\u00ed knihy nab\u00edzej\u00ed vylep\u0161en\u00e9 metody autentizace u\u017eivatele a tak\u00e9 mo\u017enost digitalizace osobn\u00edch dokument\u016f.<\/li>\n\n\n\n<li><strong>N\u00e1kup a prodej cenn\u00fdch pap\u00edr\u016f.<\/strong> Potenci\u00e1l dodate\u010dn\u00e9 efektivity p\u0159i v\u00fdpo\u010dtu akci\u00ed a dluhopis\u016f je siln\u00fdm p\u0159\u00edkladem vyu\u017eit\u00ed blockchainu p\u0159i obchodov\u00e1n\u00ed s cenn\u00fdmi pap\u00edry. Po jejich potvrzen\u00ed prost\u0159ednictv\u00edm peer-to-peer se transakce stanou t\u00e9m\u011b\u0159 okam\u017e\u011b a jsou velmi bezpe\u010dn\u00e9. Potenci\u00e1ln\u011b by to mohlo znamenat, \u017ee zprost\u0159edkovatel\u00e9 \u2013 jako \u010dist\u00edc\u00ed st\u0159ediska nebo audito\u0159i \u2013 se stanou nemodern\u00ed a budou odstran\u011bni z procesu.<\/li>\n<\/ul>\n\n\n\n<p>Blockchain je tak syst\u00e9m, kter\u00fd lze pou\u017e\u00edt v mnoha v\u011bcech mimo transakce s kryptom\u011bnami a \u0159adou v\u00fdhod, kter\u00e9 tato technologie nab\u00edz\u00ed, je d\u016fvodem, pro\u010d m\u016f\u017eeme o\u010dek\u00e1vat, \u017ee se b\u011bhem n\u011bkolika let stane b\u011b\u017en\u00fdm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blockchain je pova\u017eov\u00e1n za nejrevolu\u010dn\u011bj\u0161\u00ed technologickou inovaci od dob internetu. V\u011bt\u0161ina lid\u00ed si v\u0161ak blockchain spojuje pouze s technologi\u00ed stoj\u00edc\u00ed za Bitcoinem \u2013 proto\u017ee pr\u00e1v\u011b p\u0159i vytv\u00e1\u0159en\u00ed Bitcoinu byl blockchain poprv\u00e9 ve v\u011bt\u0161\u00edm m\u011b\u0159\u00edtku pou\u017eit. Co je to ale vlastn\u011b technologie blockchain? Jak vznikla a jak\u00e1 bude jej\u00ed budoucnost?<\/p>\n","protected":false},"author":1,"featured_media":1735,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-krypto-svet"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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V\u011bt\u0161ina lid\u00ed si v\u0161ak blockchain spojuje pouze s technologi\u00ed stoj\u00edc\u00ed za Bitcoinem \u2013 proto\u017ee pr\u00e1v\u011b p\u0159i vytv\u00e1\u0159en\u00ed Bitcoinu byl blockchain poprv\u00e9 ve v\u011bt\u0161\u00edm m\u011b\u0159\u00edtku pou\u017eit. Co je to ale vlastn\u011b technologie blockchain? Jak vznikla a jak\u00e1 bude jej\u00ed budoucnost?","_links":{"self":[{"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/posts\/1734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1734"}],"version-history":[{"count":2,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/posts\/1734\/revisions"}],"predecessor-version":[{"id":1781,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/posts\/1734\/revisions\/1781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=\/wp\/v2\/media\/1735"}],"wp:attachment":[{"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xn--svtkryptomn-hsbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}