{"id":36605,"date":"2018-02-22T10:00:44","date_gmt":"2018-02-22T09:00:44","guid":{"rendered":"http:\/\/e3mag.com\/?p=33886"},"modified":"2024-01-19T14:52:22","modified_gmt":"2024-01-19T13:52:22","slug":"what-is-blockchain","status":"publish","type":"post","link":"https:\/\/e3mag.com\/en\/was-ist-blockchain\/","title":{"rendered":"What is blockchain?"},"content":{"rendered":"<p>The concatenation is done via cryptographic hash entries, a kind of checksum. Each hash entry is created from all records of a list entry and is kept in both the preceding and the following list entry. The list entries are thus unalterably welded together, similar to a chain.<\/p>\n<p>Furthermore, blockchain is a completely redundant data storage. All data is held by all participants in the network and is constantly synchronized.<\/p><div id=\"great-2161212843\" class=\"great-fullsize-content-en great-entity-placement\" style=\"margin-bottom: 20px;\"><a data-no-instant=\"1\" href=\"https:\/\/www.youtube.com\/watch?v=6ZGXMPyM-nU\" rel=\"noopener\" class=\"a2t-link\" target=\"_blank\" aria-label=\"banner_26-04_29_1200x150\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1.jpg\" alt=\"\"  srcset=\"https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1.jpg 1200w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-400x50.jpg 400w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-768x96.jpg 768w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-100x13.jpg 100w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-480x60.jpg 480w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-640x80.jpg 640w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-720x90.jpg 720w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-960x120.jpg 960w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-1168x146.jpg 1168w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-18x2.jpg 18w, https:\/\/e3mag.com\/wp-content\/uploads\/2026\/03\/banner_26-04_29_1200x150-1-600x75.jpg 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" width=\"1200\" height=\"150\"  style=\" max-width: 100%; height: auto;\" \/><\/a><\/div>\n<p>The real bottom line, however, is the programmability of the network via smart contracts. A smart contract is a small program that is imported into the blockchain and, like other data, is kept in the blockchain in a redundant and unchangeable form.<\/p>\n<p>The interaction of smart contracts, data and events, i.e. predefined events, makes it possible to map certain processes in a forgery-proof and trustworthy manner, which until now could only be realized via intermediaries.<\/p>\n<p><a href=\"https:\/\/e3mag.com\/partners\/camelot-itlab-gmbh\/\"><img loading=\"lazy\" decoding=\"async\" title=\"What is blockchain?\" class=\"aligncenter wp-image-11359 size-full\" src=\"https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT.jpg\" alt=\"https:\/\/e3mag.com\/partners\/camelot-itlab-gmbh\/\" width=\"1000\" height=\"112\" srcset=\"https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT.jpg 1000w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-768x86.jpg 768w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-100x11.jpg 100w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-480x54.jpg 480w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-640x72.jpg 640w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-720x81.jpg 720w, https:\/\/e3mag.com\/wp-content\/uploads\/2017\/03\/CI-CAMELOT-960x108.jpg 960w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>With blockchain, we are talking about a technology with disruptive properties. It is a chained list in which each list entry (block) can comprise one or more data records.<\/p>","protected":false},"author":1406,"featured_media":36808,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","footnotes":""},"categories":[2,20719,161],"tags":[887,886,1177],"coauthors":[21847],"class_list":["post-36605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sap-nachrichten","category-mag-1803","category-szene","tag-bitcoin","tag-blockchain","tag-disruptiv","pmpro-has-access"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"thumbnail":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-150x150.jpg",150,150,true],"medium":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",400,172,false],"medium_large":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-768x329.jpg",768,329,true],"large":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"image-100":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-100x43.jpg",100,43,true],"image-480":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-480x206.jpg",480,206,true],"image-640":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-640x275.jpg",640,275,true],"image-720":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-720x309.jpg",720,309,true],"image-960":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-960x412.jpg",960,412,true],"image-1168":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"image-1440":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"image-1920":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"1536x1536":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"2048x2048":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"trp-custom-language-flag":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",18,8,false],"bricks_large_16x9":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"bricks_large":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"bricks_large_square":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",1000,429,false],"bricks_medium":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",600,257,false],"bricks_medium_square":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain.jpg",600,257,false],"profile_24":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-24x24.jpg",24,24,true],"profile_48":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-48x48.jpg",48,48,true],"profile_96":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-96x96.jpg",96,96,true],"profile_150":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-150x150.jpg",150,150,true],"profile_300":["https:\/\/e3mag.com\/wp-content\/uploads\/2018\/04\/shutterstock_760467970_chain-300x300.jpg",300,300,true]},"post_excerpt_stackable_v2":"<p>Bei Blockchain sprechen wir von einer Technologie mit disruptiven Eigenschaften. Es handelt sich dabei um eine verkettete Liste, bei der jeder Listeneintrag (Block) einen oder mehrere Datens\u00e4tze umfassen kann.<\/p>\n","category_list_v2":"<a href=\"https:\/\/e3mag.com\/en\/category\/sap-nachrichten\/\" rel=\"category tag\">Community Nachrichten<\/a>, <a href=\"https:\/\/e3mag.com\/en\/category\/mag-1803\/\" rel=\"category tag\">MAG 18-03<\/a>, <a href=\"https:\/\/e3mag.com\/en\/category\/szene\/\" rel=\"category tag\">Szene<\/a>","author_info_v2":{"name":"Dr. Josef Packowski, Camelot","url":"https:\/\/e3mag.com\/en\/author\/josef-packowski\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/posts\/36605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/users\/1406"}],"replies":[{"embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/comments?post=36605"}],"version-history":[{"count":1,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/posts\/36605\/revisions"}],"predecessor-version":[{"id":138148,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/posts\/36605\/revisions\/138148"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/media\/36808"}],"wp:attachment":[{"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/media?parent=36605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/categories?post=36605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/tags?post=36605"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/e3mag.com\/en\/wp-json\/wp\/v2\/coauthors?post=36605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}