{"id":5082,"date":"2025-11-24T07:36:31","date_gmt":"2025-11-24T07:36:31","guid":{"rendered":"https:\/\/cryptonews.com\/cz\/?post_type=academy&#038;p=5082\/"},"modified":"2025-11-24T07:36:31","modified_gmt":"2025-11-24T07:36:31","slug":"co-je-proof-of-stake","status":"publish","type":"academy","link":"https:\/\/cryptonews.com\/cz\/academy\/co-je-proof-of-stake\/","title":{"rendered":"Co je Proof-of-stake? Kompletn\u00ed pr\u016fvodce nejd\u016fle\u017eit\u011bj\u0161\u00edm konsensu\u00e1ln\u00edm mechanismem dne\u0161ka"},"content":{"rendered":"<p><b>Proof-of-stake<\/b><span style=\"font-weight: 400\"> (\u010dasto ozna\u010dovan\u00fd jako <\/span><b>PoS<\/b><span style=\"font-weight: 400\">)<\/span><b> je jeden z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch konsenzu\u00e1ln\u00edch mechanism\u016f v blockchainov\u00e9m sv\u011bt\u011b<\/b><span style=\"font-weight: 400\">. Zaji\u0161\u0165uje, \u017ee transakce jsou ov\u011b\u0159ov\u00e1ny stakery \u2013 u\u017eivateli, kte\u0159\u00ed maj\u00ed <\/span><b>uzam\u010den\u00e9 <\/b><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-token\/\"><b>tokeny<\/b><\/a><b> v s\u00edti<\/b><span style=\"font-weight: 400\">. Tento princip zaji\u0161\u0165uje decentralizaci, bezpe\u010dnost a spr\u00e1vu cel\u00e9ho blockchainu \u2013 bez pot\u0159eby masivn\u00edch v\u00fdpo\u010detn\u00edch jednotek, jak\u00e9 vy\u017eaduje Proof-of-work.<\/span><\/p><p><span style=\"font-weight: 400\">V\u0161echny transakce se ukl\u00e1daj\u00ed do blok\u016f a valid\u00e1to\u0159i, kte\u0159\u00ed se do procesu p\u0159ihl\u00e1s\u00ed stakingem, pom\u00e1haj\u00ed udr\u017eovat integritu s\u00edt\u011b. <\/span><b>Proof-of-stake<\/b><strong> vznikl jako efektivn\u011bj\u0161\u00ed alternativa k energeticky n\u00e1ro\u010dn\u00e9mu mechanismu <\/strong><b>Proof-of-work (PoW)<\/b><span style=\"font-weight: 400\">, na kter\u00e9m st\u00e1le funguje nap\u0159\u00edklad <\/span><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-bitcoin\/\"><span style=\"font-weight: 400\">Bitcoin<\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">V tomto \u010dl\u00e1nku si vysv\u011btl\u00edme, <\/span>co je proof-of-stake<span style=\"font-weight: 400\">, <strong>jak p\u0159esn\u011b funguje<\/strong>, jak\u00e9 m\u00e1 <\/span><b>v\u00fdhody i nev\u00fdhody<\/b><span style=\"font-weight: 400\">, a pod\u00edv\u00e1me se i na jeho<\/span><b> sou\u010dasn\u00e9 vyu\u017eit\u00ed v praxi<\/b><span style=\"font-weight: 400\">.<\/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<h2><span style=\"font-weight: 400\">Co je Proof-of-stake? Jednoduch\u00e9 vysv\u011btlen\u00ed<\/span><\/h2>\n<p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Abychom si jasn\u011b vysv\u011btlili, <\/span>co je proof-of-stake<span style=\"font-weight: 400\">, je pot\u0159eba za\u010d\u00edt u toho, \u017ee <\/span><strong><a href=\"https:\/\/cryptonews.com\/cz\/academy\/co-je-to-blockchain\/\">blockchain<\/a><\/strong><span style=\"font-weight: 400\"><strong> funguje jako decentralizovan\u00e1 \u00fa\u010detn\u00ed kniha<\/strong>. Uvnit\u0159 s\u00edt\u011b neexistuje \u017e\u00e1dn\u00e1 centr\u00e1ln\u00ed instituce, kter\u00e1 by se starala o zapisov\u00e1n\u00ed transakc\u00ed. Naopak \u2014 <strong>o v\u0161e se star\u00e1 s\u00ed\u0165 u\u017eivatel\u016f<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400\">V r\u00e1mci t\u00e9to distribuovan\u00e9 datab\u00e1ze jsou transakce ukl\u00e1d\u00e1ny do blok\u016f. <\/span><b>Ka\u017ed\u00fd z nich mus\u00ed b\u00fdt p\u0159ed z\u00e1pisem do blockchainu ov\u011b\u0159en<\/b><span style=\"font-weight: 400\">. O to se star\u00e1 pr\u00e1v\u011b <\/span><b>konsenzu\u00e1ln\u00ed mechanismus<\/b><span style=\"font-weight: 400\">.<\/span><\/p>\n<p><b>Historicky se o validaci staral syst\u00e9m<\/b> <b>Proof-of-work<\/b><span style=\"font-weight: 400\">, kdy ka\u017ed\u00fd, kdo m\u011bl dost v\u00fdpo\u010detn\u00edho v\u00fdkonu, mohl soupe\u0159it v \u0159e\u0161en\u00ed matematick\u00fdch \u00faloh. Kdo \u00falohu vy\u0159e\u0161il jako prvn\u00ed, ov\u011b\u0159il cel\u00fd blok. <\/span><span style=\"font-weight: 400\">Mechanismus <\/span><b>Proof-of-stake<\/b><span style=\"font-weight: 400\"><strong> v\u0161ak funguje jinak<\/strong>. Nepot\u0159ebuje \u017e\u00e1dn\u00fd extr\u00e9mn\u00ed v\u00fdpo\u010detn\u00ed v\u00fdkon \u2014 <strong>sta\u010d\u00ed, kdy\u017e u\u017eivatel uzamkne ur\u010dit\u00e9 mno\u017estv\u00ed <\/strong><\/span><strong><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-kryptomena\/\">kryptom\u011bny<\/a><\/strong><span style=\"font-weight: 400\"><strong> do s\u00edt\u011b<\/strong>. T\u00edm deklaruje, \u017ee se chce st\u00e1t <\/span><b>valid\u00e1torem<\/b><span style=\"font-weight: 400\">, a blockchainov\u00fd algoritmus jej m\u016f\u017ee vybrat k ov\u011b\u0159ov\u00e1n\u00ed transakc\u00ed.<\/span><\/p>\n<\/div><\/div><figure id=\"attachment_5083\" aria-describedby=\"caption-attachment-5083\" style=\"width: 1123px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5083\" src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5.jpg\" alt=\"Proof-of-Stake definice. Zdroj: Investopedia\" width=\"1123\" height=\"698\" srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5.jpg 1123w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5-300x186.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5-1024x636.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5-768x477.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121007\/1763640607-5-450x280.jpg 450w\" sizes=\"auto, (max-width: 1123px) 100vw, 1123px\"><figcaption id=\"caption-attachment-5083\" class=\"wp-caption-text\">Proof-of-Stake definice. Zdroj: Investopedia<\/figcaption><\/figure><h2><span style=\"font-weight: 400\">Jak Proof-of-stake funguje v praxi?<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Aby cel\u00fd proces fungoval, <\/span><b>PoS se op\u00edr\u00e1 o t\u0159i z\u00e1kladn\u00ed pil\u00ed\u0159e<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h3><span style=\"font-weight: 400\">1. Staking kryptom\u011bn<\/span><\/h3><p><span style=\"font-weight: 400\">Aby se u\u017eivatel stal valid\u00e1torem, <strong>mus\u00ed do s\u00edt\u011b vlo\u017eit ur\u010dit\u00e9 mno\u017estv\u00ed kryptom\u011bny<\/strong> \u2014 tzv. <\/span><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-staking-kryptomen\/\"><span style=\"font-weight: 400\">staking<\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Uzamknut\u00e9 prost\u0159edky dokazuj\u00ed jeho z\u00e1vazek k s\u00edti.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Na z\u00e1klad\u011b mno\u017estv\u00ed stakovan\u00fdch coin\u016f roste nebo kles\u00e1 \u0161ance, \u017ee jej algoritmus vybere pro ov\u011b\u0159en\u00ed dal\u0161\u00edho bloku.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tento princip funguje u v\u0161ech blockchain\u016f, kter\u00e9 vyu\u017e\u00edvaj\u00ed PoS, a proto se jim \u010dasto \u0159\u00edk\u00e1 <\/span><b>Proof-of-stake coiny<\/b><span style=\"font-weight: 400\">.<\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">Po uzam\u010den\u00ed <\/span><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/nove-kryptomeny-s-potencialem\/\"><span style=\"font-weight: 400\">kryptom\u011bn<\/span><\/a><span style=\"font-weight: 400\"> je velmi \u010dasto pot\u0159eba po\u010dkat \u2014 tzv. <\/span><b>lock-up period<\/b><span style=\"font-weight: 400\">. Ta se u n\u011bkter\u00fdch s\u00edt\u00ed pohybuje mezi 1 a\u017e 2 lety. <\/span><b>Nap\u0159\u00edklad Ethereum vy\u017eaduje minim\u00e1ln\u011b 32 ETH, pokud chce u\u017eivatel provozovat vlastn\u00edho valid\u00e1tora<\/b><span style=\"font-weight: 400\">.<\/span><\/p><figure id=\"attachment_3796\" aria-describedby=\"caption-attachment-3796\" style=\"width: 1633px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3796 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Stakuj Eethereum, zabezpe\u010d s\u00ed\u0165 a z\u00edskej odm\u011bny \u2013 aktu\u00e1ln\u00ed v\u00fdnos kolem 2,9 %.\" width=\"1633\" height=\"759\" sizes=\"auto, (max-width: 1633px) 100vw, 1633px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2.jpg 1633w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2-300x139.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2-1024x476.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2-768x357.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2-1536x714.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/10\/15090647\/1760519206-2-450x209.jpg 450w\"><figcaption id=\"caption-attachment-3796\" class=\"wp-caption-text\">Stakujte ETH, zabezpe\u010dte s\u00ed\u0165 a z\u00edskejte odm\u011bny \u2013 aktu\u00e1ln\u00ed v\u00fdnos kolem 2,9 %. Zdroj: ethereum.org<\/figcaption><\/figure><h3><span style=\"font-weight: 400\">2. Validace blok\u016f<\/span><\/h3><p><span style=\"font-weight: 400\">Jakmile m\u00e1te ve stakingu dost prost\u0159edk\u016f, st\u00e1v\u00e1te se valid\u00e1torem. <strong>Blockchain pak n\u00e1hodn\u011b vyb\u00edr\u00e1 z uzl\u016f ty, kte\u0159\u00ed ov\u011b\u0159\u00ed nov\u011b vytvo\u0159en\u00fd blok<\/strong>. <\/span><span style=\"font-weight: 400\">V\u00fdb\u011br je <\/span>n\u00e1hodn\u00fd<span style=\"font-weight: 400\">, aby se zajistila <\/span><b>decentralizace a minimalizovalo riziko manipulace<\/b><span style=\"font-weight: 400\">.<\/span><\/p><figure id=\"attachment_5118\" aria-describedby=\"caption-attachment-5118\" style=\"width: 1800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5118 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Jak funguje proof of stake: Jednoduch\u00e9 zn\u00e1zorn\u011bn\u00ed procesu validace blok\u016f v syst\u00e9mu proof-of-stake.\" width=\"1800\" height=\"1149\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work.jpg 1800w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work-300x192.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work-1024x654.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work-768x490.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work-1536x980.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071840\/1763968719-jak-funguje-proof-of-stake-a-proof-of-work-450x287.jpg 450w\"><figcaption id=\"caption-attachment-5118\" class=\"wp-caption-text\">Jak funguje proof of stake: Jednoduch\u00e9 zn\u00e1zorn\u011bn\u00ed procesu validace blok\u016f v syst\u00e9mu proof-of-stake<\/figcaption><\/figure><h3>3. Odm\u011bny a sankce<\/h3><p>Valid\u00e1to\u0159i, kte\u0159\u00ed blok \u00fasp\u011b\u0161n\u011b ov\u011b\u0159\u00ed, z\u00edsk\u00e1vaj\u00ed <b>odm\u011bnu v podob\u011b nov\u011b vytvo\u0159en\u00e9 kryptom\u011bny nebo transak\u010dn\u00edch poplatk\u016f<\/b>.<\/p><p>Pokud se ale valid\u00e1tor dopust\u00ed chyby, nebo se sna\u017e\u00ed ov\u011b\u0159it neplatn\u00e9 transakce, <b>m\u016f\u017ee p\u0159ij\u00edt o \u010d\u00e1st nebo celou stakovanou \u010d\u00e1stku<\/b> \u2014 tomuto procesu se \u0159\u00edk\u00e1 <b>slashing<\/b>. Sankcionov\u00e1ni jsou tak\u00e9 <strong>node oper\u00e1to\u0159i, kte\u0159\u00ed jsou b\u011bhem validace offline<\/strong>. Tento princip vytv\u00e1\u0159\u00ed silnou ekonomickou motivaci \u201ehr\u00e1t fair\u201c.<\/p><figure id=\"attachment_5119\" aria-describedby=\"caption-attachment-5119\" style=\"width: 1800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5119 size-full lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Rozd\u00edl mezi proof of stake a proof of work\" width=\"1800\" height=\"1149\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow.jpg 1800w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow-300x192.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow-1024x654.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow-768x490.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow-1536x980.jpg 1536w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/24071844\/1763968723-proof-of-stake-proof-of-work-pos-vs-pow-450x287.jpg 450w\"><figcaption id=\"caption-attachment-5119\" class=\"wp-caption-text\">Rozd\u00edl mezi proof of stake a proof of work<\/figcaption><\/figure><h2><span style=\"font-weight: 400\">V\u00fdhody Proof-of-stake<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">PoS se v posledn\u00edch letech stal popul\u00e1rn\u011bj\u0161\u00edm ne\u017e PoW. <\/span><b>Hlavn\u00ed v\u00fdhody pat\u0159\u00ed mezi d\u016fvody, pro\u010d se k n\u011bmu p\u0159ech\u00e1z\u00ed st\u00e1le v\u00edce blockchain\u016f<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h3><span style=\"font-weight: 400\">V\u00fdrazn\u011b ni\u017e\u0161\u00ed spot\u0159eba energie<\/span><\/h3><p><span style=\"font-weight: 400\">Proof-of-Stake syst\u00e9my funguj\u00ed na principu stakingu, tak\u017ee <\/span><b>nepot\u0159ebuj\u00ed obrovsk\u00e9 haldy v\u00fdkonn\u00fdch po\u010d\u00edta\u010d\u016f b\u011b\u017e\u00edc\u00edch 24\/7<\/b><span style=\"font-weight: 400\">. Oproti tomu t\u011b\u017eba bitcoinu v roce 2025 st\u00e1le spot\u0159ebov\u00e1v\u00e1 obrovsk\u00e9 mno\u017estv\u00ed energie \u2014 p\u0159ev\u00e1\u017en\u011b z <\/span><b>fosiln\u00edch zdroj\u016f<\/b><span style=\"font-weight: 400\">. <\/span><\/p><figure id=\"attachment_5084\" aria-describedby=\"caption-attachment-5084\" style=\"width: 962px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5084 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Odhady denn\u00ed i ro\u010dn\u00ed spot\u0159eby elekt\u0159iny bitcoinov\u00e9 s\u00edt\u011b. Zdroj: CCAF\" width=\"962\" height=\"740\" sizes=\"auto, (max-width: 962px) 100vw, 962px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121429\/1763640869-1.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121429\/1763640869-1.jpg 962w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121429\/1763640869-1-300x231.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121429\/1763640869-1-768x591.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121429\/1763640869-1-450x346.jpg 450w\"><figcaption id=\"caption-attachment-5084\" class=\"wp-caption-text\">Odhady denn\u00ed i ro\u010dn\u00ed spot\u0159eby elekt\u0159iny bitcoinov\u00e9 s\u00edt\u011b. Zdroj: CCAF<\/figcaption><\/figure><p><span style=\"font-weight: 400\">Podle <\/span><a href=\"https:\/\/unu.edu\/press-release\/un-study-reveals-hidden-environmental-impacts-bitcoin-carbon-not-only-harmful-product\"><span style=\"font-weight: 400\">zpr\u00e1vy <\/span><\/a><span style=\"font-weight: 400\">OSN z roku 2025 m\u00e1 bitcoinov\u00e1 s\u00ed\u0165 <\/span><b>ro\u010dn\u00ed uhl\u00edkovou stopu na \u00farovni \u010cesk\u00e9 republiky<\/b><span style=\"font-weight: 400\"> a jej\u00ed spot\u0159eba elekt\u0159iny dokonce p\u0159evy\u0161uje <\/span><b>celou energetickou pot\u0159ebu P\u00e1kist\u00e1nu<\/b><span style=\"font-weight: 400\">, kde \u017eije p\u0159ibli\u017en\u011b 230 milion\u016f lid\u00ed. To dob\u0159e ukazuje, pro\u010d je tlak na omezen\u00ed energeticky n\u00e1ro\u010dn\u00e9 t\u011b\u017eby st\u00e1le siln\u011bj\u0161\u00ed.<\/span><\/p><p><span style=\"font-weight: 400\">Pr\u00e1v\u011b kv\u016fli t\u011bmto dopad\u016fm <\/span><b>Tesla v roce 2021 odm\u00edtla p\u0159ij\u00edmat <a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/kde-koupit-bitcoin\/\">bitcoin<\/a> jako platidlo<\/b><span style=\"font-weight: 400\">, \u010d\u00edm\u017e upozornila na probl\u00e9m, kter\u00fd nelze p\u0159ehl\u00ed\u017eet. Tento krok z\u00e1rove\u0148 urychlil posun z\u00e1jmu sm\u011brem k <\/span>Proof-of-stake<span style=\"font-weight: 400\">, kter\u00fd se stal symbolem <strong>\u201ezelen\u011bj\u0161\u00edho\u201c blockchainu<\/strong>.<\/span><\/p><figure id=\"attachment_5085\" aria-describedby=\"caption-attachment-5085\" style=\"width: 977px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5085 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Odhady denn\u00ed i ro\u010dn\u00ed spot\u0159eby elekt\u0159iny s\u00edt\u011b Ethereum. Zdroj: CCAF\" width=\"977\" height=\"754\" sizes=\"auto, (max-width: 977px) 100vw, 977px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121514\/1763640913-4.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121514\/1763640913-4.jpg 977w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121514\/1763640913-4-300x232.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121514\/1763640913-4-768x593.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121514\/1763640913-4-450x347.jpg 450w\"><figcaption id=\"caption-attachment-5085\" class=\"wp-caption-text\">Odhady denn\u00ed i ro\u010dn\u00ed spot\u0159eby elekt\u0159iny s\u00edt\u011b Ethereum. Zdroj: CCAF<\/figcaption><\/figure><h3><span style=\"font-weight: 400\">Odli\u0161n\u00fd p\u0159\u00edstup k zabezpe\u010den\u00ed s\u00edt\u011b<\/span><\/h3><p><a href=\"https:\/\/fortune.com\/2021\/10\/26\/bitcoin-mining-capacity-ownership-concentration-top-investors-nber-study\/\"><span style=\"font-weight: 400\">V\u00fdzkum<\/span><\/a><span style=\"font-weight: 400\"> americk\u00e9ho National Bureau of Economic Research uk\u00e1zal, \u017ee v u bitcoinu <\/span><b>10 % nejv\u011bt\u0161\u00edch t\u011b\u017ea\u0159\u016f kontroluje a\u017e 90 % celkov\u00e9ho v\u00fdkonu s\u00edt\u011b<\/b><span style=\"font-weight: 400\">. To znamen\u00e1 v\u00fdraznou koncentraci moci.<\/span><\/p><figure id=\"attachment_5086\" aria-describedby=\"caption-attachment-5086\" style=\"width: 1083px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5086 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Pod\u00edly nejv\u011bt\u0161\u00edch bitcoin mining pool\u016f na celkov\u00e9m v\u00fdkonu s\u00edt\u011b na konci roku 2025. Zdroj: Miningpoolstats \" width=\"1083\" height=\"539\" sizes=\"auto, (max-width: 1083px) 100vw, 1083px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3.jpg 1083w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3-300x149.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3-1024x510.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3-768x382.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20121852\/1763641132-3-450x224.jpg 450w\"><figcaption id=\"caption-attachment-5086\" class=\"wp-caption-text\">Pod\u00edly nejv\u011bt\u0161\u00edch bitcoin mining pool\u016f na celkov\u00e9m v\u00fdkonu s\u00edt\u011b na konci roku 2025. Zdroj: Miningpoolstats<\/figcaption><\/figure><p><span style=\"font-weight: 400\">U PoS je situace jin\u00e1: bloky neov\u011b\u0159uj\u00ed t\u011b\u017ea\u0159i, ale <\/span><b>valid\u00e1to\u0159i<\/b><span style=\"font-weight: 400\">, kte\u0159\u00ed mus\u00ed uzamknout (stakovat) vlastn\u00ed <a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/nejlepsi-kryptomeny\/\">kryptom\u011bnu<\/a>. Pokud valid\u00e1tor schv\u00e1ln\u011b potvrd\u00ed neplatn\u00fd blok, <\/span><b>riskuje ztr\u00e1tu vlastn\u00edho vkladu<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">D\u00edky v\u011bt\u0161\u00edmu po\u010dtu valid\u00e1tor\u016f je nav\u00edc <\/span><b>mnohem m\u00e9n\u011b pravd\u011bpodobn\u00e9<\/b><span style=\"font-weight: 400\">, <strong>\u017ee by n\u011bkdo mohl prov\u00e9st 51% \u00fatok<\/strong>. Aby n\u011bkdo provedl takov\u00fd \u00fatok, musel by:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Vlastnit obrovsk\u00e9 mno\u017estv\u00ed stakovan\u00fdch coin\u016f<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Riskovat jejich okam\u017eitou ztr\u00e1tu p\u0159i pokusu o \u00fatok<\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">Ekonomicky by to ned\u00e1valo smysl.<\/span><\/p><h2><span style=\"font-weight: 400\">Nev\u00fdhody Proof-of-stake<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">A\u010dkoli m\u00e1 Proof-of-stake mnoho p\u0159ednost\u00ed, nen\u00ed dokonal\u00fd. <\/span><b>Kritici upozor\u0148uj\u00ed na n\u011bkolik probl\u00e9m\u016f<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h3><span style=\"font-weight: 400\">Riziko centralizace<\/span><\/h3><p><span style=\"font-weight: 400\">Blockchain automaticky zv\u00fdhod\u0148uje valid\u00e1tory, kte\u0159\u00ed maj\u00ed v\u011bt\u0161\u00ed mno\u017estv\u00ed kryptom\u011bny. <\/span><b>\u010c\u00edm v\u00edce stakujete, t\u00edm v\u011bt\u0161\u00ed je \u0161ance, \u017ee budete vybr\u00e1ni<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">To m\u016f\u017ee postupn\u011b v\u00e9st k ur\u010dit\u00e9 form\u011b <\/span><b>centralizace<\/b><span style=\"font-weight: 400\">, proto\u017ee <\/span><b>v\u011bt\u0161\u00ed hr\u00e1\u010di z\u00edsk\u00e1vaj\u00ed v\u011bt\u0161\u00ed vliv nad t\u00edm, jak s\u00ed\u0165 funguje<\/b><span style=\"font-weight: 400\">. Teoreticky by se tak mohly objevit probl\u00e9my s <\/span><b>governanc\u00ed<\/b><span style=\"font-weight: 400\">, nebo dokonce tlak na <\/span><b>cenzurov\u00e1n\u00ed transakc\u00ed<\/b><span style=\"font-weight: 400\">, pokud by se moc p\u0159\u00edli\u0161 koncentrovala.<\/span><\/p><p><span style=\"font-weight: 400\">Na druhou stranu je pot\u0159eba dodat, \u017ee <strong>modern\u00ed PoS syst\u00e9my pou\u017e\u00edvaj\u00ed<\/strong> <\/span><b>n\u00e1hodn\u00fd v\u00fdb\u011br valid\u00e1tor\u016f<\/b><span style=\"font-weight: 400\">, co\u017e m\u00e1 pr\u00e1v\u011b br\u00e1nit tomu, aby s\u00ed\u0165 sklouzla k oligopolu.<\/span><\/p><h3><span style=\"font-weight: 400\">Nerovnost mezi u\u017eivateli<\/span><\/h3><p><span style=\"font-weight: 400\">Jak u\u017e bylo nazna\u010deno v\u00fd\u0161e, <\/span><b>syst\u00e9m p\u0159irozen\u011b nahr\u00e1v\u00e1 t\u011bm, kte\u0159\u00ed maj\u00ed v\u00edce stakovan\u00e9 kryptom\u011bny<\/b><span style=\"font-weight: 400\">. V\u00fdsledkem m\u016f\u017ee b\u00fdt postupn\u011b se prohlubuj\u00edc\u00ed <\/span><b>majetkov\u00e1 nerovnost uvnit\u0159 ekosyst\u00e9mu<\/b><span style=\"font-weight: 400\"> \u2014 ti, kte\u0159\u00ed maj\u00ed hodn\u011b, dost\u00e1vaj\u00ed je\u0161t\u011b v\u00edce, zat\u00edmco men\u0161\u00ed valid\u00e1to\u0159i maj\u00ed omezenou \u0161anci z\u00edskat v\u00fdznamn\u011bj\u0161\u00ed odm\u011bny.<\/span><\/p><h2><span style=\"font-weight: 400\">Re\u00e1ln\u00e9 p\u0159\u00edklady Proof-of-stake blockchain\u016f<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<b>Pod\u00edvejme se na konkr\u00e9tn\u00ed blockchainy<\/b><span style=\"font-weight: 400\">, kter\u00e9 u\u017e dnes funguj\u00ed na syst\u00e9mu proof-of-stake, a ukazuj\u00ed, jak se tento model uplat\u0148uje v praxi.<\/span><\/p><h3><span style=\"font-weight: 400\">Ethereum<\/span><\/h3><p><span style=\"font-weight: 400\">Ethereum p\u0159e\u0161lo na Proof-of-stake v roce 2022 b\u011bhem tzv. The Merge. <\/span><b>Aby se \u010dlov\u011bk stal valid\u00e1torem v s\u00edti, mus\u00ed uzamknout<\/b> <b>32 ETH<\/b><span style=\"font-weight: 400\"> \u2013 teprve pot\u00e9 m\u016f\u017ee ov\u011b\u0159ovat bloky a z\u00edsk\u00e1vat za to odm\u011bny v podob\u011b nov\u00fdch ETH. <\/span><b>V\u00fdnos ze stakingu se b\u011b\u017en\u011b pohybuje kolem<\/b> <b>3\u20137 % ro\u010dn\u011b<\/b><span style=\"font-weight: 400\">, podle zvolen\u00e9 platformy.<\/span><\/p><p><span style=\"font-weight: 400\">P\u0159echod na PoS m\u011bl z\u00e1sadn\u00ed dopad na ekologii. Jak <\/span><a href=\"https:\/\/finance.yahoo.com\/news\/ethereums-post-merge-energy-usage-093000834.html\"><span style=\"font-weight: 400\">uv\u00e1d\u00ed<\/span><\/a><span style=\"font-weight: 400\"> Yahoo Finance, <strong>spot\u0159eba energie Etherea po The Merge klesla<\/strong> <\/span><b>z p\u016fvodn\u00edch 2,44 gigawatt\u016f na pouh\u00fdch 235 kilowatt\u016f<\/b><span style=\"font-weight: 400\">. Graf od Cambridge Centre for Alternative Finance (CCAF) ukazuje, jak obrovsk\u00fd rozd\u00edl PoS p\u0159inesl ve srovn\u00e1n\u00ed s bitcoinem nebo se starou PoW verz\u00ed Etherea.<\/span><\/p><figure id=\"attachment_5087\" aria-describedby=\"caption-attachment-5087\" style=\"width: 758px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5087 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Spot\u0159eba energie Etherea po p\u0159echodu na PoS klesla na \u00farove\u0148 mal\u00e9 maliny. Zdroj: CCAF\" width=\"758\" height=\"387\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122228\/1763641348-1707392392-ethereum-post-merge-consumption.png\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122228\/1763641348-1707392392-ethereum-post-merge-consumption.png 758w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122228\/1763641348-1707392392-ethereum-post-merge-consumption-300x153.png 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122228\/1763641348-1707392392-ethereum-post-merge-consumption-450x230.png 450w\"><figcaption id=\"caption-attachment-5087\" class=\"wp-caption-text\">Spot\u0159eba energie Etherea po p\u0159echodu na PoS klesla na \u00farove\u0148 mal\u00e9 maliny. Zdroj: CCAF<\/figcaption><\/figure><p><span style=\"font-weight: 400\">Zv\u00fd\u0161ila se i v\u00fdkonnost s\u00edt\u011b \u2013 zat\u00edmco p\u016fvodn\u011b zvl\u00e1dalo Ethereum <\/span><b>15\u201320 transakc\u00ed za sekundu<\/b><span style=\"font-weight: 400\">, nyn\u00ed je schopn\u00e9 teoreticky zpracovat <\/span><b>p\u0159es 100 000 TPS<\/b><span style=\"font-weight: 400\">. Nej\u010dast\u011bji kritizovan\u00fdm bodem v\u0161ak z\u016fst\u00e1v\u00e1 riziko centralizace, proto\u017ee <\/span><b>velk\u00e9 stakingov\u00e9 pooly (nap\u0159\u00edklad Lido) dr\u017e\u00ed v\u00fdraznou \u010d\u00e1st stakovan\u00fdch ETH<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h3><span style=\"font-weight: 400\">Tezos<\/span><\/h3><p><span style=\"font-weight: 400\">Tezos pat\u0159\u00ed mezi pr\u016fkopn\u00edky proof-of-stake. <\/span><b>S\u00ed\u0165 byla spu\u0161t\u011bna v roce 2018<\/b><span style=\"font-weight: 400\"> a od t\u00e9 doby zpracovala miliony transakc\u00ed, a to d\u00edky u\u017eivatel\u016fm, kte\u0159\u00ed <\/span><b>\u201cpe\u010dou\u201d (bake)<\/b> <b>sv\u00e9 tokeny<\/b> <b>XTZ<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><strong>Tezos pou\u017e\u00edv\u00e1 model <\/strong><b>liquid proof-of-stake (LPoS)<\/b><span style=\"font-weight: 400\">. Funguje podobn\u011b jako valid\u00e1to\u0159i na Ethereu, ale se z\u00e1sadn\u00edm rozd\u00edlem. <\/span><b>Nen\u00ed zde \u017e\u00e1dn\u00e1 doba uzam\u010den\u00ed<\/b><span style=\"font-weight: 400\">, tak\u017ee u\u017eivatel\u00e9 mohou sv\u00e9 tokeny kdykoliv vybrat \u010di p\u0159estat delegovat. Tato flexibilita je jedn\u00edm z hlavn\u00edch d\u016fvod\u016f, pro\u010d si s\u00ed\u0165 udr\u017eela stabiln\u00ed komunitu.<\/span><\/p><p><span style=\"font-weight: 400\">Dal\u0161\u00ed v\u00fdhodou je i to, \u017ee <\/span><b>\u201cbake\u0159i\u201d mohou sami<\/b> <b>navrhovat zm\u011bny protokolu<\/b><span style=\"font-weight: 400\"> a <strong>\u00fa\u010dastnit se \u0159\u00edzen\u00ed s\u00edt\u011b prost\u0159ednictv\u00edm form\u00e1ln\u00edho hlasovac\u00edho procesu<\/strong>. Tezos je tak postaven od za\u010d\u00e1tku jako blockchain s d\u016frazem na pr\u016fb\u011b\u017en\u00fd v\u00fdvoj, samospr\u00e1vu a energetickou \u00faspornost.<\/span><\/p><p><span style=\"font-weight: 400\"><div class=\"cpp-crypto-chart cpp-crypto-chart-xtz\" data-coin-symbol=\"xtz\" data-price-usd=\"XTZ Price (USD)\" data-main-color=\"#7a2197\" data-watermark-image=\"https:\/\/cimg.co\/wp-content\/uploads\/2024\/06\/20161447\/logologo_white.png\" data-chart-style=\"cryptonews\"><div class=\"cpp-chart-header-wrapper\"><div class=\"cpp-chart-header\"><img decoding=\"async\" class=\"cpp-chart-header-logo lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"xtz logo\" data-src=\"https:\/\/cimg.co\/coinlogo\/343\/cnsxtz.svg\" data-srcset=\"\"><div class=\"cpp-chart-coin-info\"><div class=\"cpp-chart-coin-name\">Tezos (XTZ)<\/div><div class=\"cpp-chart-price-row\"><span class=\"cpp-chart-price\"><\/span><span class=\"cpp-chart-change\"><\/span><\/div><\/div><\/div><div class=\"cpp-chart-selectors\"><span class=\"cpp-chart-selector\" data-period=\"24h\">24h<\/span><span class=\"cpp-chart-selector\" data-period=\"7d\">7d<\/span><span class=\"cpp-chart-selector\" data-period=\"30d\">30d<\/span><span class=\"cpp-chart-selector\" data-period=\"1y\">1y<\/span><span class=\"cpp-chart-selector\" data-period=\"all_time\">All time<\/span><\/div><\/div><canvas id=\"cpp-chart-6a551dabed87d\" class=\"cpp-chart-container\"><\/canvas><\/div><\/span><\/p><h2><span style=\"font-weight: 400\">Stakingov\u00e9 pooly a decentralizace: Dvojse\u010dn\u00e1 zbra\u0148<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">U\u017e v\u00fd\u0161e padla zm\u00ednka o stakingov\u00fdch poolech, jako je nap\u0159\u00edklad Lido, ale stoj\u00ed za to vysv\u011btlit, jak vlastn\u011b funguj\u00ed. <\/span><b>Stakingov\u00fd pool je skupina u\u017eivatel\u016f<\/b><span style=\"font-weight: 400\">, kte\u0159\u00ed spoj\u00ed sv\u00e9 prost\u0159edky a zapoj\u00ed se<\/span><b> spole\u010dn\u011b do stakingu prost\u0159ednictv\u00edm jednoho provozovatele<\/b><span style=\"font-weight: 400\">. Tento oper\u00e1tor se star\u00e1 o technickou \u010d\u00e1st validace a n\u00e1sledn\u011b <\/span><b>rozd\u011bluje odm\u011bny \u00fa\u010dastn\u00edk\u016fm podle toho, kolik ka\u017ed\u00fd do poolu vlo\u017eil<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">Pooly vznikly proto, aby umo\u017enily staking i lidem, kte\u0159\u00ed <\/span><b>nemaj\u00ed dostatek krypta na to, aby se stali samostatn\u00fdmi valid\u00e1tory<\/b><span style=\"font-weight: 400\">. Probl\u00e9m je, \u017ee pr\u00e1v\u011b tyto pooly se \u010dasem staly <\/span><b>jedn\u00edm z hlavn\u00edch zdroj\u016f centralizace<\/b><span style=\"font-weight: 400\">. Typick\u00fdm p\u0159\u00edkladem je <\/span><b>Lido<\/b><span style=\"font-weight: 400\"> nebo <\/span><b>Coinbase<\/b><span style=\"font-weight: 400\">, kter\u00e9 v ur\u010dit\u00e9m obdob\u00ed <\/span><a href=\"https:\/\/www.coindesk.com\/tech\/2022\/09\/15\/eth-may-already-be-showcasing-increased-signs-of-centralization\/\"><span style=\"font-weight: 400\">kontrolovaly<\/span><\/a><span style=\"font-weight: 400\"> zhruba <\/span><b>40 % v\u0161ech stakovan\u00fdch ETH<\/b><span style=\"font-weight: 400\">, co\u017e je pro decentralizovanou s\u00ed\u0165 velmi vysok\u00e9 \u010d\u00edslo. <\/span><\/p><p><span style=\"font-weight: 400\">I kdy\u017e proof-of-stake obecn\u011b s\u00e1z\u00ed na komunitn\u00ed spr\u00e1vu, realita je takov\u00e1, \u017ee <\/span><b>p\u00e1r velk\u00fdch subjekt\u016f m\u00e1 mo\u017enost ovlivnit, co se do blockchainu zapisuje<\/b><span style=\"font-weight: 400\">, a t\u00edm tak\u00e9 jak\u00e1 pravidla s\u00ed\u0165 dodr\u017euje.<\/span><\/p><figure id=\"attachment_5088\" aria-describedby=\"caption-attachment-5088\" style=\"width: 973px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5088 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Struktura pod\u00edlu jednotliv\u00fdch staking pool\u016f v s\u00edti Ethereum na konci roku 2025. Zdroj: beaconcha.in\" width=\"973\" height=\"707\" sizes=\"auto, (max-width: 973px) 100vw, 973px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122437\/1763641476-2-spglobal.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122437\/1763641476-2-spglobal.jpg 973w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122437\/1763641476-2-spglobal-300x218.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122437\/1763641476-2-spglobal-768x558.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122437\/1763641476-2-spglobal-450x327.jpg 450w\"><figcaption id=\"caption-attachment-5088\" class=\"wp-caption-text\">Struktura pod\u00edlu jednotliv\u00fdch staking pool\u016f v s\u00edti Ethereum na konci roku 2025. Zdroj: beaconcha.in<\/figcaption><\/figure><h2><span style=\"font-weight: 400\">Budoucnost Proof-of-stake<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof-of-stake p\u0159in\u00e1\u0161\u00ed \u0159adu v\u00fdhod, ale z\u00e1rove\u0148 i<\/span><b> n\u011bkolik slabin, kter\u00e9 budou v dal\u0161\u00edch letech testovat jeho \u017eivotaschopnost<\/b><span style=\"font-weight: 400\">. Ot\u00e1zkou tedy je, jak se tento konsenzu\u00e1ln\u00ed model bude d\u00e1l vyv\u00edjet.<\/span><\/p><h3><span style=\"font-weight: 400\">\u0160k\u00e1lov\u00e1n\u00ed a v\u00fdkon s\u00edt\u011b<\/span><\/h3><p><span style=\"font-weight: 400\">Dlouhodob\u00fdm probl\u00e9mem v\u011bt\u0161iny blockchain\u016f je schopnost <\/span><b>\u0161k\u00e1lovat provoz tak, aby zvl\u00e1dly r\u016fst po\u010dtu u\u017eivatel\u016f i transakc\u00ed<\/b><span style=\"font-weight: 400\">. PoS je v tomto ohledu efektivn\u011bj\u0161\u00ed ne\u017e proof-of-work, ale nen\u00ed <\/span><b>bez limit\u016f<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">Po p\u0159echodu Etherea na PoS zvl\u00e1dne nyn\u00ed s\u00ed\u0165 a\u017e <\/span><b>100 000 TPS<\/b><span style=\"font-weight: 400\">, ale s dal\u0161\u00edm r\u016fstem ekosyst\u00e9mu v\u0161ak m\u016f\u017ee b\u00fdt i to m\u00e1lo.<\/span><b> Tlak na je\u0161t\u011b v\u011bt\u0161\u00ed v\u00fdkon tak bude pravd\u011bpodobn\u011b pokra\u010dovat<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><b>Jedn\u00edm z \u0159e\u0161en\u00ed je<\/b> <b>sharding<\/b><span style=\"font-weight: 400\">, tedy<\/span><b> rozd\u011blen\u00ed blockchainu na v\u00edce men\u0161\u00edch \u010d\u00e1st\u00ed (shard\u016f), z nich\u017e ka\u017ed\u00e1 zpracov\u00e1v\u00e1 transakce paraleln\u011b<\/b><span style=\"font-weight: 400\">. Tento princip v\u00fdrazn\u011b zrychluje provoz, ale v budoucnu m\u016f\u017ee b\u00fdt pot\u0159eba ho d\u00e1le roz\u0161i\u0159ovat.<\/span><\/p><figure id=\"attachment_5089\" aria-describedby=\"caption-attachment-5089\" style=\"width: 1107px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5089 lazyload\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"Tis\u00edc uzl\u016f lze rozd\u011blit do deseti shard\u016f po stovce uzl\u016f a dos\u00e1hnout tak desetin\u00e1sobn\u00e9ho zv\u00fd\u0161en\u00ed v\u00fdkonu. Zdroj: alchemy\" width=\"1107\" height=\"474\" sizes=\"auto, (max-width: 1107px) 100vw, 1107px\" data-src=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2.jpg\" data-srcset=\"https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2.jpg 1107w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2-300x128.jpg 300w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2-1024x438.jpg 1024w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2-768x329.jpg 768w, https:\/\/cimg.co\/wp-content\/uploads\/sites\/23\/2025\/11\/20122539\/1763641539-2-450x193.jpg 450w\"><figcaption id=\"caption-attachment-5089\" class=\"wp-caption-text\">Tis\u00edc uzl\u016f lze rozd\u011blit do deseti shard\u016f po stovce uzl\u016f a dos\u00e1hnout tak desetin\u00e1sobn\u00e9ho zv\u00fd\u0161en\u00ed v\u00fdkonu. Zdroj: alchemy<\/figcaption><\/figure><p><b>Velkou roli hraje tak\u00e9<\/b> <b>ekosyst\u00e9m sidechain\u016f<\/b><span style=\"font-weight: 400\">, jako nap\u0159\u00edklad Polygon. Ten funguje jako vrstva nav\u00e1zan\u00e1 na Ethereum, kter\u00e1 <\/span><b>pomoc\u00ed vlastn\u00edho PoS syst\u00e9mu zaji\u0161\u0165uje levn\u011bj\u0161\u00ed a rychlej\u0161\u00ed transakce<\/b><span style=\"font-weight: 400\">. Tyto \u0159et\u011bzce mohou b\u00fdt kl\u00ed\u010dov\u00e9 pro to, aby se PoS s\u00edt\u011b dok\u00e1zaly vypo\u0159\u00e1dat s rostouc\u00ed popt\u00e1vkou.<\/span><\/p><h3><span style=\"font-weight: 400\">Regulace a legislativn\u00ed tlak<\/span><\/h3><p><span style=\"font-weight: 400\">Regulace kryptom\u011bn je t\u00e9matem, kter\u00e9 se \u0159e\u0161\u00ed u\u017e roky, a <\/span><b>proof-of-stake se v tomto sm\u011bru m\u016f\u017ee brzy dostat do centra pozornosti.<\/b><span style=\"font-weight: 400\"> Zvl\u00e1\u0161t\u011b stakingov\u00e9 pooly \u2014 kter\u00e9 p\u0159edstavuj\u00ed ur\u010ditou formu komunitn\u00edho \u0159\u00edzen\u00ed \u2014 mohou b\u00fdt ter\u010dem zp\u0159\u00edsn\u011bn\u00e9ho dohledu.<\/span><\/p><p><span style=\"font-weight: 400\">Pokud by st\u00e1ty za\u010daly tyto slu\u017eby regulovat podobn\u011b jako tradi\u010dn\u00ed finan\u010dn\u00ed instituce, mohly by vy\u017eadovat <\/span><b>povinn\u00e9 AML\/KYC procesy <\/b><span style=\"font-weight: 400\">a<\/span><b> p\u0159\u00edsn\u011bj\u0161\u00ed ov\u011b\u0159ov\u00e1n\u00ed identity oper\u00e1tor\u016f uzl\u016f<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">V extr\u00e9mn\u00edm p\u0159\u00edpad\u011b by n\u011bkte\u0159\u00ed \u010dlenov\u00e9 komunity mohli vn\u00edmat tvrdou regulaci PoS jako krok zp\u011bt. <\/span><b>To by mohlo v\u00e9st k n\u00e1vratu \u010d\u00e1sti u\u017eivatel\u016f k proof-of-work, kter\u00fd je pova\u017eov\u00e1n za odoln\u011bj\u0161\u00ed v\u016f\u010di st\u00e1tn\u00edmu dohledu a cenzu\u0159e<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">Z\u00e1v\u011br: Je Proof-of-stake budoucnost blockchainu?<\/span><\/h2><p><span class=\"replacer\"><\/span><br>\n<span style=\"font-weight: 400\">Proof-of-stake p\u0159edstavuje efektivn\u011bj\u0161\u00ed, ekologi\u010dt\u011bj\u0161\u00ed a v\u00fdrazn\u011b \u0161k\u00e1lovateln\u011bj\u0161\u00ed alternativu k Proof-of-work. Stal se z\u00e1kladn\u00edm pil\u00ed\u0159em s\u00edt\u00ed jako <\/span><b>Ethereum, <\/b><a href=\"https:\/\/cryptonews.com\/cz\/kryptomeny\/co-je-solana\/\"><b>Solana<\/b><\/a><b>, Cardano<\/b><span style=\"font-weight: 400\"> nebo <\/span><b>Tezos<\/b><span style=\"font-weight: 400\">, ale z\u00e1rove\u0148 p\u0159in\u00e1\u0161\u00ed v\u00fdzvy:<\/span><\/p><ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">riziko centralizace ve stakingov\u00fdch poolech,<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">regula\u010dn\u00ed tlaky,<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">potenci\u00e1ln\u00ed nerovnost mezi valid\u00e1tory.<\/span><\/li>\n<\/ul><p><span style=\"font-weight: 400\">Jedno je ale jist\u00e9, <strong>p<\/strong><\/span><b>roof-of-stake bude hr\u00e1t kl\u00ed\u010dovou roli v tom, jak se blockchainov\u00fd ekosyst\u00e9m bude d\u00e1l vyv\u00edjet. <\/b><span style=\"font-weight: 400\">S r\u016fstem z\u00e1jmu o ekologick\u00e9 technologie lze o\u010dek\u00e1vat, \u017ee tento model bude nad\u00e1le dominovat \u2014 a <\/span><b>postupn\u011b se stane standardem pro v\u011bt\u0161inu modern\u00edch blockchain\u016f<\/b><span style=\"font-weight: 400\">.<\/span><\/p><h2><span style=\"font-weight: 400\">FAQ: Nej\u010dast\u011bj\u0161\u00ed dotazy k Proof-of-stake<\/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 vlastn\u011b Proof-of-stake a jak se li\u0161\u00ed od Proof-of-work?<\/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-stake je konsenzu\u00e1ln\u00ed mechanismus, ve kter\u00e9m s\u00ed\u0165 ov\u011b\u0159uj\u00ed valid\u00e1to\u0159i, kte\u0159\u00ed maj\u00ed uzam\u010den\u00e9 tokeny ve stakingu. Na rozd\u00edl od Proof-of-work nepot\u0159ebuje PoS extr\u00e9mn\u00ed v\u00fdpo\u010detn\u00ed v\u00fdkon ani energeticky n\u00e1ro\u010dnou t\u011b\u017ebu.<\/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 se mohu st\u00e1t valid\u00e1torem na PoS blockchainu?<\/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\">Sta\u010d\u00ed uzamknout ur\u010dit\u00e9 mno\u017estv\u00ed kryptom\u011bny do s\u00edt\u011b (nap\u0159\u00edklad 32 ETH u Etherea). Pot\u00e9 v\u00e1s m\u016f\u017ee algoritmus n\u00e1hodn\u011b vybrat k ov\u011b\u0159en\u00ed bloku a z\u00edsk\u00e1n\u00ed odm\u011bny.<\/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\">Co se stane, kdy\u017e valid\u00e1tor ud\u011bl\u00e1 chybu nebo se pokus\u00ed podv\u00e1d\u011bt?<\/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\">V PoS syst\u00e9mech existuje tzv. slashing \u2013 pokud valid\u00e1tor z\u00e1m\u011brn\u011b ov\u011b\u0159\u00ed neplatn\u00fd blok nebo je p\u0159i validaci offline, m\u016f\u017ee p\u0159ij\u00edt o \u010d\u00e1st nebo cel\u00fd sv\u016fj stake.<\/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\">Je Proof-of-stake bezpe\u010dn\u00fd a decentralizovan\u00fd?<\/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\">Obecn\u011b ano, proto\u017ee valid\u00e1to\u0159i mus\u00ed riskovat vlastn\u00ed kapit\u00e1l, a proto nemaj\u00ed motivaci s\u00ed\u0165 po\u0161kodit. Rizikem v\u0161ak mohou b\u00fdt velk\u00e9 stakingov\u00e9 pooly, kter\u00e9 mohou soust\u0159edit p\u0159\u00edli\u0161 velkou \u010d\u00e1st hlasovac\u00ed moci.<\/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\">Pro\u010d je Proof-of-stake pova\u017eov\u00e1n za ekologi\u010dt\u011bj\u0161\u00ed alternativu?<\/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\">PoS nevy\u017eaduje masivn\u00ed spot\u0159ebu energie ani t\u011b\u017eebn\u00ed za\u0159\u00edzen\u00ed. Nap\u0159\u00edklad Ethereum po p\u0159echodu z PoW na PoS sn\u00ed\u017eilo svou energetickou spot\u0159ebu o v\u00edce ne\u017e 99 %, \u010d\u00edm\u017e dramaticky omezilo svou uhl\u00edkovou stopu.<\/span><\/p>\r\n                <\/div><\/div><\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Proof-of-stake (\u010dasto ozna\u010dovan\u00fd jako PoS) je jeden z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch konsenzu\u00e1ln\u00edch mechanism\u016f v blockchainov\u00e9m sv\u011bt\u011b. Zaji\u0161\u0165uje, \u017ee transakce jsou ov\u011b\u0159ov\u00e1ny stakery \u2013 u\u017eivateli, kte\u0159\u00ed maj\u00ed uzam\u010den\u00e9 tokeny v s\u00edti. Tento princip zaji\u0161\u0165uje decentralizaci, bezpe\u010dnost a spr\u00e1vu cel\u00e9ho blockchainu \u2013 bez pot\u0159eby masivn\u00edch v\u00fdpo\u010detn\u00edch jednotek, jak\u00e9 vy\u017eaduje Proof-of-work.V\u0161echny transakce se ukl\u00e1daj\u00ed do blok\u016f a valid\u00e1to\u0159i, kte\u0159\u00ed se [&hellip;]<\/p>\n","protected":false},"author":638,"featured_media":5117,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"topics":[430],"class_list":["post-5082","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-stake? 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