{"id":5325,"date":"2025-12-01T14:01:31","date_gmt":"2025-12-01T14:01:31","guid":{"rendered":"https:\/\/cryptonews.com\/cz\/?post_type=academy&#038;p=5325\/"},"modified":"2025-12-01T14:01:41","modified_gmt":"2025-12-01T14:01:41","slug":"co-je-proof-of-history","status":"publish","type":"academy","link":"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-history\/","title":{"rendered":"Co je Proof of History? Kompletn\u00ed pr\u016fvodce unik\u00e1tn\u00edm konsenzem Solana"},"content":{"rendered":"<p><b>Proof of History (PoH)<\/b><span style=\"font-weight: 400\"> je mechanismus, kter\u00fd <\/span><b>na blockchainu <\/b><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-solana\/\"><b>Solana<\/b><\/a><b> slou\u017e\u00ed jako intern\u00ed \u010dasov\u00e1 reference<\/b><span style=\"font-weight: 400\">. Vytv\u00e1\u0159\u00ed \u0159et\u011bzec propojen\u00fdch ud\u00e1lost\u00ed pomoc\u00ed hashovac\u00ed funkce, \u010d\u00edm\u017e vznik\u00e1 kryptografick\u00e1 \u010dasov\u00e1 osa. Tato <strong>o<\/strong><\/span><b>v\u011b\u0159iteln\u00e1 \u010dasov\u00e1 osa umo\u017e\u0148uje s\u00edti p\u0159esn\u011b ur\u010dit po\u0159ad\u00ed transakc\u00ed<\/b><span style=\"font-weight: 400\">, ani\u017e by pot\u0159ebovala extern\u00ed \u010dasov\u00e9 zdroje nebo slo\u017eitou synchronizaci mezi valid\u00e1tory.<\/span><\/p><p><b>Technologie byla p\u0159edstavena v roce 2017 <\/b><span style=\"font-weight: 400\">zakladatelem Solany,<\/span><b> Anatolym Yakovenkem<\/b><span style=\"font-weight: 400\">. Jeho c\u00edlem bylo \u0159e\u0161en\u00ed probl\u00e9mu, kter\u00fd dlouhodob\u011b brzdil v\u00fdkonnost <\/span><a href=\"https:\/\/cryptonews.com\/cz\/academy\/co-je-to-blockchain\/\"><span style=\"font-weight: 400\">blockchain\u016f<\/span><\/a><span style=\"font-weight: 400\">:<\/span><b> nutnost ur\u010dit, v jak\u00e9m po\u0159ad\u00ed se ud\u00e1losti staly<\/b><span style=\"font-weight: 400\">. Yakovenkova my\u0161lenka spo\u010d\u00edvala v tom, aby se \u010das stal p\u0159\u00edmo sou\u010d\u00e1st\u00ed samotn\u00e9ho ledgeru, a t\u00edm se odstranilo zdr\u017een\u00ed vypl\u00fdvaj\u00edc\u00ed z koordinace mezi uzly. <\/span><\/p><p><span style=\"font-weight: 400\">Tato inovace dnes pat\u0159\u00ed k z\u00e1kladn\u00edm faktor\u016fm, d\u00edky kter\u00fdm Solana zvl\u00e1d\u00e1 extr\u00e9mn\u011b rychl\u00e9 zpracov\u00e1n\u00ed transakc\u00ed. V tomto \u010dl\u00e1nku si vysv\u011btl\u00edme <\/span><b>co je Proof of History, jak funguje, pro\u010d je pro Solanu tak z\u00e1sadn\u00ed i jak\u00e9 m\u00e1 v\u00fdhody a nev\u00fdhody<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<h2><span style=\"font-weight: 400\">Kl\u00ed\u010dov\u00e9 body<\/span><\/h2>\n<p><span class=\"replacer\"><\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Proof of History (PoH) je mechanismus Solany pro tvorbu kryptografick\u00e9 \u010dasov\u00e9 osy, kter\u00e1 ur\u010duje po\u0159ad\u00ed transakc\u00ed bez extern\u00edho zdroj\u016f dat.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Nejde o konsenzusn\u00ed algoritmus. PoH funguje jako zdroj \u010dasu, kter\u00fd urychluje konsenzus Proof of Stake.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Koncept byl p\u0159edstaven Anatolym Yakovenkem v roce 2017, kdy hledal zp\u016fsob, jak odstranit probl\u00e9my s \u010dasovou koordinac\u00ed v distribuovan\u00fdch syst\u00e9mech.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">PoH je zalo\u017een\u00fd na nep\u0159etr\u017eit\u00e9m pou\u017e\u00edv\u00e1n\u00ed SHA-256, kdy ka\u017ed\u00fd hash vych\u00e1z\u00ed z p\u0159edchoz\u00edho, co\u017e dokazuje, \u017ee mezit\u00edm uplynul \u010das.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Valid\u00e1to\u0159i mohou snadno um\u00edstit nov\u00e9 ud\u00e1losti na p\u0159esn\u00e9 m\u00edsto v \u010dasov\u00e9 ose a jednozna\u010dn\u011b tak ur\u010dit jejich po\u0159ad\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Solana kombinuje PoH s PoS, Tower BFT, Gulf Streamem a Sealevelem, co\u017e dohromady vytv\u00e1\u0159\u00ed z\u00e1klad jej\u00ed vysok\u00e9 propustnosti.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">D\u00edky t\u00e9to architektu\u0159e s\u00ed\u0165 zpracov\u00e1v\u00e1 typicky 2 000 a\u017e 5 000 transakc\u00ed za sekundu s rychl\u00fdm vypo\u0159\u00e1d\u00e1n\u00edm a minim\u00e1ln\u00edmi poplatky.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">PoH je obzvl\u00e1\u0161\u0165 d\u016fle\u017eit\u00fd pro rychl\u00e9 aplikace, jako jsou decentralizovan\u00e9 burzy, <a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-nft\/\">NFT<\/a> nebo real-time syst\u00e9my.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Dal\u0161\u00ed v\u00fdvoj technologie bude z\u00e1viset na stabilit\u011b Solany a na tom, zda se mechanismus roz\u0161\u00ed\u0159\u00ed i do jin\u00fdch blockchain\u016f.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/div><\/span><\/p><h2><span style=\"font-weight: 400\">Co p\u0159esn\u011b znamen\u00e1 Proof of History?<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof of History je kryptografick\u00e1 metoda, kter\u00e1 umo\u017e\u0148uje blockchainu <\/span><b>vytv\u00e1\u0159et prokazateln\u00fd sled ud\u00e1lost\u00ed bez z\u00e1vislosti na extern\u00edch \u010dasov\u00fdch zdroj\u00edch<\/b><span style=\"font-weight: 400\">. Ka\u017ed\u00e1 ud\u00e1lost z\u00edsk\u00e1v\u00e1 sv\u016fj vlastn\u00ed hash, kter\u00fd se za\u010dle\u0148uje do sekvence p\u0159edchoz\u00edch v\u00fdpo\u010dt\u016f. D\u00edky tomuto \u0159et\u011bzen\u00ed je mo\u017en\u00e9 <\/span><b>ov\u011b\u0159it p\u0159esn\u00e9 po\u0159ad\u00ed, ve kter\u00e9m transakce nastaly<\/b><span style=\"font-weight: 400\">.<\/span><\/p><figure id=\"attachment_5331\" aria-describedby=\"caption-attachment-5331\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5331\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized.webp\" alt=\"Vizualizace Proof of History v s\u00edti Solana\" width=\"1200\" height=\"768\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized.webp 1200w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized-300x192.webp 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized-1024x655.webp 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized-768x492.webp 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized-450x288.webp 450w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\"><figcaption id=\"caption-attachment-5331\" class=\"wp-caption-text\">Vizualizace Proof of History v s\u00edti Solana<\/figcaption><\/figure><p><span style=\"font-weight: 400\">Solana byla prvn\u00edm blockchainem, kter\u00fd tento mechanismus implementoval. PoH vy\u0159e\u0161il probl\u00e9m, kter\u00fd v distribuovan\u00fdch syst\u00e9mech tr\u00e1p\u00ed v\u00fdvoj\u00e1\u0159e roky \u2014<\/span><b> jak ur\u010dit po\u0159ad\u00ed event\u016f bez zpomalen\u00ed b\u011bhu s\u00edt\u011b<\/b><span style=\"font-weight: 400\">. D\u00edky PoH m\u016f\u017ee tato s\u00ed\u0165 zpracov\u00e1vat transakce <\/span><b>v\u00fdrazn\u011b rychleji a efektivn\u011bji<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">Kdo st\u00e1l za vznikem Proof of History?<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Autorem Proof of History je Anatoly Yakovenko, zakladatel Solany. <\/span><b>V roce 2017 zve\u0159ejnil <\/b><a href=\"https:\/\/solana.com\/solana-whitepaper.pdf\"><b>whitepaper<\/b><\/a><span style=\"font-weight: 400\">, ve kter\u00e9m p\u0159edstavil koncept kryptografick\u00e9ho \u010dasov\u00e9ho syst\u00e9mu pro blockchain. <\/span><\/p><p><span style=\"font-weight: 400\">Yakovenko pracoval mnoho let v <\/span><b>Qualcommu<\/b><span style=\"font-weight: 400\">, kde se v\u011bnoval distribuovan\u00fdm syst\u00e9m\u016fm a synchronizaci \u010dasu. D\u00edky t\u011bmto zku\u0161enostem p\u0159i\u0161el s my\u0161lenkou, \u017ee <\/span><b>pokud bude blockchain v\u011b\u0159it vlastn\u00edmu \u010dasov\u00e9mu otisku, m\u016f\u017ee dos\u00e1hnout rychlost\u00ed, kter\u00e9 doposud nebyly mo\u017en\u00e9<\/b><span style=\"font-weight: 400\">.<\/span><\/p><figure id=\"attachment_5332\" aria-describedby=\"caption-attachment-5332\" style=\"width: 1216px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5332 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\u00davodn\u00ed str\u00e1nka whitepaperu Solany s popisem Proof of History. Zdroj: solana.com\" width=\"1216\" height=\"856\" sizes=\"auto, (max-width: 1216px) 100vw, 1216px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1.jpg 1216w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1-300x211.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1-1024x721.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1-768x541.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122027\/1764332427-1-450x317.jpg 450w\"><figcaption id=\"caption-attachment-5332\" class=\"wp-caption-text\">\u00davodn\u00ed str\u00e1nka whitepaperu Solany s popisem Proof of History. Zdroj: solana.com<\/figcaption><\/figure><h2><span style=\"font-weight: 400\">Jak Proof of History technicky funguje?<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<b>PoH je zalo\u017een\u00fd na nep\u0159etr\u017eit\u00e9m generov\u00e1n\u00ed hash\u016f pomoc\u00ed SHA-256<\/b><span style=\"font-weight: 400\">. Ka\u017ed\u00fd nov\u00fd v\u00fdsledek navazuje na p\u0159edchoz\u00ed, co\u017e vytv\u00e1\u0159\u00ed<\/span><b> sekvenci, kter\u00e1 dokazuje, \u017ee mezi jednotliv\u00fdmi kroky ub\u011bhl \u010das<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">Tato nep\u0159eru\u0161en\u00e1 sekvence hash\u016f funguje jako jak\u00fdsi \u010dasosb\u011br. <\/span><b>V\u00fdpo\u010det ka\u017ed\u00e9ho bloku trv\u00e1 v\u017edy stejn\u011b dlouho a ned\u00e1 se nijak urychlit<\/b><span style=\"font-weight: 400\"> \u2013 ani obrovsk\u00fdm v\u00fdpo\u010detn\u00edm v\u00fdkonem. V\u00fdsledn\u00fd \u0159et\u011bzec hash\u016f tak vytv\u00e1\u0159\u00ed jak\u00e9si <\/span><b>bezpe\u010dn\u00e9, nik\u00fdm neovlivniteln\u00e9 hodiny p\u0159\u00edmo na blockchainu<\/b><span style=\"font-weight: 400\">.<\/span><\/p><figure id=\"attachment_5333\" aria-describedby=\"caption-attachment-5333\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5333 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Proces zpracov\u00e1n\u00ed transakce v s\u00edti Solana krok za krokem.\" width=\"1024\" height=\"609\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122102\/1764332462-1753691382-how-solana-works_optimized-1024x609-1.webp\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122102\/1764332462-1753691382-how-solana-works_optimized-1024x609-1.webp 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122102\/1764332462-1753691382-how-solana-works_optimized-1024x609-1-300x178.webp 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122102\/1764332462-1753691382-how-solana-works_optimized-1024x609-1-768x457.webp 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28122102\/1764332462-1753691382-how-solana-works_optimized-1024x609-1-450x268.webp 450w\"><figcaption id=\"caption-attachment-5333\" class=\"wp-caption-text\">Proces zpracov\u00e1n\u00ed transakce v s\u00edti Solana krok za krokem.<\/figcaption><\/figure><p><span style=\"font-weight: 400\">PoH umo\u017e\u0148uje Solan\u011b <\/span><b>uspo\u0159\u00e1dat transakce je\u0161t\u011b p\u0159ed samotn\u00fdm konsenzem<\/b><span style=\"font-weight: 400\">. Valid\u00e1to\u0159i jsou pak v\u00fdrazn\u011b m\u00e9n\u011b zat\u00ed\u017een\u00ed, cel\u00e9 ov\u011b\u0159ov\u00e1n\u00ed prob\u00edh\u00e1 rychleji a s\u00ed\u0165 tak dok\u00e1\u017ee dr\u017eet <\/span><b>bloky pod jednou sekundou<\/b><span style=\"font-weight: 400\"> a zvl\u00e1dnout <strong>obrovsk\u00e9 mno\u017estv\u00ed transakc\u00ed sou\u010dasn\u011b<\/strong>.<\/span><\/p><h2><span style=\"font-weight: 400\">Uk\u00e1zkov\u00fd p\u0159\u00edklad fungov\u00e1n\u00ed Proof of History<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">P\u0159edstavme si situaci, kdy<\/span><b> u\u017eivatel prov\u00e1d\u00ed obchod na decentralizovan\u00e9 burze b\u011b\u017e\u00edc\u00ed na Solan\u011b<\/b><span style=\"font-weight: 400\">. <\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Kdy\u017e zad\u00e1 obchod, s\u00ed\u0165 p\u0159ijme po\u017eadavek na sm\u011bnu tokenu A za token B. <\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Ne\u017e se za\u010dne cokoliv zpracov\u00e1vat, transakce se za\u0159ad\u00ed do sekvence Proof of History \u2013 tedy do nep\u0159eru\u0161en\u00e9ho \u0159et\u011bzce SHA-256 hash\u016f.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">T\u00edm z\u00edsk\u00e1 specifickou \u010dasovou zna\u010dku, kter\u00e1 jasn\u011b ur\u010d\u00ed jej\u00ed pozici vzhledem k ostatn\u00edm ud\u00e1lostem.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Valid\u00e1to\u0159i potom nemus\u00ed \u0159e\u0161it, kter\u00e9 transakce maj\u00ed prioritu \u2013 PoH jim u\u017e p\u0159edem p\u0159iprav\u00ed jejich spr\u00e1vn\u00e9 po\u0159ad\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">N\u00e1sledn\u011b do hry vstupuje Proof of Stake s Tower BFT, kter\u00fd potvrzuje a finalizuje bloky.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">V\u00fdsledkem je fin\u00e1ln\u00ed potvrzen\u00ed obchodu b\u011bhem zlomku sekundy a p\u0159ips\u00e1n\u00ed tokenu B. <\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">Ve srovn\u00e1n\u00ed s tradi\u010dn\u00edmi blockchainy cel\u00fd postup vy\u017eaduje<\/span><b> m\u00e9n\u011b krok\u016f, m\u00e9n\u011b koordinace a o dost m\u00e9n\u011b \u010dek\u00e1n\u00ed<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">Jak Solana kombinuje Proof of Stake a Proof of History<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Solana nepou\u017e\u00edv\u00e1 Proof of History jako mechanismus konsenzu. <\/span><b>PoH slou\u017e\u00ed jako z\u00e1kladn\u00ed \u010dasov\u00e1 reference, na kter\u00e9 potom Proof of Stake stav\u00ed bezpe\u010dnost a finalitu<\/b><span style=\"font-weight: 400\">. Oba syst\u00e9my dohromady vytv\u00e1\u0159ej\u00ed <\/span><b>hybridn\u00ed model<\/b><span style=\"font-weight: 400\">, kter\u00fd s\u00ed\u0165 udr\u017euje extr\u00e9mn\u011b rychlou.<\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p><span style=\"font-weight: 400\">Takto cel\u00fd syst\u00e9m zapad\u00e1 do sebe:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Proof of History<\/b><span style=\"font-weight: 400\"> d\u00e1v\u00e1 ka\u017ed\u00e9 ud\u00e1losti jednozna\u010dn\u00e9 kryptografick\u00e9 \u010dasov\u00e9 raz\u00edtko, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed spojitou a ov\u011b\u0159itelnou \u010dasovou stopu v\u0161ech transakc\u00ed. <\/span><\/li>\n<li style=\"font-weight: 400\"><b>Tower BFT<\/b><span style=\"font-weight: 400\">, vylad\u011bn\u00e1 verze <\/span><span style=\"font-weight: 400\">Practical Byzantine Fault Tolerance<\/span><span style=\"font-weight: 400\">, pak tato raz\u00edtka vyu\u017e\u00edv\u00e1 p\u0159i finalizaci blok\u016f. M\u016f\u017ee tak pracovat velmi rychle, proto\u017ee se u\u017e nemus\u00ed zab\u00fdvat ur\u010dov\u00e1n\u00edm po\u0159ad\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Gulf Stream<\/b><span style=\"font-weight: 400\"> doru\u010duje transakce valid\u00e1tor\u016fm je\u0161t\u011b p\u0159edt\u00edm, ne\u017e se dostanou do blok\u016f, tak\u017ee s\u00ed\u0165 prakticky nemus\u00ed udr\u017eovat mempool a zvl\u00e1dne zpracovat mnohem v\u00edc po\u017eadavk\u016f najednou. <\/span><\/li>\n<li style=\"font-weight: 400\"><b>Turbine<\/b><span style=\"font-weight: 400\"> n\u00e1sledn\u011b rozd\u011bluje data na mal\u00e9 packety, co\u017e v\u00fdznamn\u011b pom\u00e1h\u00e1 \u0161k\u00e1lov\u00e1n\u00ed cel\u00e9 s\u00edt\u011b.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Sealevel<\/b><span style=\"font-weight: 400\"> umo\u017e\u0148uje smart kontrakt\u016fm b\u011b\u017eet paraleln\u011b, m\u00edsto postupn\u011b. Pr\u00e1v\u011b tato paralelizace je jedn\u00edm z kl\u00ed\u010dov\u00fdch d\u016fvod\u016f, pro\u010d m\u00e1 Solana tak vysokou propustnost.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/div><\/span><\/p><p><b>Dohromady tvo\u0159\u00ed velmi efektivn\u00ed infrastrukturu<\/b><span style=\"font-weight: 400\">, d\u00edky n\u00ed\u017e Solana dosahuje <\/span><b>n\u00edzk\u00e9 latence a vysok\u00e9 propustnosti<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h3><span style=\"font-weight: 400\">Po\u017eadavky na hardware pro valid\u00e1tory<\/span><\/h3><p><span style=\"font-weight: 400\">Solana dok\u00e1\u017ee dosahovat mimo\u0159\u00e1dn\u011b vysok\u00e9 rychlosti, ale <\/span><b>nen\u00ed to zadarmo<\/b><span style=\"font-weight: 400\">. Pokud byste cht\u011bli provozovat<\/span><b> vlastn\u00ed valida\u010dn\u00ed uzel<\/b><span style=\"font-weight: 400\">, p\u0159ipravte se na to, \u017ee budete pot\u0159ebovat opravdu v\u00fdkonnou sestavu. S\u00ed\u0165 zpracov\u00e1v\u00e1 obrovsk\u00e9 mno\u017estv\u00ed dat paraleln\u011b a <\/span><b>hardware mus\u00ed tento n\u00e1por zvl\u00e1dnout bez zpomalen\u00ed<\/b><span style=\"font-weight: 400\">. <\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p><span style=\"font-weight: 400\">N\u00ed\u017ee je <\/span><b>souhrn po\u017eadavk\u016f, kter\u00e9 mus\u00ed v\u00e1\u0161 hardware splnit<\/b><span style=\"font-weight: 400\">.<\/span><\/p>\n<div class=\"su-table su-table-alternate\">\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td><b>Doporu\u010den\u00e9 minimum<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>CPU<\/b><\/td>\n<td><span style=\"font-weight: 400\">12 jader \/ 24 vl\u00e1ken, 2,8 GHz+<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>RAM<\/b><\/td>\n<td><span style=\"font-weight: 400\">128 GB<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u00dalo\u017ei\u0161t\u011b<\/b><\/td>\n<td><span style=\"font-weight: 400\">2 TB NVMe SSD (PCIe Gen4)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>S\u00ed\u0165<\/b><\/td>\n<td><span style=\"font-weight: 400\">1 Gbps upload\/download<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>GPU (voliteln\u00e9)<\/b><\/td>\n<td><span style=\"font-weight: 400\">N\u011bkter\u00e9 performance tools podporuj\u00ed GPU<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/div><\/span><\/p><h2><span style=\"font-weight: 400\">Proof of History ve srovn\u00e1n\u00ed s Proof of Stake a Proof of Work<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Pro spr\u00e1vn\u00e9 fungov\u00e1n\u00ed blockchainu jsou pot\u0159eba dv\u011b v\u011bci: <\/span><\/p><ul>\n<li style=\"font-weight: 400\"><b>Bezpe\u010dnost<\/b><span style=\"font-weight: 400\"> \u2013 tedy kdo sm\u00ed zapisovat bloky a zda je mo\u017en\u00e9 t\u011bmto \u00fa\u010dastn\u00edk\u016fm v\u011b\u0159it.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Spr\u00e1vn\u00e9 po\u0159ad\u00ed ud\u00e1lost\u00ed<\/b><span style=\"font-weight: 400\"> \u2013 kdy p\u0159esn\u011b se co stalo a v jak\u00e9 sekvenci.<\/span><\/li>\n<\/ul><p><a href=\"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-stake\/\"><b>Proof of Stake<\/b><\/a><b> (PoS) i Proof of Work (PoW) \u0159e\u0161\u00ed p\u0159edev\u0161\u00edm bezpe\u010dnost<\/b><span style=\"font-weight: 400\">. Proof of History funguje sp\u00ed\u0161e jako <\/span><b>kryptografick\u00e9 hodiny<\/b><span style=\"font-weight: 400\">, kter\u00e9 cel\u00e9 s\u00edti poskytuj\u00ed d\u016fv\u011bryhodnou \u010dasovou osu.<\/span><\/p><p><span style=\"font-weight: 400\">PoH tedy nen\u00ed konkurenc\u00ed PoS ani PoW \u2014 <\/span><b>naopak je urychluje, kdy\u017e se s nimi spoj\u00ed<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<h3><span style=\"font-weight: 400\">Proof of History vs. Proof of Stake<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\"><b>PoS:<\/b><span style=\"font-weight: 400\"> Ur\u010duje valid\u00e1tory podle po\u010dtu stakovan\u00fdch token\u016f a chr\u00e1n\u00ed s\u00ed\u0165 p\u0159ed Sybil \u00fatoky i ekonomick\u00fdm zneu\u017eit\u00edm.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>PoH:<\/b><span style=\"font-weight: 400\"> Zaji\u0161\u0165uje nep\u0159etr\u017eitou a ov\u011b\u0159itelnou \u010dasovou osu, tak\u017ee valid\u00e1to\u0159i p\u0159esn\u011b v\u011bd\u00ed, kdy jednotliv\u00e9 transakce vznikly.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Solana:<\/b><span style=\"font-weight: 400\"> PoH vytv\u00e1\u0159\u00ed \u010dasov\u00e1 raz\u00edtka, zat\u00edmco Tower BFT (jej\u00ed varianta PoS konsenzu) podle nich potvrzuje bloky.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/div><\/span><\/p><p><span style=\"font-weight: 400\">Na rozd\u00edl od PoS s\u00e1z\u00ed <\/span><a href=\"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-work\/\"><b>Proof of Work<\/b><\/a><span style=\"font-weight: 400\"> (nap\u0159. bitcoin, litecoin, dogecoin) na sout\u011b\u017e t\u011b\u017ea\u0159\u016f, kte\u0159\u00ed mus\u00ed \u0159e\u0161it hashovac\u00ed \u00falohy a b\u00fdt prvn\u00ed, kdo najde dal\u0161\u00ed blok. <\/span><b>Proof of History tento energetick\u00fd z\u00e1vod obch\u00e1z\u00ed a umo\u017e\u0148uje tak mnohem rychlej\u0161\u00ed finalizaci transakc\u00ed<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<h3><span style=\"font-weight: 400\">Proof of History vs. Proof of Work<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400\"><b>PoW:<\/b><span style=\"font-weight: 400\"> Zaji\u0161\u0165uje bezpe\u010dnost pomoc\u00ed energeticky n\u00e1ro\u010dn\u00e9 t\u011b\u017eby (mining). Je to bezpe\u010dn\u00e9, ale pomalej\u0161\u00ed \u0159e\u0161en\u00ed validace blok\u016f.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>PoH:<\/b><span style=\"font-weight: 400\"> \u017d\u00e1dn\u00e1 sout\u011b\u017e mezi t\u011b\u017ea\u0159i neprob\u00edh\u00e1. S\u00ed\u0165 m\u00e1 k dispozici kryptografick\u00e9 hodiny, kter\u00e9 ur\u010duj\u00ed po\u0159ad\u00ed ud\u00e1lost\u00ed p\u0159edem, co\u017e v\u00fdrazn\u011b sni\u017euje pot\u0159ebu koordinace a zrychluje fin\u00e1ln\u00ed potvrzen\u00ed.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/div><\/span><\/p><p><span style=\"font-weight: 400\">Zat\u00edmco PoW poskytuje poskytuje finalitu z\u00e1vislou na mno\u017estv\u00ed vykonan\u00e9 pr\u00e1ce, <\/span><b>modely urychlen\u00e9 Proof of History zvl\u00e1dnou v\u011bt\u0161\u00ed objem dat<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">V\u00fdhody a nev\u00fdhody Proof of History<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof of History v\u00fdrazn\u011b zvy\u0161uje v\u00fdkon Solany, ale<\/span><b> p\u0159in\u00e1\u0161\u00ed s sebou i ur\u010dit\u00e9 kompromisy<\/b><span style=\"font-weight: 400\">. Poj\u010fme si je podrobn\u011bji proj\u00edt.<\/span><\/p><div class=\"su-note\" style=\"border-color:#e0d5e5;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#faefff;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p><span style=\"font-weight: 400\"><div class=\"su-row\"><div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<p><b>Klady<\/b><\/p>\n<p><span style=\"font-weight: 400\"><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> <b>P\u0159edem ur\u010den\u00e9 po\u0159ad\u00ed transakc\u00ed: <\/b><span style=\"font-weight: 400\">Solana p\u0159i\u0159azuje ud\u00e1lostem \u010dasov\u00e1 raz\u00edtka, tak\u017ee s\u00ed\u0165 nemus\u00ed zdlouhav\u011b \u0159e\u0161it, co p\u0159i\u0161lo prvn\u00ed \u2014 to sni\u017euje zpo\u017ed\u011bn\u00ed a zrychluje zpracov\u00e1n\u00ed.<\/span><\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> <b>Obrovsk\u00e1 rychlost: <\/b><span style=\"font-weight: 400\">S\u00ed\u0165 dlouhodob\u011b dosahuje tis\u00edc\u016f transakc\u00ed za sekundu, co\u017e ji \u0159ad\u00ed mezi nejv\u00fdkonn\u011bj\u0161\u00ed blockchainy sou\u010dasnosti.<\/span><\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> <b>N\u00edzk\u00e9 poplatky: <\/b><span style=\"font-weight: 400\">D\u00edky efektivn\u00ed architektu\u0159e z\u016fst\u00e1vaj\u00ed poplatky t\u00e9m\u011b\u0159 zanedbateln\u00e9 i v dob\u011b zv\u00fd\u0161en\u00e9ho provozu.<\/span><\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#77e31f\"><\/i> <b>\u00daspora energie: <\/b><span style=\"font-weight: 400\">PoH nevy\u017eaduje t\u011b\u017eebu jako PoW, tak\u017ee s\u00ed\u0165 funguje s mnohem ni\u017e\u0161\u00ed spot\u0159ebou energie.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/span><\/p><\/div><\/div> <div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<p><b>Z\u00e1pory<\/b><\/p>\n<p><span style=\"font-weight: 400\"><div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> <b>N\u00e1ro\u010dn\u00e9 hardwarov\u00e9 po\u017eadavky: <\/b><span style=\"font-weight: 400\">Provozovat valida\u010dn\u00ed uzel na Solan\u011b znamen\u00e1 m\u00edt v\u00fdkonn\u00fd hardware, co\u017e zvy\u0161uje vstupn\u00ed n\u00e1klady a m\u016f\u017ee omezovat decentralizaci.<\/span><\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> <b>Citlivost na \u010dasov\u00e9 odchylky: <\/b><span style=\"font-weight: 400\">Kdy\u017e se uzly dostanou mimo synchronizaci, jejich n\u00e1vrat do spr\u00e1vn\u00e9ho stavu m\u016f\u017ee b\u00fdt slo\u017eit\u00fd a \u010dasov\u011b n\u00e1ro\u010dn\u00fd.<\/span><\/li>\n<li><i class=\"sui sui-remove\" style=\"color:#e31f28\"><\/i> <b>\u00dazk\u00fd ekosyst\u00e9m: <\/b><span style=\"font-weight: 400\">Proof of History je unik\u00e1tn\u00ed pro Solanu \u2014 jinde se nepou\u017e\u00edv\u00e1. To znamen\u00e1, \u017ee n\u00e1stroje i komunita jsou zat\u00edm zam\u011b\u0159en\u00e9 hlavn\u011b na tento jedin\u00fd projekt.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\"><\/span><\/p><\/div><\/span><\/p><\/div><\/div><\/div><\/span><\/p>\n<\/div><\/div><h2><span style=\"font-weight: 400\">Kde se Proof of History nejv\u00edce vyu\u017e\u00edv\u00e1<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof of History se uplatn\u00ed v\u0161ude tam, kde je kl\u00ed\u010dov\u00e1<\/span><b> rychlost a p\u0159esn\u00e9 po\u0159ad\u00ed transakc\u00ed<\/b><span style=\"font-weight: 400\">. Skv\u011bl\u00fdm p\u0159\u00edkladem jsou <\/span><b>decentralizovan\u00e9 burzy<\/b><span style=\"font-weight: 400\"> typu Serum, kde je pro f\u00e9rov\u00e9 obchodov\u00e1n\u00ed z\u00e1sadn\u00ed okam\u017eit\u011b v\u011bd\u011bt, kter\u00e1 objedn\u00e1vka dorazila jako prvn\u00ed. D\u00edky tomu se minimalizuje frontrunning.<\/span><\/p><p><span style=\"font-weight: 400\">Stejn\u00fd princip se osv\u011bd\u010duje i <\/span><b>p\u0159i mintingu <\/b><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-nft\/\"><b>NFT<\/b><\/a><b>, kdy se do procesu zapoj\u00ed tis\u00edce u\u017eivatel\u016f sou\u010dasn\u011b<\/b><span style=\"font-weight: 400\">. Proof of History pom\u00e1h\u00e1 udr\u017eet s\u00ed\u0165 stabiln\u00ed i v extr\u00e9mn\u00edch \u0161pi\u010dk\u00e1ch. <\/span><\/p><p><span style=\"font-weight: 400\">Ale nejde jen o trading nebo NFT.<\/span><\/p><p><b>V oblastech jako IoT, hern\u00ed projekty nebo decentralizovan\u00e9 fyzick\u00e9 infrastruktury (nap\u0159. DePIN) m\u016f\u017ee i nepatrn\u00e9 zpo\u017ed\u011bn\u00ed v\u00fdrazn\u011b naru\u0161it funk\u010dnost.<\/b><span style=\"font-weight: 400\"> Solana d\u00edky p\u0159esn\u00e9mu \u010dasov\u00e1n\u00ed udr\u017euje v\u0161echny procesy slad\u011bn\u00e9. Dokonce i profesion\u00e1ln\u00ed tradingov\u00e9 firmy, jako je <\/span><a href=\"https:\/\/jumpcrypto.com\/\"><b>Jump Crypto<\/b><\/a><span style=\"font-weight: 400\">, vyu\u017e\u00edvaj\u00ed tuto vlastnost k <\/span><b>vysokorychlostn\u00edm strategi\u00edm<\/b><span style=\"font-weight: 400\">, na pomalej\u0161\u00edch \u0159et\u011bzc\u00edch by v\u016fbec nefungovaly.<\/span><\/p><p><span style=\"font-weight: 400\">Proto\u017ee PoH ur\u010d\u00ed po\u0159ad\u00ed ud\u00e1lost\u00ed je\u0161t\u011b p\u0159ed samotn\u00fdm zpracov\u00e1n\u00edm, <\/span><b>dok\u00e1\u017ee Solana zvl\u00e1dat i extr\u00e9mn\u00ed z\u00e1t\u011b\u017e bez jak\u00e9hokoli zpomalen\u00ed<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">Budoucnost Proof of History a postaven\u00ed mezi konkurenc\u00ed<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof of History je st\u00e1le unik\u00e1tn\u00ed technologie, kterou vyu\u017e\u00edv\u00e1 prim\u00e1rn\u011b Solana. N\u011bkter\u00e9 nov\u00e9 projekty experimentuj\u00ed s podobn\u00fdmi mechanismy, ale <\/span><b>\u017e\u00e1dn\u00fd jin\u00fd velk\u00fd blockchain neimplementoval PoH v pln\u00e9m rozsahu<\/b><span style=\"font-weight: 400\">. <\/span><\/p><p><span style=\"font-weight: 400\">Budoucnost PoH tedy bude z\u00e1viset zejm\u00e9na na tom,<\/span><b> zda se koncept roz\u0161\u00ed\u0159\u00ed mimo solana ekosyst\u00e9m<\/b><span style=\"font-weight: 400\">. Rovn\u011b\u017e <\/span><b>vysok\u00e9 n\u00e1roky na hardware<\/b><span style=\"font-weight: 400\"> mohou odradit b\u011b\u017en\u00e9 u\u017eivatele od provozov\u00e1n\u00ed vlastn\u00edch uzl\u016f.<\/span><\/p><p><span style=\"font-weight: 400\">Solana v\u0161ak mezit\u00edm pokra\u010duje v inovac\u00edch. <\/span><b>Nov\u00fd validator client Firedancer m\u00e1 p\u0159in\u00e9st v\u00fdrazn\u00e9 zlep\u0161en\u00ed v\u00fdkonu a spolehlivosti<\/b><span style=\"font-weight: 400\">. \u0158e\u0161en\u00ed je zalo\u017een\u00e9 na <strong>kompresi dat a v\u00fdvoji light klient\u016f, aby se s\u00ed\u0165 dala l\u00e9pe pou\u017e\u00edvat i na mobilech<\/strong>.<\/span><\/p><p><iframe loading=\"lazy\" title=\"Spotlight: Firedancer v0 Architecture\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/IaElggvrYsI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p><h2><span style=\"font-weight: 400\">Z\u00e1v\u011br: Proof of History jako z\u00e1ruka d\u016fv\u011bry v s\u00edti<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<b>Te\u010f u\u017e m\u00e1te jasno v tom, co je Proof of History<\/b><span style=\"font-weight: 400\">, jak\u00fdm zp\u016fsobem tato technologie funguje a <\/span><b>pro\u010d je tak d\u016fle\u017eit\u00e1 pro v\u00fdkon s\u00edt\u011b Solana<\/b><span style=\"font-weight: 400\">. PoH vytv\u00e1\u0159\u00ed d\u016fv\u011bryhodnou \u010dasovou stopu, kter\u00e1 umo\u017e\u0148uje \u0159adit transakce rychle a bez zbyte\u010dn\u00e9ho zdr\u017een\u00ed, co\u017e se prom\u00edt\u00e1 do vysok\u00e9 rychlosti i minim\u00e1ln\u00edch poplatk\u016f. <\/span><\/p><p><span style=\"font-weight: 400\">P\u0159esto\u017ee s sebou nese tak\u00e9 ur\u010dit\u00e9 nev\u00fdhody, <\/span><b>p\u0159edstavuje z\u00e1sadn\u00ed krok vp\u0159ed v tom, jak mohou blockchainy pracovat s \u010dasem<\/b><span style=\"font-weight: 400\">. Pokud bude Solana d\u00e1l rozv\u00edjet svou infrastrukturu, m\u016f\u017ee se tato technologie st\u00e1t inspirac\u00ed i pro dal\u0161\u00ed s\u00edt\u011b.<\/span><\/p><h2><span style=\"font-weight: 400\">FAQ:<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<\/p><div class=\"man_faq_sec\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\r\n<!--                            <script>jQuery(document).ready(function() {\r\n\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").click(function() {\r\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionButton\").removeClass(\"on\");\r\n\t\t\t\t\t\t\t\t\tjQuery(\".accordionContent\").slideUp(\"normal\");\r\n\t\t\t\t\t\t\t\t\tif(jQuery(this).next().is(\":hidden\") == true) {\r\n\t\t\t\t\t\t\t\t\t\tjQuery(this).addClass(\"on\");\r\n\t\t\t\t\t\t\t\t\t\tjQuery(this).next().slideDown(\"normal\");\r\n\t\t\t\t\t\t\t\t\t } \r\n\t\t\t\t\t\t\t\t\t  \r\n\t\t\t\t\t\t\t\t });\r\n\t\t\t\t\t\t\t\t });\r\n\t\t\t\t\t\t\t<\/script>-->\r\n\t\t\t\t\t\t\t<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"><span style=\"font-weight: 400\">Co je Proof of History a pro\u010d ho Solana pou\u017e\u00edv\u00e1?<\/span><\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"><span style=\"font-weight: 400\">Proof of History (PoH) je mechanismus, kter\u00fd na Solan\u011b slou\u017e\u00ed jako intern\u00ed \u010dasov\u00fd syst\u00e9m. Vytv\u00e1\u0159\u00ed kryptografickou \u010dasovou osu pomoc\u00ed SHA-256 hash\u016f, tak\u017ee ka\u017ed\u00e1 ud\u00e1lost dostane jednozna\u010dn\u00e9 \u010dasov\u00e9 raz\u00edtko. D\u00edky tomu m\u016f\u017ee s\u00ed\u0165 p\u0159esn\u011b ur\u010dit po\u0159ad\u00ed transakc\u00ed bez extern\u00edch dat nebo slo\u017eit\u00e9 synchronizace mezi valid\u00e1tory. Tento postup v\u00fdrazn\u011b zvy\u0161uje rychlost a efektivitu cel\u00e9ho blockchainu.<\/span><\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"><span style=\"font-weight: 400\">Kdo Proof of History vytvo\u0159il a s jak\u00fdm c\u00edlem?<\/span><\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"><span style=\"font-weight: 400\">Autorem PoH je Anatoly Yakovenko, zakladatel Solany. Koncept p\u0159edstavil v roce 2017 jako \u0159e\u0161en\u00ed probl\u00e9mu, kter\u00fd dlouhodob\u011b brzdil v\u00fdkonnost blockchain\u016f: jak ur\u010dit spr\u00e1vn\u00e9 po\u0159ad\u00ed ud\u00e1lost\u00ed bez zpomalov\u00e1n\u00ed s\u00edt\u011b. Jeho my\u0161lenka spo\u010d\u00edvala v tom, aby se \u010das stal p\u0159\u00edmo sou\u010d\u00e1st\u00ed ledgeru, co\u017e eliminuje zdr\u017een\u00ed zp\u016fsoben\u00e9 koordinac\u00ed mezi uzly.<\/span><\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"><span style=\"font-weight: 400\">Jak Proof of History technicky funguje?<\/span><\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"><span style=\"font-weight: 400\">PoH vyu\u017e\u00edv\u00e1 nep\u0159etr\u017eit\u00e9 generov\u00e1n\u00ed SHA-256 hash\u016f, kde ka\u017ed\u00fd nov\u00fd hash vych\u00e1z\u00ed z p\u0159edchoz\u00edho. T\u00edm vznik\u00e1 sekvence, kterou nelze urychlit ani obej\u00edt, tak\u017ee slou\u017e\u00ed jako d\u016fkaz, \u017ee ub\u011bhl ur\u010dit\u00fd \u010das. Solana d\u00edky tomu m\u016f\u017ee transakce se\u0159adit je\u0161t\u011b p\u0159ed konsenzem. Valid\u00e1to\u0159i u\u017e nemus\u00ed ur\u010dovat po\u0159ad\u00ed ud\u00e1lost\u00ed a mohou rovnou potvrzovat bloky, co\u017e umo\u017e\u0148uje udr\u017eet potvrzen\u00ed transakc\u00ed pod jednou sekundou.<\/span><\/p>\r\n                <\/div><\/div><\/section>\n<section class=\"ms_faq ms_card \"><div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><div class=\"accordionButton\"><h3 itemprop=\"name\"><span style=\"font-weight: 400\">Jak Proof of History zapad\u00e1 do celkov\u00e9 architektury Solany?<\/span><\/h3> <\/div>\n<div class=\"accordionContent\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"display:none;\"><p itemprop=\"text\"><span style=\"font-weight: 400\">PoH poskytuje \u010dasovou referenci, zat\u00edmco ostatn\u00ed \u010d\u00e1sti syst\u00e9mu \u0159e\u0161\u00ed bezpe\u010dnost a \u0161k\u00e1lov\u00e1n\u00ed. Tower BFT pou\u017e\u00edv\u00e1 \u010dasov\u00e1 raz\u00edtka p\u0159i hlasov\u00e1n\u00ed o bloc\u00edch, Gulf Stream doru\u010duje transakce valid\u00e1tor\u016fm je\u0161t\u011b p\u0159ed zpracov\u00e1n\u00edm, Turbine d\u011bl\u00ed data na mal\u00e9 pakety a Sealevel umo\u017e\u0148uje paraleln\u00ed b\u011bh smart kontrakt\u016f. Kombinace t\u011bchto komponent vytv\u00e1\u0159\u00ed extr\u00e9mn\u011b rychlou s\u00ed\u0165, kter\u00e1 zvl\u00e1d\u00e1 tis\u00edce transakc\u00ed za sekundu.<\/span><\/p>\r\n                <\/div><\/div><\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Proof of History (PoH) je mechanismus, kter\u00fd na blockchainu Solana slou\u017e\u00ed jako intern\u00ed \u010dasov\u00e1 reference. Vytv\u00e1\u0159\u00ed \u0159et\u011bzec propojen\u00fdch ud\u00e1lost\u00ed pomoc\u00ed hashovac\u00ed funkce, \u010d\u00edm\u017e vznik\u00e1 kryptografick\u00e1 \u010dasov\u00e1 osa. Tato ov\u011b\u0159iteln\u00e1 \u010dasov\u00e1 osa umo\u017e\u0148uje s\u00edti p\u0159esn\u011b ur\u010dit po\u0159ad\u00ed transakc\u00ed, ani\u017e by pot\u0159ebovala extern\u00ed \u010dasov\u00e9 zdroje nebo slo\u017eitou synchronizaci mezi valid\u00e1tory.Technologie byla p\u0159edstavena v roce 2017 zakladatelem Solany, [&hellip;]<\/p>\n","protected":false},"author":638,"featured_media":5331,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"topics":[430],"class_list":["post-5325","academy","type-academy","status-publish","has-post-thumbnail","hentry","topics-blockchain","experience-zacatecnik"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Co je Proof of History? Kompletn\u00ed pr\u016fvodce unik\u00e1tn\u00edm konsenzem Solana - Cryptonews CZ<\/title>\n<meta name=\"description\" content=\"Proof of History p\u0159in\u00e1\u0161\u00ed nov\u00fd p\u0159\u00edstup k \u010dasov\u00e1n\u00ed blockchainu. P\u0159e\u010dt\u011bte si, jak Solan\u011b umo\u017e\u0148uje rychlej\u0161\u00ed a efektivn\u011bj\u0161\u00ed zpracov\u00e1n\u00ed transakc\u00ed.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-history\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co je Proof of History? 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P\u0159e\u010dt\u011bte si, jak Solan\u011b umo\u017e\u0148uje rychlej\u0161\u00ed a efektivn\u011bj\u0161\u00ed zpracov\u00e1n\u00ed transakc\u00ed.","twitter_image":"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/28121952\/1764332391-1753691379-solana-events_optimized.webp","twitter_site":"@cryptonews","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-history\/","url":"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-history\/","name":"Co je Proof of History? 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