{"id":1699,"date":"2021-06-24T16:45:59","date_gmt":"2021-06-24T14:45:59","guid":{"rendered":"https:\/\/simplecryptoguide.com\/?page_id=1699"},"modified":"2026-10-26T13:29:34","modified_gmt":"2026-10-26T12:29:34","slug":"what-is-blockchain","status":"publish","type":"post","link":"https:\/\/simplecryptoguide.com\/fi\/what-is-blockchain\/","title":{"rendered":"Lohkoketju selitettyn\u00e4: seuraa tapahtumaa lompakosta vahvistukseen"},"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>Lohkoketju selitettyn\u00e4: seuraa tapahtumaa lompakosta vahvistukseen<\/h1>\n<p>Lohkoketju tallentaa muutoksia toisiinsa liitettyihin lohkoihin ja antaa verkon osallistujien tarkistaa ne yhteisten s\u00e4\u00e4nt\u00f6jen perusteella. Se voi osoittaa, ett\u00e4 tapahtuma sis\u00e4llytettiin ketjuun, mutta ei todistaa myyj\u00e4n rehellisyytt\u00e4 tai omaisuuser\u00e4n hintapyynn\u00f6n oikeellisuutta.<\/p>\n<p class=\"scg-essential-task\">Teht\u00e4v\u00e4si: tunnista oikea verkko, seuraa yht\u00e4 tapahtumaa ja selit\u00e4 odottavan, sis\u00e4llytetyn ja lopullisen tapahtuman ero.<\/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\/layer-1-blockchain-foundation.png&#8221; alt=&#8221;Lohkoketjun perustaa kuvaava kuvitus toisiinsa liitetyist\u00e4 lohkoista&#8221; title_text=&#8221;Lohkoketjun perustaa kuvaava kuvitus toisiinsa liitetyist\u00e4 lohkoista&#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>Lohkoketjun kolme osaa<\/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>Tietueet ja viittaukset<\/h3>\n<p>Lohkot kokoavat tapahtumatietoja ja viittaavat aiempaan lohkoon kryptografisella tiivisteell\u00e4. Historiallisten tietojen muuttaminen rikkoo viittaukset. Manipulointi voidaan n\u00e4in havaita; kilpailevan historian torjuminen riippuu verkon konsensuss\u00e4\u00e4nn\u00f6ist\u00e4 ja turvallisuusoletuksista.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Solmut ja konsensus<\/h3>\n<p>Solmut tarkistavat, noudattavatko tapahtumat ja lohkot s\u00e4\u00e4nt\u00f6j\u00e4. Proof of work k\u00e4ytt\u00e4\u00e4 laskentaty\u00f6t\u00e4, proof of stake puolestaan validoijia, joiden varoja on panoksena. Kumpikaan ei ole pelkk\u00e4 verkkosivun k\u00e4ytt\u00e4jien \u00e4\u00e4nestys, eiv\u00e4tk\u00e4 louhijat voi tehd\u00e4 s\u00e4\u00e4nt\u00f6jenvastaisesta maksusta kelvollista hyv\u00e4ksym\u00e4ll\u00e4 sen.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Sovellukset ja ulkopuoliset tiedot<\/h3>\n<p>\u00c4lysopimus suorittaa ohjelmoituja s\u00e4\u00e4nt\u00f6j\u00e4. Joissakin j\u00e4rjestelmiss\u00e4 on p\u00e4ivitett\u00e4vi\u00e4 sopimuksia tai yll\u00e4pit\u00e4j\u00e4n valtuuksia: tarkista, kuka voi muuttaa niit\u00e4. Lohkoketju ei my\u00f6sk\u00e4\u00e4n itsen\u00e4isesti varmista toimitusta tai omistuskirjaa. Ulkopuoliset tosiasiat vaativat luotettuja tietol\u00e4hteit\u00e4 ja usein oikeudellisia j\u00e4rjestelyj\u00e4.<\/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>Seuraa siirtoa l\u00e4hett\u00e4m\u00e4tt\u00e4 rahaa<\/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>Valitse oikea verkko<\/h3>\n<p>K\u00e4yt\u00e4 aiempaa tapahtumaasi tai julkista esimerkki\u00e4. Avaa verkon lohkoketjuselain virallisen dokumentaation kautta. Sama osoite voi esiinty\u00e4 useissa verkoissa; Ethereum-tietue ei todista Base-talletuksen saapumista.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Lue tapahtumatiedot<\/h3>\n<p>Hae tapahtumatunnuksella ja vertaa vastaanottajaa, omaisuuser\u00e4\u00e4, m\u00e4\u00e4r\u00e4\u00e4 ja tilaa. Tarkista tokenien sopimusosoite ja siirtotapahtumat. Onnistunut sopimuskutsu voi sis\u00e4lt\u00e4\u00e4 useita siirtoja; sen n\u00e4kyv\u00e4 p\u00e4\u00e4arvo verkon omassa valuutassa voi olla nolla.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Tarkista sis\u00e4llytt\u00e4minen ja vastaanottajan s\u00e4\u00e4nn\u00f6t<\/h3>\n<p>Odottava tapahtuma ei ole viel\u00e4 lohkossa. Sis\u00e4llytt\u00e4minen ei tarkoita lopullisuutta, ja p\u00f6rssi voi vaatia lis\u00e4\u00e4 vahvistuksia ennen talletuksen kirjaamista. Ethereumissa peruutettu suoritus voi silti kuluttaa kaasua. Tallenna tiedot ennen tukipyynt\u00f6\u00e4; \u00e4l\u00e4 koskaan jaa palautussanoja.<\/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>Laskuesimerkki: laske vahvistukset<\/h2>\n<div class=\"scg-essential-equation\"><span>800<\/span><span>\u2192<\/span><span>801<\/span><span>\u2192<\/span><strong>802<\/strong><\/div>\n<p>T\u00e4ss\u00e4 yksinkertaistetussa proof-of-work-esimerkiss\u00e4 tapahtumasi on lohkossa 800 ja ketjun uusin lohko on 802. Vahvistuksia on kolme: oma lohko ja kaksi seuraavaa. Vastaanottava palvelu vaatii kuusi, joten odotat etk\u00e4 l\u00e4het\u00e4 maksua uudestaan. Ketjun uudelleenj\u00e4rjestely voi muuttaa m\u00e4\u00e4r\u00e4\u00e4 tai sis\u00e4llytt\u00e4mist\u00e4. Esimerkki ei ole yleinen turvallisuusraja eik\u00e4 kuvaa Ethereumin lopullisuutta.<\/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>Virheet, jotka johtavat v\u00e4\u00e4riin p\u00e4\u00e4telmiin<\/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>Selaimen k\u00e4ytt\u00e4minen henkil\u00f6llisyyden tarkistukseen<\/h3>\n<p>Osoite n\u00e4ytt\u00e4\u00e4 toimintaa, ei varmennettua henkil\u00f6n nime\u00e4. Osoitemerkinn\u00e4t voivat olla puutteellisia tai virheellisi\u00e4. Vahvista maksuohjeet luotettua kanavaa pitkin ja vertaa koko osoitetta, \u00e4l\u00e4 vain ensimm\u00e4isi\u00e4 merkkej\u00e4.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">2<\/span><\/p>\n<h3>Kaikkien lohkoketjujen olettaminen yksityisiksi<\/h3>\n<p>Monet julkiset ketjut n\u00e4ytt\u00e4v\u00e4t siirrot m\u00e4\u00e4r\u00e4\u00e4m\u00e4tt\u00f6m\u00e4n ajan. Osoitteesi julkaiseminen voi yhdist\u00e4\u00e4 my\u00f6hemm\u00e4n toiminnan sinuun. Luvanvaraisissa verkoissa on eri p\u00e4\u00e4sys\u00e4\u00e4nn\u00f6t; sana lohkoketju ei yksin kerro yksityisyydest\u00e4 tai hajautuksesta.<\/p>\n<\/div>\n<div class=\"scg-essential-card\"><span class=\"scg-essential-number\" aria-hidden=\"true\">3<\/span><\/p>\n<h3>Vahvistetun pit\u00e4minen palautettavana<\/h3>\n<p>Kelvollinen siirto v\u00e4\u00e4r\u00e4\u00e4n osoitteeseen on verkolle silti kelvollinen. Yleist\u00e4 maksunpalautuspalvelua ei ole. Vastaanottaja voi palauttaa varat vapaaehtoisesti, mutta palautumista ei pid\u00e4 olettaa mahdolliseksi.<\/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>Harjoitus: selvit\u00e4 puuttuva talletus<\/h2>\n<p>Selain n\u00e4ytt\u00e4\u00e4 onnistuneen siirron Basessa. P\u00f6rssin talletusn\u00e4kym\u00e4ss\u00e4 luki Ethereum. Todistaako onnistuminen, ett\u00e4 p\u00f6rssin on kirjattava talletus? Mit\u00e4 tarkistat seuraavaksi?<\/p>\n<details>\n<summary>N\u00e4yt\u00e4 selitys<\/summary>\n<p>Ei. Tila kuvaa suoritusta Basessa. Vertaa tarkkaa verkkoa, tokenin sopimusta ja vastaanotto-osoitetta p\u00f6rssin ohjeisiin. Lopeta lis\u00e4siirrot ja kysy p\u00f6rssin palautusk\u00e4yt\u00e4nn\u00f6st\u00e4 tapahtumatunnuksen avulla. Palautus voi olla mahdoton tai maksullinen; \u00e4l\u00e4 anna tuelle yksityist\u00e4 avaintasi.<\/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>Jatka tarkistusta seuraavan oppitunnin avulla<\/h2>\n<div class=\"scg-essential-actions\"><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/fi\/mika-on-blockchain-explorer\/\">Lue lohkoketjuselainta<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/fi\/kryptovaluutta-lompakot\/\">Yhdist\u00e4 lompakko ja verkko oikein<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/fi\/crypto-readiness-quiz\/\">Testaa kryptovalmiutesi<span aria-hidden=\"true\">\u2192<\/span><\/a><a class=\"scg-essential-button\" href=\"https:\/\/simplecryptoguide.com\/fi\/miten-ostaa-kryptovaluutta\/\">Etsi omaisuuser\u00e4n osto-opas<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 (kumppanilinkki)<\/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>L\u00e4hteet ja lis\u00e4lukeminen<\/h2>\n<ul class=\"scg-essential-sources\">\n<li><a href=\"https:\/\/ethereum.org\/developers\/docs\/intro-to-ethereum\/\" target=\"_blank\" rel=\"noopener\">Ethereum \u2014 blockchain and nodes<\/a><\/li>\n<li><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/transactions\/\" target=\"_blank\" rel=\"noopener\">Ethereum \u2014 transactions<\/a><\/li>\n<li><a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/smart-contracts\/upgrading\/\" target=\"_blank\" rel=\"noopener\">Ethereum \u2014 upgradeable contracts<\/a><\/li>\n<li><a href=\"https:\/\/developer.bitcoin.org\/devguide\/payment_processing.html\" target=\"_blank\" rel=\"noopener\">Bitcoin \u2014 confirmations<\/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; 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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>Ymm\u00e4rr\u00e4 lohkoketjun tietueet, konsensus ja vahvistukset tapahtumaohjeen, laskuesimerkin ja puuttuvaa talletusta k\u00e4sittelev\u00e4n harjoituksen avulla.<\/p>\n","protected":false},"author":1,"featured_media":3745,"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":[97],"tags":[808,807,806],"class_list":["post-1699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-beginner","tag-blockchain","tag-crypto","tag-cryptocurrency"],"_links":{"self":[{"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/posts\/1699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/comments?post=1699"}],"version-history":[{"count":1,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/posts\/1699\/revisions"}],"predecessor-version":[{"id":18793,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/posts\/1699\/revisions\/18793"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/media\/3745"}],"wp:attachment":[{"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/media?parent=1699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/categories?post=1699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/simplecryptoguide.com\/fi\/wp-json\/wp\/v2\/tags?post=1699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}