[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.kofare.cz\/iota-technologie-budoucnosti\/#Article","mainEntityOfPage":"https:\/\/www.kofare.cz\/iota-technologie-budoucnosti\/","headline":"IOTA: technologie budoucnosti?","name":"IOTA: technologie budoucnosti?","description":"U\u017e od roku 2014 \u0159e\u0161\u00ed mnoho probl\u00e9m\u016f, s nimi\u017e se ostatn\u00ed kryptom\u011bny pot\u00fdkaj\u00ed. Od klasick\u00fdch velik\u00e1n\u016f \u2013 Bitcoinu, Litecoinu \u010di … More<\/a>","datePublished":"2025-03-01","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.kofare.cz\/author\/#Person","name":"kofare.cz\n","url":"https:\/\/www.kofare.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6808215d501bdbb001ef3734be3cdad1be23596de78c590ed2ac5868fce74c95?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6808215d501bdbb001ef3734be3cdad1be23596de78c590ed2ac5868fce74c95?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"kofare.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.kofare.cz\/wp-content\/uploads\/img_a310536_w1908_t1521478042.jpg","url":"https:\/\/www.kofare.cz\/wp-content\/uploads\/img_a310536_w1908_t1521478042.jpg","height":0,"width":0},"url":"https:\/\/www.kofare.cz\/iota-technologie-budoucnosti\/","about":["Web"],"wordCount":504,"articleBody":"U\u017e od roku 2014 \u0159e\u0161\u00ed mnoho probl\u00e9m\u016f, s nimi\u017e se ostatn\u00ed kryptom\u011bny pot\u00fdkaj\u00ed. Od klasick\u00fdch velik\u00e1n\u016f \u2013 Bitcoinu, Litecoinu \u010di Etherea, se p\u0159itom podstatn\u011b odli\u0161uje. Nen\u00ed toti\u017e zalo\u017eena na blockchainu, ale funguje d\u00edky technologii ozna\u010dovan\u00e9 jako tangle.\u00a0Co tedy IOTA p\u0159inesla a \u010d\u00edm se od majority ostatn\u00edch li\u0161\u00ed?\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Net\u011b\u017e\u00ed se \u00a0Blockchain stav\u00ed na t\u011b\u017ea\u0159\u00edch s v\u00fdpo\u010detn\u00ed technikou, kte\u0159\u00ed validuj\u00ed transakce prost\u0159ednictv\u00edm synchronizovan\u00e9 peer-to-peer s\u00edt\u011b a t\u011b\u017e\u00ed mal\u00e9 \u010d\u00e1sti dan\u00e9 m\u011bny. Tento komplexn\u00ed mechanismus t\u011b\u017eby, odm\u011b\u0148ov\u00e1n\u00ed a validace je z\u00e1kladn\u00edm principem v\u011bt\u0161iny kryptom\u011bn. V\u0161echny IOTA v\u0161ak ji\u017e byly vytvo\u0159eny (p\u0159edt\u011b\u017eeny).\u00a0Transakce p\u0159itom v\u00a0r\u00e1mci IOTA funguj\u00ed jednodu\u0161e. Pokud chce u\u017eivatel prov\u00e9st transakci, mus\u00ed verifikovat dv\u011b p\u0159ede\u0161l\u00e9 (prost\u0159ednictv\u00edm proof of work). Nikdo nedostane odm\u011bnu a nikdo nemus\u00ed platit transak\u010dn\u00ed poplatky. T\u00edmto syst\u00e9mem se sou\u010dasn\u011b vyh\u00fdb\u00e1 centralizaci a proof of work chr\u00e1n\u00ed s\u00ed\u0165 p\u0159ed spamov\u00fdmi \u00fatoky.\u00a0Rychlost transakce nav\u00edc nar\u016fst\u00e1 s\u00a0po\u010dtem u\u017eivatel\u016f. Co\u017e je p\u0159esn\u00fd opak technologie blockchainu.\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u017d\u00e1dn\u00e9 poplatky\u00a0Vzhledem k tomu, \u017ee na uskute\u010dn\u011bn\u00ed transakce vynalo\u017e\u00edte pouze v\u00fdpo\u010detn\u00ed energii, jej\u00ed n\u00e1klady jsou rovny prost\u0159edk\u016fm nutn\u00fdch k ov\u011b\u0159en\u00ed dvou p\u0159edchoz\u00edch transakc\u00ed. Nej\u010dast\u011bji tedy cen\u011b elekt\u0159iny a p\u0159\u00edpadn\u011b amortizaci za\u0159\u00edzen\u00ed.\u00a0Neexistence poplatk\u016f je pro funkci IOTA zcela z\u00e1sadn\u00ed. Jsou tak umo\u017en\u011bny bleskov\u00e9 mikrotransakce mezi za\u0159\u00edzen\u00edmi. Jak\u00e9koli poplatky, \u00fa\u010dtovan\u00e9 za tak mal\u00e9 \u010d\u00e1stky, by \u010dinily mikroplatby nerealizovateln\u00e9. Jako prvn\u00ed pou\u017eiteln\u00e1 technologie, kter\u00e1 umo\u017e\u0148uje skute\u010dn\u00e9 nano platby, je opravdu novinkou.\u00a0\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Curl\u00a0Curl byla vlastn\u00ed tern\u00e1rn\u00ed \u0161ifrovac\u00ed funkce, kter\u00e1 byla v\u00a0r\u00e1mci IOTA pou\u017e\u00edv\u00e1na v\u0161ude, kde byla pot\u0159eba hashovac\u00ed funkce. Zaveden\u00ed nov\u00e9ho, nedostate\u010dn\u011b analyzovan\u00e9ho \u0161ifrovac\u00edho algoritmu, je v\u017edy riskantn\u00ed krok. Nakonec se uk\u00e1zalo, \u017ee curl je \u201enejist\u00fd\u201c a v d\u016fsledku toho musel b\u00fdt algoritmus odvozen\u00ed kl\u00ed\u010d\u016f zm\u011bn\u011bn na konzervativn\u011bj\u0161\u00ed keccak (SHA-3).\u00a0Ka\u017ed\u00e1 teoretick\u00e1 v\u00fdhoda, kterou tento tern\u00e1rn\u00ed syst\u00e9m m\u016f\u017ee p\u0159in\u00e9st, je anulov\u00e1na desetilet\u00edmi investic do zdokonalov\u00e1n\u00ed bin\u00e1rn\u00edch po\u010d\u00edta\u010d\u016f, softwaru a algoritm\u016f.Tato problematika v\u0161ak st\u00e1le vyvol\u00e1v\u00e1 diskuze. T\u00fdm IOTA inkorporoval n\u011bkter\u00e9 \u00fapravy kryptografie, kter\u00e9 znemo\u017e\u0148uj\u00ed p\u0159\u00edpadn\u00e9 probl\u00e9my s bezpe\u010dnost\u00ed.\u00a0Zm\u00edn\u011bn\u00e1 technologie je st\u00e1le relativn\u011b nov\u00e1 a a\u010dkoli ji v sou\u010dasnosti m\u016f\u017eeme pova\u017eovat sp\u00ed\u0161e za investi\u010dn\u00ed p\u0159\u00edle\u017eitost, IOTA se brzy m\u016f\u017ee st\u00e1t \u010d\u00e1st\u00ed na\u0161eho ka\u017edodenn\u00edho \u017eivota.\u00a0Nejen na z\u00e1klad\u011b v\u00fd\u0161e uveden\u00e9ho se domn\u00edv\u00e1m, \u017ee IOTA bude v\u00fdchodiskem pro alternativn\u00ed generaci kryptom\u011bn. Pokud se osv\u011bd\u010d\u00ed, m\u016f\u017ee b\u00fdt technologie tangle (DAG) \u017eivotaschopn\u00fdm konkurentem blockchainu. 4.6\/5 - (8 votes) "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"IOTA: technologie budoucnosti?","item":"https:\/\/www.kofare.cz\/iota-technologie-budoucnosti\/#breadcrumbitem"}]}]