[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bornet.sk\/odkial-sa-vzal-a-ako-to-funguje\/#Article","mainEntityOfPage":"https:\/\/www.bornet.sk\/odkial-sa-vzal-a-ako-to-funguje\/","headline":"Odkia\u013e sa vzal a ako to funguje ?","name":"Odkia\u013e sa vzal a ako to funguje ?","description":"\u010co je Bitcoin? Bitcoin je digit\u00e1lna mena. Je to n\u00e1zov pre platformu, v\u010faka ktorej je tato mena vytvoren\u00e1. Bola vytvoren\u00e1 v\u00a0roku 2008 program\u00e1torom Satoshi Najamoto. … ","datePublished":"2017-11-18","dateModified":"2024-02-20","author":{"@type":"Person","@id":"https:\/\/www.bornet.sk\/author\/#Person","name":"","url":"https:\/\/www.bornet.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/69bd9b72104e3ccfb6214cbd23cb226f96c6ecf33a2a351fa1d4682235118df3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/69bd9b72104e3ccfb6214cbd23cb226f96c6ecf33a2a351fa1d4682235118df3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bornet.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bornet.sk\/wp-content\/uploads\/img_a284468_w16472_t1516298659.jpg","url":"https:\/\/www.bornet.sk\/wp-content\/uploads\/img_a284468_w16472_t1516298659.jpg","height":0,"width":0},"url":"https:\/\/www.bornet.sk\/odkial-sa-vzal-a-ako-to-funguje\/","wordCount":392,"articleBody":"\u010co je Bitcoin?Bitcoin je digit\u00e1lna mena. Je to n\u00e1zov pre platformu, v\u010faka ktorej je tato mena vytvoren\u00e1. Bola vytvoren\u00e1 v\u00a0roku 2008 program\u00e1torom Satoshi Najamoto.K\u00a0jej vytvoreniu sl\u00fa\u017ei P2P sie\u0165 v\u00a0ktorej u\u017e\u00edvatelia potvrdzuj\u00fa svoje transakcie. Tento syst\u00e9m zais\u0165uje, \u017ee ka\u017ed\u00fd m\u00f4\u017ee utrati\u0165 len tie bitcoiny ktor\u00e9 vlast\u00ed. V\u010faka tomu bitcoiny nie je mo\u017en\u00e9 fal\u0161ova\u0165, preto\u017ee sie\u0165 overuje jedine\u010dnos\u0165 ka\u017edej platobnej oper\u00e1cie.Ako to cel\u00e9 funguje?Cel\u00e1 komunik\u00e1cia a\u00a0\u010dinnos\u0165 funguje v\u00a0jednej obrovskej sieti P2P, ku ktorej s\u00fa pripojen\u00fd nie len pou\u017e\u00edvatelia ale aj t\u00ed, \u010do bitcoiny takzvane \u0165a\u017eia.\u0164a\u017eba bitcoinu\u0164a\u017eb\u00e1ri s\u00fa t\u00ed, v\u010faka ktor\u00fdm to v\u0161etko funguje. Ak niekomu posielate, alebo od niekoho prij\u00edmate bitcoiny, mus\u00ed t\u00fato transakciu niekto potvrdi\u0165. Sie\u0165ou prebiehaj\u00fa ka\u017ed\u00fa hodinou stovky a\u017e tis\u00edce transakci\u00ed, ktor\u00e9 sa zahrnuj\u00fa do takzvan\u00fdch blokov.K\u00a0\u0165a\u017ebe bitcoinu sa vyu\u017e\u00edva \u0161peci\u00e1lny hardware. V\u00a0roku 2013 to boli hlavne grafick\u00e9 karty, teraz je to hlavne z\u00e1le\u017eitos\u0165 ASIC \u010dipov, v\u010faka ktor\u00fdm sa nielen neuverite\u013ene zvy\u0161uje v\u00fdkon potrebn\u00fd pre bitcoin mining v\u00fdpo\u010dty, ale taktie\u017e sa tomu \u00famerne zvy\u0161uje aj zlo\u017eitos\u0165 celej siete.U\u017e\u00edvatelia\u00a0 S\u00fa \u013eudia, ktor\u00fd si medzi sebou posielaj\u00fa bitcoiny, alebo s\u00a0nimi nie\u010do platia. Koncov\u00fd u\u017e\u00edvate\u013e m\u00e1 v\u00a0po\u010d\u00edta\u010di pr\u00edpadne mobile on-line pe\u0148a\u017eenku, kde si m\u00f4\u017ee vytvori\u0165 neobmedzen\u00e9 mno\u017estvo adries po odch\u00e1dzaj\u00facich a\u00a0prich\u00e1dzaj\u00facich platb\u00e1ch. V\u00a0z\u00e1kladnej verzii bitcoinov\u00e9 pe\u0148a\u017eenky sa taktie\u017e udr\u017euje datab\u00e1za \u2013 hist\u00f3ria v\u0161etk\u00fdch transakci\u00ed v\u00a0celej sieti, jednoduch\u00e9 pe\u0148a\u017eenky udr\u017euj\u00fa len \u010das\u0165 datab\u00e1zy. Ka\u017ed\u00fd u\u017e\u00edvate\u013e si m\u00f4\u017ee vytvori\u0165 viac adries a\u00a0taktie\u017e viac pe\u0148a\u017eeniek. Prakticky najbezpe\u010dnej\u0161\u00edm rie\u0161en\u00edm s\u00fa hardwarov\u00e9 pe\u0148a\u017eenky.Okrem bitcoinov vznikaj\u00fa aj \u010fal\u0161ie virtu\u00e1lne meny, medzi najzn\u00e1mej\u0161ie patria litecoin, namecoin, dogecoin a\u00a0nieko\u013eko desiatok \u010fal\u0161\u00edch. V\u00e4\u010d\u0161ina z\u00a0nich s\u00fa klony bitcoinov, vyu\u017e\u00edvaj\u00fa vo\u013ene pr\u00edstupn\u00fd zdrojov\u00fd k\u00f3d. L\u00ed\u0161ia sa po\u010dtom potenci\u00e1lne vy\u0165a\u017een\u00fdch minc\u00ed, r\u00fdchlos\u0165ou potvrdenia a\u00a0\u010fal\u0161\u00edmi vlastnos\u0165ami.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Odkia\u013e sa vzal a ako to funguje ?","item":"https:\/\/www.bornet.sk\/odkial-sa-vzal-a-ako-to-funguje\/#breadcrumbitem"}]}]