{"id":2298,"date":"2021-07-22T22:20:02","date_gmt":"2021-07-22T20:20:02","guid":{"rendered":"https:\/\/simplecryptoguide.com\/?page_id=2298"},"modified":"2026-10-26T07:58:39","modified_gmt":"2026-10-26T06:58:39","slug":"what-is-a-decentralized-exchange-dex","status":"publish","type":"post","link":"https:\/\/simplecryptoguide.com\/cs\/what-is-a-decentralized-exchange-dex\/","title":{"rendered":"Decentralizovan\u00e9 burzy: zkontrolujte swap p\u0159ed podpisem"},"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>Decentralizovan\u00e9 burzy: zkontrolujte swap p\u0159ed podpisem<\/h1>\n<p>Decentralizovan\u00e1 burza (DEX) umo\u017e\u0148uje obchodovat p\u0159es blockchainov\u00e9 kontrakty m\u00edsto b\u011b\u017en\u00e9ho burzovn\u00edho \u00fa\u010dtu. Vlastn\u00ed kl\u00ed\u010de m\u011bn\u00ed rizika, ale neodstra\u0148uj\u00ed je. Projd\u011bte jednoduchou sm\u011bnu token\u016f na stejn\u00e9 s\u00edti od ov\u011b\u0159en\u00ed aktiva po potvrzen\u00ed transakce.<\/p>\n<p class=\"scg-essential-task\">V\u00e1\u0161 \u00fakol: p\u0159ed schv\u00e1len\u00edm vysv\u011btlit opr\u00e1vn\u011bn\u00ed, minim\u00e1ln\u00ed p\u0159ijat\u00e9 mno\u017estv\u00ed a celkov\u00e9 n\u00e1klady.<\/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\/defi-decentralized-finance.png&#8221; alt=&#8221;Ilustrace DeFi pro kontrolu sm\u011bny token\u016f na DEX&#8221; title_text=&#8221;Ilustrace DeFi pro kontrolu sm\u011bny token\u016f na DEX&#8221; 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>Sledujte obchod ve t\u0159ech vrstv\u00e1ch<\/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>Pen\u011b\u017eenka: va\u0161e opr\u00e1vn\u011bn\u00ed<\/h3>\n<p>P\u0159ipojen\u00edm aplikace uvid\u00ed va\u0161i ve\u0159ejnou adresu. Schv\u00e1len\u00ed nebo podpis permit m\u016f\u017ee povolit utr\u00e1cen\u00ed token\u016f; swap provede sm\u011bnu. Jde o r\u016fzn\u00e9 \u00fakony. I podpis bez gas poplatku m\u016f\u017ee ud\u011blit cenn\u00e1 pr\u00e1va. Nikdy nezad\u00e1vejte obnovovac\u00ed fr\u00e1zi na obchodn\u00edm webu.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Router: navr\u017een\u00e1 trasa<\/h3>\n<p>Automatizovan\u00fd tv\u016frce trhu obchoduje proti rezerv\u00e1m poolu; DEX s knihou objedn\u00e1vek p\u00e1ruje objedn\u00e1vky. Agreg\u00e1tory mohou obchod rozd\u011blit mezi pooly \u010di jin\u00e9 syst\u00e9my. P\u0159e\u010dt\u011bte trasu a podm\u00ednky. Zn\u00e1m\u00e9 rozhran\u00ed neznamen\u00e1 d\u016fv\u011bryhodnost ka\u017ed\u00e9ho tokenu nebo kontraktu.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Blockchain: vypo\u0159\u00e1d\u00e1n\u00ed<\/h3>\n<p>Odeslan\u00e1 transakce \u010dek\u00e1 na zahrnut\u00ed do bloku. \u00dasp\u011b\u0161n\u00e9 potvrzen\u00ed dokl\u00e1d\u00e1 proveden\u00ed, ne legitimitu aktiva. Chyby kontrakt\u016f, \u0161kodliv\u00e9 tokeny, napaden\u00e9 weby a po\u0159ad\u00ed transakc\u00ed z\u016fst\u00e1vaj\u00ed riziky. Swap v jedn\u00e9 s\u00edti nep\u0159esouv\u00e1 aktiva na jin\u00fd blockchain.<\/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>Postup: nab\u00eddka a potom po\u017eadavek pen\u011b\u017eenky<\/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 s\u00ed\u0165 a aktivum<\/h3>\n<p>Otev\u0159ete protokol z ov\u011b\u0159en\u00e9ho ofici\u00e1ln\u00edho zdroje. Sjedno\u0165te s\u00ed\u0165 v aplikaci a pen\u011b\u017eence. Porovnejte celou adresu kontraktu s ofici\u00e1ln\u00ed dokumentac\u00ed a pr\u016fzkumn\u00edkem; symbol ani logo nejsou jednozna\u010dn\u00fdm identifik\u00e1torem. Ponechte nativn\u00ed m\u011bnu na gas pro schv\u00e1len\u00ed, swap i pozd\u011bj\u0161\u00ed p\u0159evody.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>P\u0159e\u010dt\u011bte celou nab\u00eddku<\/h3>\n<p>Zkontrolujte vstup, o\u010dek\u00e1van\u00fd v\u00fdstup, cenov\u00fd dopad, minimum a v\u0161echny poplatky. Cenov\u00fd dopad zp\u016fsobuje v\u00e1\u0161 obchod; skluz je zm\u011bna mezi nab\u00eddkou a proveden\u00edm. Vy\u0161\u0161\u00ed tolerance nezlep\u0161\u00ed \u0161patnou nab\u00eddku. Starou nab\u00eddku obnovte a p\u0159i nep\u0159ijateln\u00e9m v\u00fdsledku p\u0159ehodno\u0165te \u010d\u00e1stku nebo trasu.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Schvalte a ov\u011b\u0159te<\/h3>\n<p>V ka\u017ed\u00e9m po\u017eadavku zkontrolujte utr\u00e1cej\u00edc\u00ed kontrakt, token, limit a p\u0159\u00edpadn\u00e9 vypr\u0161en\u00ed. Omezte pr\u00e1va na to, \u010demu rozum\u00edte. Pot\u00e9 prov\u011b\u0159te hash ve spr\u00e1vn\u00e9m pr\u016fzkumn\u00edku: stav, kontrakt, mno\u017estv\u00ed a p\u0159\u00edjemce. Odpojen\u00ed aplikace neru\u0161\u00ed schv\u00e1len\u00ed token\u016f; nepou\u017e\u00edvan\u00e1 opr\u00e1vn\u011bn\u00ed kontrolujte zvl\u00e1\u0161\u0165.<\/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: minimum je hranice, nikoli slib<\/h2>\n<div class=\"scg-essential-equation\"><span>200 \u00d7 (1 \u2212 0.01)<\/span><span>=<\/span><strong>198<\/strong><\/div>\n<p>B\u011b\u017en\u00fd poolov\u00fd swap s pevn\u00fdm vstupem hypoteticky nab\u00edz\u00ed 200 token\u016f za 100 USDC. Tolerance 1 % d\u00e1v\u00e1 minimum 198. Poplatky poolu u\u017e jsou zahrnut\u00e9, gas je zvl\u00e1\u0161\u0165. Pokud by proveden\u00ed dalo 197, spr\u00e1vn\u011b vynucen\u00e9 minimum swap vr\u00e1t\u00ed zp\u011bt. Zahrnut\u00e1 ne\u00fasp\u011b\u0161n\u00e1 transakce m\u016f\u017ee p\u0159esto spot\u0159ebovat gas. P\u0159i 5 % je minimum 190: dovolujete hor\u0161\u00ed v\u00fdsledek, nesni\u017eujete cenov\u00fd dopad. \u010ct\u011bte skute\u010dn\u00e9 minimum v pen\u011b\u017eence \u010di objedn\u00e1vce, proto\u017ee syst\u00e9my se li\u0161\u00ed.<\/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>T\u0159i chyby p\u0159ed podpisem<\/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 symbol za d\u016fkaz<\/h3>\n<p>Dva kontrakty mohou m\u00edt stejn\u00e9 jm\u00e9no. Nez\u00e1visle ov\u011b\u0159te celou adresu a s\u00ed\u0165. Mal\u00fd \u00fasp\u011b\u0161n\u00fd n\u00e1kup nedokazuje pozd\u011bj\u0161\u00ed prodejnost ani nem\u011bnnost omezen\u00ed kontraktu.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Bezmy\u0161lenkovit\u011b schv\u00e1lit neomezenou \u00fatratu<\/h3>\n<p>Schv\u00e1len\u00ed m\u016f\u017ee ohrozit v\u00edce ne\u017e tuto sm\u011bnu. Ov\u011b\u0159te p\u0159\u00edstup kontraktu v\u010detn\u011b podepsan\u00fdch permit\u016f. Audit ani hardwarov\u00e1 pen\u011b\u017eenka ne\u010din\u00ed nebezpe\u010dn\u00e9 opr\u00e1vn\u011bn\u00ed ne\u0161kodn\u00fdm.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Sm\u011bnit cel\u00fd z\u016fstatek na gas<\/h3>\n<p>Tokeny jedn\u00e9 s\u00edt\u011b neplat\u00ed poplatky v jin\u00e9 jen kv\u016fli stejn\u00e9mu symbolu. Ponechte pot\u0159ebn\u00e9 gas aktivum. P\u0159ed nov\u00fdm odesl\u00e1n\u00edm zkontrolujte \u010dekaj\u00edc\u00ed transakci, abyste zabr\u00e1nili necht\u011bn\u00fdm opakovan\u00fdm obchod\u016fm.<\/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>Cvi\u010den\u00ed: odhalte nebezpe\u010dn\u00e9 rozhodnut\u00ed<\/h2>\n<p>Nab\u00eddka ukazuje 500 token\u016f, toleranci 2 % a samostatn\u00fd gas. Minimum vych\u00e1z\u00ed 490. Pen\u011b\u017eenka \u017e\u00e1d\u00e1 neomezenou \u00fatratu pro nezn\u00e1m\u00fd kontrakt. Podep\u00ed\u0161ete, proto\u017ee minimum sed\u00ed? Co kdy\u017e se transakce vr\u00e1t\u00ed zp\u011bt po zahrnut\u00ed?<\/p>\n<details>\n<summary>Zobrazit vysv\u011btlen\u00ed<\/summary>\n<p>Ne. V\u00fdpo\u010det kontroluje pouze v\u00fdstupn\u00ed hranici, ne opr\u00e1vn\u011bn\u00ed \u010di legitimitu. Zastavte a ov\u011b\u0159te kontrakt i rozsah. P\u0159i vr\u00e1cen\u00ed zahrnut\u00e9 transakce se zru\u0161\u00ed stavov\u00e9 zm\u011bny swapu, spot\u0159ebovan\u00fd gas v\u0161ak m\u016f\u017ee b\u00fdt \u00fa\u010dtov\u00e1n. Hranice 490 nechr\u00e1n\u00ed p\u0159ed v\u0161emi dal\u0161\u00edmi riziky.<\/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>Vyzkou\u0161ejte dal\u0161\u00ed krok<\/h2>\n<div class=\"scg-essential-actions\"><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kryptomenove-penezenky\/#withdrawal-network\">Ov\u011b\u0159it pen\u011b\u017eenku a s\u00ed\u0165<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/vysvetleni-rozpeti-nabidky-a-poptavky-a-skluzu\/\">Pochopit spread a skluz<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/co-je-blockchain-explorer\/\">Sledovat transakci v pr\u016fzkumn\u00edku<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kategorie\/jak-nakupovat\/buy-defi\/\">Prozkoumat n\u00e1kupn\u00ed pr\u016fvodce 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:\/\/developers.uniswap.org\/docs\/get-started\/concepts\/how-uniswap-works\" target=\"_blank\" rel=\"noopener\">Uniswap<\/a><\/li>\n<li><a href=\"https:\/\/support.uniswap.org\/hc\/en-us\/articles\/8120520483085-What-is-an-approval-transaction\" target=\"_blank\" rel=\"noopener\">Uniswap: approvals<\/a><\/li>\n<li><a href=\"https:\/\/support.uniswap.org\/hc\/en-us\/articles\/8643794102669-Price-Impact-vs-Price-Slippage\" target=\"_blank\" rel=\"noopener\">Uniswap: price impact \/ slippage<\/a><\/li>\n<li><a href=\"https:\/\/ethereum.org\/developers\/docs\/gas\/\" target=\"_blank\" rel=\"noopener\">Ethereum.org: gas<\/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; 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;0px||0px||true|false&#8221; custom_padding_phone=&#8221;18px||18px||true|false&#8221; custom_padding_last_edited=&#8221;on|phone&#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_code _builder_version=&#8221;4.27.9&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<style>body #page-container .scg-template-reading-column .scg-essential-lesson .et_pb_row.scg-essential-panel{padding:30px!important}@media(max-width:600px){body 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.et_pb_text{overflow-wrap:break-word}}<\/style>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ov\u011b\u0159te DEX swap: kontrakty, schv\u00e1len\u00ed, minim\u00e1ln\u00ed v\u00fdstup a gas. Praktick\u00fd v\u00fdpo\u010det nab\u00eddky a cvi\u010den\u00ed p\u0159ed podpisem.<\/p>\n","protected":false},"author":1,"featured_media":3761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[98],"tags":[794,793,792,129,130],"class_list":["post-2298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intermediate","tag-centralized-exchange","tag-cex","tag-decentralized-exchange","tag-defi","tag-dex"],"_links":{"self":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/2298","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=2298"}],"version-history":[{"count":1,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/2298\/revisions"}],"predecessor-version":[{"id":18774,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/posts\/2298\/revisions\/18774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/media\/3761"}],"wp:attachment":[{"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/media?parent=2298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/categories?post=2298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/cs\/wp-json\/wp\/v2\/tags?post=2298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}