{"id":18465,"date":"2026-05-28T10:00:46","date_gmt":"2026-05-28T10:00:46","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T22:00:00","slug":"jake-jsou-nejvetsi-myty-o-ethereu","status":"publish","type":"post","link":"https:\/\/prazirnakulhas.cz\/?p=18465","title":{"rendered":"Jak\u00e9 jsou nejv\u011bt\u0161\u00ed m\u00fdty o Ethereu?"},"content":{"rendered":"

M\u00fdtus 1: Ethereum je jen dal\u0161\u00ed Bitcoin<\/h2>\n

P\u0159esn\u011b to je nejv\u011bt\u0161\u00ed omyl, kter\u00fd potk\u00e1m p\u0159i k\u00e1vov\u00fdch rozhovorech. Bitcoin je digit\u00e1ln\u00ed zlato, Ethereum je programovateln\u00e1 platforma. Nemyslete si, \u017ee jde o kopii \u2013 je to \u00fapln\u011b jin\u00fd ekosyst\u00e9m, kde m\u016f\u017eete ps\u00e1t k\u00f3d, spou\u0161t\u011bt dApps a vytv\u00e1\u0159et tokeny. Tady se m\u00eds\u00ed finance s logikou, tak\u017ee \u010dist\u011b \u201edigit\u00e1ln\u00ed pen\u00edze\u201c u\u017e nesta\u010d\u00ed.<\/p>\n

M\u00fdtus 2: Smart kontrakty jsou nebezpe\u010dn\u00e9 a nefunk\u010dn\u00ed<\/h2>\n

\u0158\u00edk\u00e1 se, \u017ee jsou jako \u0161kr\u00e1bance v krabici \u2013 nic nesk\u00e1\u010de. Ve skute\u010dnosti jsou to autonomn\u00ed programy, kter\u00e9 se spou\u0161t\u00ed jen tehdy, kdy\u017e jsou spln\u011bny p\u0159eddefinovan\u00e9 podm\u00ednky. Jo, chyba v k\u00f3du m\u016f\u017ee zp\u016fsobit exploity, ale to neznamen\u00e1, \u017ee jsou inherentn\u011b nebezpe\u010dn\u00e9. Audity, form\u00e1ln\u00ed verifikace a testov\u00e1n\u00ed jsou b\u011b\u017enou prax\u00ed. Na rozd\u00edl od tradi\u010dn\u00edch smluv, smart kontrakty nevy\u017eaduj\u00ed not\u00e1\u0159e.<\/p>\n

M\u00fdtus 3: Poplatky jsou v\u017edy obrovsk\u00e9<\/h2>\n

Jeden z nej\u010dast\u011bj\u0161\u00edch argument\u016f proti Ethereu: \u201eCena za transakci je vy\u0161\u0161\u00ed ne\u017e moje hmotnost.\u201c Pravda je, \u017ee b\u011bhem \u0161pi\u010dek se cena zvedne, ale s upgrady jako EIP\u20111559 a p\u0159echodem na proof\u2011of\u2011stake se dynamika m\u011bn\u00ed. Nav\u00edc existuj\u00ed vrstvy (rollupy, sidechains), kter\u00e9 sni\u017euj\u00ed n\u00e1klady na milimetry. Nen\u00ed to tak, \u017ee byste zaplatili cel\u00fd majetek za p\u0159evod 0,01 ETH.<\/p>\n

M\u00fdtus 4: Ethereum je pomal\u00fd a ne\u0161k\u00e1lovateln\u00fd<\/h2>\n

Tohle m\u00fdtu se v\u011bnuje tolik \u010dasu, kolik mu\u017ei tr\u00e1v\u00ed sledov\u00e1n\u00edm sportu. S\u00ed\u0165 m\u00e1 limit \u2013 15 transakc\u00ed za sekundu \u2013 ale v\u00fdvoj\u00e1\u0159i pracuj\u00ed na \u0159e\u0161en\u00edch: sharding, optimistic rollups, zk\u2011SNARK rollups. Ka\u017ed\u00fd nov\u00fd upgrade je jako p\u0159id\u00e1n\u00ed dal\u0161\u00edch motor\u016f na sportovn\u00ed auto. Neexistuje \u017e\u00e1dn\u00fd permanentn\u00ed \u201epomal\u00fd\u201c stav, jen v\u00fdvojov\u00e1 f\u00e1ze.<\/p>\n

M\u00fdtus 5: Investice do Etherea je hazard<\/h2>\n

Rozumn\u00fd investor rozpozn\u00e1 riziko, ale to neznamen\u00e1, \u017ee se jedn\u00e1 o hazardn\u00ed hru. Historie ukazuje volatilitu, ale tak\u00e9 dlouhodob\u00fd r\u016fst a adopci v podnic\u00edch. Pro anal\u00fdzu sta\u010d\u00ed sledovat adop\u010dn\u00ed metriky, v\u00fdvoj\u00e1\u0159skou aktivitu a ekosyst\u00e9m kolem DeFi a NFT. Pokud jen h\u00e1z\u00edte mince, ztr\u00e1c\u00edte. Pokud rozum\u00edte technologii, m\u016f\u017eete z\u00edskat v\u00fdhodu.<\/p>\n

Kl\u00ed\u010dov\u00e9: nechte se nechat zm\u00e1st m\u00fdty, ale pod\u00edvejte se na data, a\u0165 u\u017e jde o gas, transakce nebo k\u00f3d. A tady je ta rychl\u00e1 rada \u2013 ud\u011blejte si test na testnetu, zkontrolujte kontrakt a teprve pak p\u0159ejd\u011bte na hlavn\u00ed s\u00ed\u0165. <\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00fdtus 1: Ethereum je jen dal\u0161\u00ed Bitcoin P\u0159esn\u011b to je nejv\u011bt\u0161\u00ed omyl, kter\u00fd potk\u00e1m p\u0159i k\u00e1vov\u00fdch rozhovorech. Bitcoin je digit\u00e1ln\u00ed zlato, Ethereum je programovateln\u00e1 platforma. Nemyslete si, \u017ee jde o kopii \u2013 je to \u00fapln\u011b jin\u00fd ekosyst\u00e9m, kde m\u016f\u017eete ps\u00e1t k\u00f3d, spou\u0161t\u011bt dApps a vytv\u00e1\u0159et tokeny. Tady se m\u00eds\u00ed finance s logikou, tak\u017ee \u010dist\u011b \u201edigit\u00e1ln\u00ed…<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_uag_custom_page_level_css":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-18465","post","type-post","status-publish","format-standard","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false},"uagb_author_info":{"display_name":"","author_link":"https:\/\/prazirnakulhas.cz\/?author=35"},"uagb_comment_info":0,"uagb_excerpt":"M\u00fdtus 1: Ethereum je jen dal\u0161\u00ed Bitcoin P\u0159esn\u011b to je nejv\u011bt\u0161\u00ed omyl, kter\u00fd potk\u00e1m p\u0159i k\u00e1vov\u00fdch rozhovorech. Bitcoin je digit\u00e1ln\u00ed zlato, Ethereum je programovateln\u00e1 platforma. Nemyslete si, \u017ee jde o kopii \u2013 je to \u00fapln\u011b jin\u00fd ekosyst\u00e9m, kde m\u016f\u017eete ps\u00e1t k\u00f3d, spou\u0161t\u011bt dApps a vytv\u00e1\u0159et tokeny. Tady se m\u00eds\u00ed finance s logikou, tak\u017ee \u010dist\u011b \u201edigit\u00e1ln\u00ed...","_links":{"self":[{"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=\/wp\/v2\/posts\/18465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18465"}],"version-history":[{"count":0,"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=\/wp\/v2\/posts\/18465\/revisions"}],"wp:attachment":[{"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prazirnakulhas.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}