{"id":2389,"date":"2021-08-03T17:28:52","date_gmt":"2021-08-03T15:28:52","guid":{"rendered":"https:\/\/simplecryptoguide.com\/?page_id=2389"},"modified":"2026-10-26T13:53:41","modified_gmt":"2026-10-26T12:53:41","slug":"what-is-bitcoin","status":"publish","type":"post","link":"https:\/\/simplecryptoguide.com\/cs\/what-is-bitcoin\/","title":{"rendered":"Bitcoin srozumiteln\u011b: ode\u0161lete, ov\u011b\u0159te a pochopte transakci BTC"},"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>Bitcoin srozumiteln\u011b: ode\u0161lete, ov\u011b\u0159te a pochopte transakci BTC<\/h1>\n<p>Bitcoin je s\u00ed\u0165 pro p\u0159evod hodnoty bez centr\u00e1ln\u00edho spr\u00e1vce \u00fa\u010dt\u016f. BTC je jej\u00ed vlastn\u00ed aktivum. Pen\u011b\u017eenka podepisuje pokyny k utracen\u00ed prost\u0159edk\u016f; nez\u00e1visl\u00e9 uzly je ov\u011b\u0159uj\u00ed podle spole\u010dn\u00fdch pravidel. Pochopen\u00ed procesu v\u00e1m pom\u016f\u017ee odli\u0161it skute\u010dnou platbu od z\u016fstatku v aplikaci a nezam\u011b\u0148ovat Bitcoin za token v jin\u00e9 s\u00edti.<\/p>\n<p class=\"scg-essential-task\">V\u00e1\u0161 \u00fakol: zkontrolovat s\u00ed\u0165 p\u0159\u00edjemce, sledovat transakci a vysv\u011btlit, kam ode\u0161la platba, vr\u00e1cen\u00fd zbytek a poplatek.<\/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\/bitcoin-network-ecosystem.png&#8221; alt=&#8221;Bitcoinov\u00e1 mince, t\u011b\u017eebn\u00ed krump\u00e1\u010d a propojen\u00e9 bloky zn\u00e1zor\u0148uj\u00edc\u00ed s\u00ed\u0165 Bitcoin&#8221; title_text=&#8221;Bitcoinov\u00e1 mince, t\u011b\u017eebn\u00ed krump\u00e1\u010d a propojen\u00e9 bloky zn\u00e1zor\u0148uj\u00edc\u00ed s\u00ed\u0165 Bitcoin&#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>T\u0159i \u010d\u00e1sti Bitcoinu s r\u016fzn\u00fdmi \u00fakoly<\/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>BTC a satoshi<\/h3>\n<p>Jeden BTC p\u0159edstavuje 100 milion\u016f satoshi, zkr\u00e1cen\u011b sats. M\u016f\u017eete koupit zlomek. Podle sou\u010dasn\u00fdch pravidel konsenzu se emise bl\u00ed\u017e\u00ed limitu 21 milion\u016f BTC; blokov\u00e1 dotace se ka\u017ed\u00fdch 210 000 blok\u016f p\u016fl\u00ed. Omezen\u00e1 nab\u00eddka nezaru\u010duje popt\u00e1vku, kupn\u00ed s\u00edlu ani r\u016fst ceny.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Pen\u011b\u017eenky a \u00faschova<\/h3>\n<p>Pen\u011b\u017eenka ve vlastn\u00ed spr\u00e1v\u011b spravuje kl\u00ed\u010de oprav\u0148uj\u00edc\u00ed k utr\u00e1cen\u00ed. Mince z\u016fst\u00e1vaj\u00ed evidovan\u00e9 v s\u00edti. Z\u016fstatek na burze je do v\u00fdb\u011bru pohled\u00e1vkou uvnit\u0159 syst\u00e9mu poskytovatele. Obnovovac\u00ed fr\u00e1ze m\u016f\u017ee obnovit kontrolu nad kompatibiln\u00ed pen\u011b\u017eenkou; kdo ji z\u00edsk\u00e1, m\u016f\u017ee tuto kontrolu p\u0159evz\u00edt tak\u00e9.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>T\u011b\u017ea\u0159i a uzly<\/h3>\n<p>T\u011b\u017ea\u0159i sout\u011b\u017e\u00ed prost\u0159ednictv\u00edm proof of work o navr\u017een\u00ed blok\u016f. Pln\u00e9 uzly nez\u00e1visle odm\u00edtaj\u00ed transakce a bloky poru\u0161uj\u00edc\u00ed jejich pravidla. T\u011b\u017eba nedovoluje libovoln\u011b vytv\u00e1\u0159et mince. Pr\u016fm\u011brn\u00fd interval blok\u016f je p\u0159ibli\u017en\u011b deset minut, jednotliv\u00e9 \u010dek\u00e1n\u00ed se v\u0161ak li\u0161\u00ed; odhad potvrzen\u00ed nen\u00ed p\u0159\u00edslib.<\/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>Projd\u011bte malou platbu<\/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>Sla\u010fte zp\u016fsob p\u0159ijet\u00ed<\/h3>\n<p>Po\u017eadujte od p\u0159\u00edjemce aktivum i s\u00ed\u0165, nejen adresu. Bitcoin na hlavn\u00edm \u0159et\u011bzci, faktura Lightning a zabalen\u00fd BTC na jin\u00e9 blockchainov\u00e9 s\u00edti jsou r\u016fzn\u00e9 cesty. Ob\u011b strany mus\u00ed podporovat stejnou. Zkontrolujte cel\u00fd c\u00edl na d\u016fv\u011bryhodn\u00e9m displeji a p\u0159\u00edpadn\u011b prove\u010fte mal\u00fd zku\u0161ebn\u00ed p\u0159evod.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Kontrolujte p\u0159ed podpisem<\/h3>\n<p>Ov\u011b\u0159te \u010d\u00e1stku p\u0159\u00edjemci, s\u00ed\u0165ov\u00fd poplatek a zb\u00fdvaj\u00edc\u00ed z\u016fstatek. On-chain poplatek z\u00e1vis\u00ed hlavn\u011b na velikosti transakce ve virtu\u00e1ln\u00edch bajtech a sazb\u011b sat\/vB, nikoli na pevn\u00e9m procentu odes\u00edlan\u00fdch BTC. Mnoho mal\u00fdch vstup\u016f m\u016f\u017ee velikost zv\u00fd\u0161it. Obnovovac\u00ed fr\u00e1zi nikdy nevkl\u00e1dejte do pr\u016fzkumn\u00edku ani formul\u00e1\u0159e podpory.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Ov\u011b\u0159te v\u00fdsledek<\/h3>\n<p>Otev\u0159ete ID transakce v pr\u016fzkumn\u00edku Bitcoinu. M\u00edsto sn\u00edmku obrazovky kontrolujte v\u00fdstupy a potvrzen\u00ed. Odesl\u00e1n\u00ed do s\u00edt\u011b nen\u00ed potvrzen\u00ed. Transakce v bloku m\u00e1 jedno potvrzen\u00ed; dal\u0161\u00ed bloky p\u0159id\u00e1vaj\u00ed dal\u0161\u00ed. P\u0159\u00edjemce nebo burza ur\u010duje po\u010det po\u017eadovan\u00fd p\u0159ed p\u0159ips\u00e1n\u00edm platby.<\/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>V\u00fdpo\u010det: platba, vr\u00e1cen\u00fd zbytek a poplatek<\/h2>\n<div class=\"scg-essential-equation\"><span>0.01000000 BTC<\/span><span>\u2192<\/span><strong>0.00400000 BTC<\/strong><span>+<\/span><span>0.00597000 BTC<\/span><span>+<\/span><span>0.00003000 BTC<\/span><\/div>\n<p>Pen\u011b\u017eenka utrat\u00ed jeden neutracen\u00fd transak\u010dn\u00ed v\u00fdstup (UTXO) o hodnot\u011b 0.01000000 BTC. Ode\u0161le 0.00400000 BTC p\u0159\u00edjemci a 0.00597000 BTC vr\u00e1t\u00ed na adresu pro zbytek, kterou ovl\u00e1d\u00e1. Rozd\u00edl 0.00003000 BTC neboli 3 000 sats je poplatek. P\u0159i ilustrativn\u00ed velikosti 150 vB odpov\u00edd\u00e1 20 sat\/vB. Vstup se spot\u0159ebuje cel\u00fd; platba a vr\u00e1cen\u00fd zbytek se stanou nov\u00fdmi UTXO. Dva v\u00fdstupy neznamenaj\u00ed dva n\u00e1kupy. \u010c\u00edsla vysv\u011btluj\u00ed \u00fa\u010detnictv\u00ed, nikoli aktu\u00e1ln\u00ed doporu\u010den\u00fd poplatek.<\/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 m\u011bn\u00ed v\u00fdsledek<\/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 adresu za d\u016fkaz identity<\/h3>\n<p>Adresa nedokazuje, kdo ji ovl\u00e1d\u00e1. Malware ve schr\u00e1nce, vyd\u00e1v\u00e1n\u00ed se za jinou osobu a fale\u0161n\u00e9 faktury mohou platbu p\u0159esm\u011brovat. Potvr\u010fte c\u00edl d\u016fv\u011bryhodn\u00fdm kan\u00e1lem. Bitcoin je pseudonymn\u00ed, nikoli automaticky anonymn\u00ed: ve\u0159ejn\u00e9 transakce mohou odhalit vazby mezi adresami.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>P\u0159edpokl\u00e1dat, \u017ee \u010dekaj\u00edc\u00ed p\u0159evod lze vr\u00e1tit<\/h3>\n<p>Odes\u00edlatel nem\u016f\u017ee jednodu\u0161e zru\u0161it potvrzenou platbu. N\u011bkter\u00e9 nepotvrzen\u00e9 transakce umo\u017e\u0148uj\u00ed nahrazen\u00ed s vy\u0161\u0161\u00edm poplatkem, ale podpora a podm\u00ednky se li\u0161\u00ed a \u00fasp\u011bch nen\u00ed zaru\u010den. P\u0159i zpo\u017ed\u011bn\u00ed ov\u011b\u0159te stav, ne\u017e ode\u0161lete druhou platbu, kter\u00e1 by tak\u00e9 mohla dorazit.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Zam\u011bnit ticker za aktivum<\/h3>\n<p>Platforma m\u016f\u017ee nab\u00edzet produkt ozna\u010den\u00fd BTC, deriv\u00e1t nebo zabalen\u00fd token m\u00edsto v\u00fdb\u011bru nativn\u00edho BTC. Ov\u011b\u0159te, co vlastn\u00edte, kdo dr\u017e\u00ed kl\u00ed\u010de a jak\u00e1 s\u00ed\u0165 v\u00fdb\u011bru je dostupn\u00e1. Lightning m\u00e1 vlastn\u00ed podm\u00ednky plateb a pen\u011b\u017eenek; nelze ho zam\u011bnit za on-chain adresu.<\/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: najd\u011bte vr\u00e1cen\u00fd zbytek<\/h2>\n<p>Transakce spot\u0159ebuje 0.02000000 BTC. P\u0159\u00edjemce dostane 0.00700000 BTC a poplatek \u010din\u00ed 0.00004000 BTC. Kolik se vr\u00e1t\u00ed odes\u00edlateli? Znamen\u00e1 tento v\u00fdstup, \u017ee p\u0159\u00edjemce dostal v\u00edce, ne\u017e po\u017eadoval?<\/p>\n<details>\n<summary>Zobrazit vysv\u011btlen\u00ed<\/summary>\n<p>Vr\u00e1cen\u00fd zbytek je 0.01296000 BTC: od vstupu ode\u010dt\u011bte platbu a poplatek. Pat\u0159\u00ed pen\u011b\u017eence ovl\u00e1daj\u00edc\u00ed adresu zbytku, nikoli nutn\u011b p\u0159\u00edjemci. Vlastnictv\u00ed ov\u011b\u0159te v transak\u010dn\u00edm p\u0159ehledu pen\u011b\u017eenky; pr\u016fzkumn\u00edk s\u00e1m nedok\u00e1\u017ee spolehliv\u011b ur\u010dit osoby za ka\u017edou adresou.<\/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>Pou\u017eijte znalosti v praxi<\/h2>\n<div class=\"scg-essential-actions\"><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/co-je-blockchain-explorer\/\">\u010ct\u011bte blockchainov\u00fd pr\u016fzkumn\u00edk<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kryptomenove-penezenky\/\">Vyberte a zabezpe\u010dte pen\u011b\u017eenku<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 krypto<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/cs\/kategorie\/jak-nakupovat\/buy-network-bitcoin\/\">Prozkoumejte ekosyst\u00e9m Bitcoinu<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 \u010detba<\/h2>\n<ul class=\"scg-essential-sources\">\n<li><a href=\"https:\/\/bitcoin.org\/en\/how-it-works\" target=\"_blank\" rel=\"noopener\">Bitcoin \u2014 how it works<\/a><\/li>\n<li><a href=\"https:\/\/developer.bitcoin.org\/devguide\/transactions.html\" target=\"_blank\" rel=\"noopener\">Bitcoin Developer Guide \u2014 transactions<\/a><\/li>\n<li><a href=\"https:\/\/developer.bitcoin.org\/devguide\/payment_processing.html\" target=\"_blank\" rel=\"noopener\">Bitcoin Developer Guide \u2014 payment processing<\/a><\/li>\n<li><a href=\"https:\/\/bitcoin.org\/en\/faq\" target=\"_blank\" rel=\"noopener\">Bitcoin \u2014 frequently asked questions<\/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>Pochopte Bitcoin pomoc\u00ed praktick\u00e9 transakce BTC, p\u0159\u00edkladu UTXO a vr\u00e1cen\u00e9ho zbytku, kontroly s\u00edt\u011b a cvi\u010den\u00ed o platb\u00e1ch a 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