{"id":8502,"date":"2022-02-20T14:02:43","date_gmt":"2022-02-20T13:02:43","guid":{"rendered":"https:\/\/simplecryptoguide.com\/?p=8502"},"modified":"2026-10-26T14:37:40","modified_gmt":"2026-10-26T13:37:40","slug":"what-is-web-3","status":"publish","type":"post","link":"https:\/\/simplecryptoguide.com\/cs\/what-is-web-3\/","title":{"rendered":"Web3 srozumiteln\u011b: zjist\u011bte, co po v\u00e1s pen\u011b\u017eenka \u017e\u00e1d\u00e1"},"content":{"rendered":"<div data-no-translation><p>[et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;40px||40px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; background_color=&#8221;#fff8d8&#8243;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;2_3,1_3&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; module_class=&#8221;scg-essential-hero&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;2_3&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221; header_font_size=&#8221;42px&#8221;]<\/p>\n<div class=\"scg-essential-breadcrumb\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n<h1>Web3 srozumiteln\u011b: zjist\u011bte, co po v\u00e1s pen\u011b\u017eenka \u017e\u00e1d\u00e1<\/h1>\n<p>Web3 ozna\u010duje aplikace, kter\u00e9 pro \u010d\u00e1st sv\u00fdch funkc\u00ed vyu\u017e\u00edvaj\u00ed blockchainy, pen\u011b\u017eenky a sd\u00edlen\u00e9 protokoly. Pat\u0159\u00ed sem sm\u011bna token\u016f, vlastnictv\u00ed sb\u011bratelsk\u00fdch p\u0159edm\u011bt\u016f nebo komunitn\u00ed spr\u00e1va. Nejde o dal\u0161\u00ed internet, do kter\u00e9ho mus\u00edte vstoupit, a ozna\u010den\u00ed Web3 nezaru\u010duje decentralizaci, soukrom\u00ed ani bezpe\u010dnost. D\u016fle\u017eit\u00e9 je, co ovl\u00e1d\u00e1te vy a co st\u00e1le z\u00e1vis\u00ed na provozovateli.<\/p>\n<p class=\"scg-essential-task\">V\u00e1\u0161 \u00fakol: rozli\u0161it p\u0159ipojen\u00ed pen\u011b\u017eenky, podpis a opr\u00e1vn\u011bn\u00ed utr\u00e1cet tokeny, ne\u017e posoud\u00edte, zda po\u017eadavek odpov\u00edd\u00e1 va\u0161emu z\u00e1m\u011bru.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;1_3&#8243;][et_pb_image _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; src=&#8221;https:\/\/simplecryptoguide.com\/wp-content\/uploads\/2026\/10\/crypto-community-message-board.png&#8221; alt=&#8221;Bubliny s propojen\u00fdmi blockchainov\u00fdmi uzly zn\u00e1zor\u0148uj\u00edc\u00ed aplikace a komunity Web3&#8243; title_text=&#8221;Bubliny s propojen\u00fdmi blockchainov\u00fdmi uzly zn\u00e1zor\u0148uj\u00edc\u00ed aplikace a komunity Web3&#8243; align=&#8221;center&#8221; max_width=&#8221;260px&#8221; custom_margin=&#8221;0px|auto|0px|auto|true|true&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;concept-map&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>T\u0159i vrstvy aplikace Web3<\/h2>\n<div class=\"scg-essential-grid scg-essential-flow\">\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">1<\/span><\/p>\n<h3>Web je u\u017eivatelsk\u00e9 rozhran\u00ed<\/h3>\n<p>Str\u00e1nka v prohl\u00ed\u017ee\u010di zobrazuje informace a navrhuje akce. Dom\u00e9nu, hosting, v\u00fdsledky vyhled\u00e1v\u00e1n\u00ed i podporu m\u016f\u017ee ovl\u00e1dat firma nebo \u00fato\u010dn\u00edk. Zn\u00e1m\u00fd vzhled nedokazuje, \u017ee komunikujete se spr\u00e1vn\u00fdm kontraktem. Pouh\u00e9 prohl\u00ed\u017een\u00ed \u010di ov\u011b\u0159en\u00ed ve\u0159ejn\u00e9 adresy by nem\u011blo vy\u017eadovat obnovovac\u00ed fr\u00e1zi.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Pen\u011b\u017eenka spravuje va\u0161e opr\u00e1vn\u011bn\u00ed<\/h3>\n<p>Pen\u011b\u017eenka spravuje kl\u00ed\u010de a \u017e\u00e1d\u00e1 v\u00e1s o schv\u00e1len\u00ed akc\u00ed. Z\u00e1kladn\u00ed p\u0159ipojen\u00ed obvykle sd\u00edl\u00ed vybran\u00e9 ve\u0159ejn\u00e9 \u00fadaje \u00fa\u010dtu; samo o sob\u011b nepovoluje utr\u00e1cen\u00ed token\u016f. \u010ct\u011bte ka\u017ed\u00fd po\u017eadavek, proto\u017ee pen\u011b\u017eenky podporuj\u00ed i pokro\u010dilej\u0161\u00ed opr\u00e1vn\u011bn\u00ed. Ve\u0159ejn\u00e9 adresy a historie transakc\u00ed jsou na ve\u0159ejn\u00fdch blockchainech viditeln\u00e9 i bez p\u0159ipojen\u00ed k webu.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Kontrakty vykon\u00e1vaj\u00ed pravidla<\/h3>\n<p>Chytr\u00fd kontrakt prov\u00e1d\u00ed naprogramovan\u00e1 pravidla na blockchainu. Tokeny mohou p\u0159edstavovat z\u016fstatky, hlasovac\u00ed pr\u00e1va nebo p\u0159\u00edstup, ale ne ka\u017ed\u00e1 u\u017eite\u010dn\u00e1 aplikace pot\u0159ebuje vlastn\u00ed token. Zjist\u011bte, zda spr\u00e1vce m\u016f\u017ee kontrakt aktualizovat, pozastavit nebo zm\u011bnit. Rozhran\u00ed, poskytovatel\u00e9 dat a hostovan\u00e9 uzly mohou z\u016fstat centralizovan\u00e9, i kdy\u017e vypo\u0159\u00e1d\u00e1n\u00ed prob\u00edh\u00e1 na blockchainu.<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;walkthrough&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Ov\u011b\u0159te po\u017eadavek ve t\u0159ech kroc\u00edch<\/h2>\n<div class=\"scg-essential-grid\">\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">1<\/span><\/p>\n<h3>Ov\u011b\u0159te c\u00edl a s\u00ed\u0165<\/h3>\n<p>Za\u010dn\u011bte na nez\u00e1visle ov\u011b\u0159en\u00e9 adrese projektu, nikoli u nevy\u017e\u00e1dan\u00e9 zpr\u00e1vy nebo sponzorovan\u00e9ho v\u00fdsledku. Zkontrolujte s\u00ed\u0165, \u00fa\u010det a c\u00edlov\u00fd kontrakt v pen\u011b\u017eence. Samotn\u00fd ticker tokenu k identifikaci kontraktu nesta\u010d\u00ed. Ne\u017e p\u0159ipoj\u00edte \u00fa\u010det s cenn\u00fdmi aktivy, p\u0159e\u010dt\u011bte si navrhovanou akci.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Zjist\u011bte, co povolujete<\/h3>\n<p>Podpis zpr\u00e1vy v\u00e1s m\u016f\u017ee p\u0159ihl\u00e1sit, ale jin\u00e9 podpisy mohou schv\u00e1lit objedn\u00e1vky nebo utr\u00e1cen\u00ed token\u016f. Nulov\u00fd poplatek za gas neznamen\u00e1 nulov\u00e9 riziko. Schv\u00e1len\u00ed nebo permit m\u016f\u017ee konkr\u00e9tn\u00edmu p\u0159\u00edjemci opr\u00e1vn\u011bn\u00ed zp\u0159\u00edstupnit konkr\u00e9tn\u00ed token. Transakce m\u016f\u017ee p\u0159esouvat prost\u0159edky \u010di m\u011bnit stav blockchainu. Pokud pen\u011b\u017eenka nezobraz\u00ed srozumitelnou akci nebo ji nedok\u00e1\u017eete vysv\u011btlit, zastavte se a nepodepisujte naslepo.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Zkontrolujte rozsah a n\u00e1sledn\u00fd v\u00fdsledek<\/h3>\n<p>U podporovan\u00e9ho opr\u00e1vn\u011bn\u00ed k token\u016fm prov\u011b\u0159te token, p\u0159\u00edjemce opr\u00e1vn\u011bn\u00ed a \u010d\u00e1stku. Je-li to praktick\u00e9, omezte opr\u00e1vn\u011bn\u00ed na zam\u00fd\u0161len\u00fd \u00fakol. Odhad gasu posuzujte zvl\u00e1\u0161\u0165. Po transakci ov\u011b\u0159te stav a skute\u010dn\u00e9 zm\u011bny token\u016f v pen\u011b\u017eence \u010di pr\u016fzkumn\u00edku. Odpojen\u00ed webu ru\u0161\u00ed p\u0159ipojen\u00ed, nikoli automaticky dosud platn\u00e9 opr\u00e1vn\u011bn\u00ed utr\u00e1cet tokeny.<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;worked-example&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; module_class=&#8221;scg-essential-panel&#8221; background_color=&#8221;#fff8d8&#8243; custom_padding_phone=&#8221;22px|18px|22px|18px|true|true&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|16px|16px|16px|16px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#e5d89e&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>P\u0159\u00edklad: platba nen\u00ed tot\u00e9\u017e co limit opr\u00e1vn\u011bn\u00ed<\/h2>\n<div class=\"scg-essential-equation\"><span>25 TOKEN<\/span><span>\u2260<\/span><strong>10,000 TOKEN<\/strong><\/div>\n<p>V aplikaci chcete pou\u017e\u00edt 25 jednotek fiktivn\u00edho TOKEN. Pen\u011b\u017eenka ale \u017e\u00e1d\u00e1 o limit 10 000 TOKEN pro ur\u010dit\u00fd kontrakt. Jde o opr\u00e1vn\u011bn\u00ed a\u017e na 400n\u00e1sobek zam\u00fd\u0161len\u00e9 \u010d\u00e1stky, nikoli o potvrzen\u00ed platby 25 token\u016f. B\u011b\u017en\u00fd limit plat\u00ed pro dan\u00fd token, p\u0159\u00edjemce opr\u00e1vn\u011bn\u00ed a s\u00ed\u0165; dokud je platn\u00fd, m\u016f\u017ee ohrozit i budouc\u00ed vklady. Nejd\u0159\u00edv ov\u011b\u0159te kontrakt a pot\u00e9 sni\u017ete limit na 25, pokud to postup podporuje, nebo po\u017eadavek odm\u00edtn\u011bte. Ni\u017e\u0161\u00ed limit omezuje \u010d\u00e1stku vystavenou tomuto opr\u00e1vn\u011bn\u00ed, nikoli d\u016fv\u011bryhodnost kontraktu. Samotn\u00fd n\u00e1kup \u010di vklad je zvl\u00e1\u0161tn\u00ed akce, pokud aplikace kroky v\u00fdslovn\u011b nespojuje.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;common-mistakes&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Chyby, kter\u00e9 vytv\u00e1\u0159ej\u00ed zbyte\u010dn\u00e9 riziko<\/h2>\n<div class=\"scg-essential-grid\">\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">1<\/span><\/p>\n<h3>Pova\u017eovat podpis za ne\u0161kodn\u00e9 p\u0159ihl\u00e1\u0161en\u00ed<\/h3>\n<p>\u010ct\u011bte dom\u00e9nu, \u00fa\u010del, rozsah token\u016f a dobu platnosti, pokud jsou uvedeny. N\u011bkter\u00e9 podpisy mimo blockchain lze pozd\u011bji pou\u017e\u00edt ke schv\u00e1len\u00ed akc\u00ed na blockchainu. Bezplatn\u00fd podpis nemus\u00ed b\u00fdt ne\u0161kodn\u00e1 zpr\u00e1va. Neschvalujte po\u017eadavek jen proto, \u017ee \u00fadajn\u00e1 podpora tvrd\u00ed, \u017ee je nutn\u00fd k odem\u010den\u00ed prost\u0159edk\u016f.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Zam\u011b\u0148ovat vlastnictv\u00ed za zaru\u010den\u00fd p\u0159\u00edstup<\/h3>\n<p>Dr\u017een\u00ed tokenu nezaru\u010duje, \u017ee jeho web, obr\u00e1zek nebo tr\u017ei\u0161t\u011b z\u016fstanou dostupn\u00e9. Tokeny pro spr\u00e1vu automaticky nep\u0159in\u00e1\u0161ej\u00ed skute\u010dnou kontrolu, pokud je hlasov\u00e1n\u00ed soust\u0159ed\u011bn\u00e9 nebo spr\u00e1vce m\u016f\u017ee rozhodnut\u00ed p\u0159epsat. Zji\u0161\u0165ujte, co je ulo\u017eeno na blockchainu, co z\u00e1vis\u00ed na extern\u00edch serverech a kdo m\u016f\u017ee oboj\u00ed zm\u011bnit.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Myslet si, \u017ee odpojen\u00ed znamen\u00e1 zru\u0161en\u00ed opr\u00e1vn\u011bn\u00ed<\/h3>\n<p>Odpojen\u00ed webu a zru\u0161en\u00ed tokenov\u00e9ho opr\u00e1vn\u011bn\u00ed jsou odli\u0161n\u00e9 operace. Opr\u00e1vn\u011bn\u00ed kontrolujte p\u0159es d\u016fv\u011bryhodnou pen\u011b\u017eenku \u010di pr\u016fzkumn\u00edk ve spr\u00e1vn\u00e9 s\u00edti. Zru\u0161en\u00ed na blockchainu zpravidla stoj\u00ed gas a m\u011bn\u00ed budouc\u00ed opr\u00e1vn\u011bn\u00ed; nevrac\u00ed ji\u017e p\u0159eveden\u00e1 aktiva. Nepou\u017e\u00edvejte n\u00e1hodn\u011b zaslan\u00fd odkaz na \u201e\u010disti\u010d pen\u011b\u017eenky\u201c.<\/p>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;practice&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;30px|30px|30px|30px|true|true&#8221; module_class=&#8221;scg-essential-panel&#8221; background_color=&#8221;#fff8d8&#8243; custom_padding_phone=&#8221;22px|18px|22px|18px|true|true&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; border_radii=&#8221;on|16px|16px|16px|16px&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#e5d89e&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Vyzkou\u0161ejte si posouzen\u00ed po\u017eadavku<\/h2>\n<p>Chcete vlo\u017eit 20 TOKEN. Web \u017e\u00e1d\u00e1 o opr\u00e1vn\u011bn\u00ed na 5 000 TOKEN a tvrd\u00ed, \u017ee pozd\u011bj\u0161\u00ed odpojen\u00ed opr\u00e1vn\u011bn\u00ed odstran\u00ed. Co je na vysv\u011btlen\u00ed \u0161patn\u011b a co m\u00e1te p\u0159ed pokra\u010dov\u00e1n\u00edm ov\u011b\u0159it?<\/p>\n<details>\n<summary>Zobrazit vysv\u011btlen\u00ed<\/summary>\n<p>Limit je 250n\u00e1sobkem pl\u00e1novan\u00e9ho vkladu. Odpojen\u00ed jej neru\u0161\u00ed. Ov\u011b\u0159te web, s\u00ed\u0165, kontrakt tokenu i p\u0159\u00edjemce opr\u00e1vn\u011bn\u00ed; prov\u011b\u0159te po\u017eadovan\u00fd rozsah a pou\u017eijte vhodn\u00fd ni\u017e\u0161\u00ed limit, pokud je podporov\u00e1n, nebo po\u017eadavek odm\u00edtn\u011bte. Vklad potvr\u010fte samostatn\u011b a n\u00e1sledn\u011b zkontrolujte zb\u00fdvaj\u00edc\u00ed opr\u00e1vn\u011bn\u00ed. \u00dasp\u011b\u0161n\u00e1 transakce ani omezen\u00fd limit nedokazuj\u00ed bezpe\u010dnost aplikace.<\/p>\n<\/details>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;next-steps&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Procvi\u010dte kontroly p\u0159ed pou\u017eit\u00edm aplikace<\/h2>\n<div class=\"scg-essential-actions\"><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kryptomenove-penezenky\/\">Poznejte kryptom\u011bnov\u00e9 pen\u011b\u017eenky<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/jak-udrzet-svou-kryptomenu-bezpecnou\/\">Chra\u0148te kl\u00ed\u010de a opr\u00e1vn\u011bn\u00ed<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/crypto-readiness-quiz\/\">Ov\u011b\u0159te svou p\u0159ipravenost na kryptom\u011bny<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kategorie\/jak-nakupovat\/buy-defi\/\">Prohl\u00e9dn\u011bte si pr\u016fvodce n\u00e1kupem DeFi<span aria-hidden=\"true\">\u2192<\/span><\/a><\/div>\n<p class=\"scg-essential-sources\"><a href=\"https:\/\/accounts.binance.com\/en\/register?ref=RP2JHHRW\" rel=\"sponsored nofollow noopener\" target=\"_blank\">Binance (partnersk\u00fd odkaz)<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; fb_built=&#8221;1&#8243; module_class=&#8221;scg-handbook scg-essential-lesson&#8221; custom_padding=&#8221;26px||26px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#8221; module_id=&#8221;sources&#8221;][et_pb_row _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; column_structure=&#8221;4_4&#8243; width=&#8221;92%&#8221; max_width=&#8221;1120px&#8221; custom_padding=&#8221;0px||0px||false|false&#8221;][et_pb_column _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; type=&#8221;4_4&#8243;][et_pb_text _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; text_font=&#8221;Inter||||||||&#8221; text_font_size=&#8221;17px&#8221; text_text_color=&#8221;#354554&#8243; text_line_height=&#8221;1.7em&#8221; header_font=&#8221;Inter|700|||||||&#8221; header_text_color=&#8221;#10202b&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#10202b&#8221; header_2_font_size=&#8221;30px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; header_3_font=&#8221;Inter|700|||||||&#8221; header_3_text_color=&#8221;#10202b&#8221; custom_margin=&#8221;0px||0px||false|false&#8221;]<\/p>\n<h2>Zdroje a dal\u0161\u00ed \u010dten\u00ed<\/h2>\n<ul class=\"scg-essential-sources\">\n<li><a href=\"https:\/\/ethereum.org\/web3\/\" target=\"_blank\" rel=\"noopener\">Ethereum \u2014 introduction to Web3<\/a><\/li>\n<li><a href=\"https:\/\/support.metamask.io\/more-web3\/dapps\/manage-dapp-permissions\" target=\"_blank\" rel=\"noopener\">MetaMask \u2014 dapp permissions<\/a><\/li>\n<li><a href=\"https:\/\/support.metamask.io\/configure\/tokens\/how-to-customize-token-approvals-with-a-spending-cap\/\" target=\"_blank\" rel=\"noopener\">MetaMask \u2014 spending caps<\/a><\/li>\n<li><a href=\"https:\/\/support.metamask.io\/hc\/en-us\/articles\/4446106184731\" target=\"_blank\" rel=\"noopener\">MetaMask \u2014 revoking token approvals<\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; 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token\u016fm na p\u0159\u00edkladu limitu, praktick\u00fdch kontrol\u00e1ch a kr\u00e1tk\u00e9m cvi\u010den\u00ed.<\/p>\n","protected":false},"author":1,"featured_media":8510,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[97],"tags":[1119,1120,1117,1118,1121,1116],"class_list":["post-8502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-beginner","tag-web-1-0","tag-web-2-0","tag-web-3","tag-web-3-0","tag-web-3-0-use-cases","tag-web3"],"_links":{"self":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/8502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/comments?post=8502"}],"version-history":[{"count":1,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/8502\/revisions"}],"predecessor-version":[{"id":18797,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/8502\/revisions\/18797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/media\/8510"}],"wp:attachment":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/media?parent=8502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/categories?post=8502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/tags?post=8502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}