{"id":1367,"date":"2021-05-27T16:18:46","date_gmt":"2021-05-27T16:18:46","guid":{"rendered":"https:\/\/coinmuhendisi.com\/?p=1367"},"modified":"2025-09-30T10:32:59","modified_gmt":"2025-09-30T07:32:59","slug":"blokchain-nedir","status":"publish","type":"post","link":"https:\/\/coinmuhendisi.com\/blog\/blokchain-nedir\/","title":{"rendered":"Blockchain Nedir?"},"content":{"rendered":"\r\n<p data-start=\"133\" data-end=\"322\">G\u00fcn\u00fcm\u00fczde dijitalle\u015fmenin h\u0131z kazanmas\u0131yla birlikte s\u0131k\u00e7a duydu\u011fumuz kavramlardan biri de <strong data-start=\"223\" data-end=\"237\">Blockchain<\/strong> teknolojisidir. Peki, blockchain nedir, nas\u0131l \u00e7al\u0131\u015f\u0131r ve neden bu kadar \u00f6nemlidir?<\/p>\r\n<p data-start=\"347\" data-end=\"660\">Blockchain, en basit haliyle <strong data-start=\"376\" data-end=\"421\">da\u011f\u0131t\u0131lm\u0131\u015f dijital bir veri kay\u0131t sistemi<\/strong> olarak tan\u0131mlanabilir. Geleneksel veritabanlar\u0131ndan farkl\u0131 olarak veriler tek bir merkezde de\u011fil, <strong data-start=\"520\" data-end=\"557\">a\u011fdaki bir\u00e7ok bilgisayarda (node)<\/strong> saklan\u0131r. Bu yap\u0131 sayesinde blockchain; \u015feffaf, g\u00fcvenilir ve de\u011fi\u015ftirilemez bir kay\u0131t zinciri sunar.<\/p>\r\n<h2 data-start=\"662\" data-end=\"692\"><strong>Blockchain Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h2>\r\n<ul data-start=\"693\" data-end=\"961\">\r\n<li data-start=\"693\" data-end=\"766\">\r\n<p data-start=\"695\" data-end=\"766\"><strong data-start=\"695\" data-end=\"707\">Bloklar:<\/strong> \u0130\u015flemler belirli veri gruplar\u0131 olan bloklara kaydedilir.<\/p>\r\n<\/li>\r\n<li data-start=\"767\" data-end=\"871\">\r\n<p data-start=\"769\" data-end=\"871\"><strong data-start=\"769\" data-end=\"780\">Zincir:<\/strong> Her blok, kendinden \u00f6nceki blo\u011fun verilerini \u015fifreleyerek zincirleme bir yap\u0131 olu\u015fturur.<\/p>\r\n<\/li>\r\n<li data-start=\"872\" data-end=\"961\">\r\n<p data-start=\"874\" data-end=\"961\"><strong data-start=\"874\" data-end=\"889\">Da\u011f\u0131t\u0131k A\u011f:<\/strong> T\u00fcm kay\u0131tlar a\u011fdaki kat\u0131l\u0131mc\u0131lar taraf\u0131ndan do\u011frulan\u0131r ve kopyalan\u0131r.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"963\" data-end=\"1052\">Bu sistem sayesinde ge\u00e7mi\u015fteki kay\u0131tlar\u0131n de\u011fi\u015ftirilmesi neredeyse imk\u00e2ns\u0131z hale gelir.<\/p>\r\n<p id=\"mntl-sc-block_1-0-7\">Veritaban\u0131, bir bilgisayar sisteminde elektronik olarak saklanan bir bilgi koleksiyonudur.\u00a0Veritabanlar\u0131ndaki bilgiler veya veriler, belirli bilgilerin daha kolay aranmas\u0131 ve filtrelenmesine izin vermek i\u00e7in tipik olarak tablo format\u0131nda yap\u0131land\u0131r\u0131l\u0131r.\u00a0Bilgi depolamak i\u00e7in veritaban\u0131 yerine elektronik tablo kullanan birinin aras\u0131ndaki fark nedir?<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-9\">Elektronik tablolar, s\u0131n\u0131rl\u0131 miktarda bilgiyi depolamak ve bunlara eri\u015fmek \u00fczere bir ki\u015fi veya k\u00fc\u00e7\u00fck bir grup insan i\u00e7in tasarlanm\u0131\u015ft\u0131r.\u00a0Buna kar\u015f\u0131l\u0131k, bir veritaban\u0131, herhangi bir say\u0131da kullan\u0131c\u0131 taraf\u0131ndan ayn\u0131 anda h\u0131zl\u0131 ve kolay bir \u015fekilde eri\u015filebilen, filtrelenebilen ve de\u011fi\u015ftirilebilen \u00f6nemli \u00f6l\u00e7\u00fcde daha b\u00fcy\u00fck miktarda bilgiyi bar\u0131nd\u0131racak \u015fekilde tasarlanm\u0131\u015ft\u0131r.<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-11\">B\u00fcy\u00fck veritabanlar\u0131, verileri g\u00fc\u00e7l\u00fc bilgisayarlardan olu\u015fan sunucularda bar\u0131nd\u0131rarak bunu ba\u015far\u0131r.\u00a0Bu sunucular bazen bir\u00e7ok kullan\u0131c\u0131n\u0131n ayn\u0131 anda veritaban\u0131na eri\u015fmesi i\u00e7in gerekli hesaplama g\u00fcc\u00fcne ve depolama kapasitesine sahip olmak i\u00e7in y\u00fczlerce veya binlerce bilgisayar kullan\u0131larak olu\u015fturulabilir.\u00a0Bir elektronik tablo veya veritaban\u0131 herhangi bir say\u0131da ki\u015fi taraf\u0131ndan eri\u015filebilir olsa da, genellikle bir i\u015fletmeye aittir ve nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131 ve i\u00e7indeki veriler \u00fczerinde tam kontrole sahip olan atanm\u0131\u015f bir ki\u015fi taraf\u0131ndan y\u00f6netilir.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-15\"><strong>Blokchain Depolama<\/strong><\/h2>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-16\">Tipik bir veritaban\u0131 ile bir blok zinciri aras\u0131ndaki \u00f6nemli bir fark, verilerin yap\u0131land\u0131r\u0131lma \u015feklidir.\u00a0Bir blok zinciri, bilgi k\u00fcmelerini tutan bloklar olarak da bilinen gruplar halinde bilgi toplar.\u00a0Bloklar\u0131n belirli depolama kapasiteleri vard\u0131r ve doldurulduklar\u0131nda, &#8220;blok zinciri&#8221; olarak bilinen bir veri zinciri olu\u015fturarak \u00f6nceden doldurulmu\u015f blo\u011fa zincirlenirler.\u00a0Yeni eklenen blo\u011fu izleyen t\u00fcm yeni bilgiler, yeni olu\u015fturulmu\u015f bir blok halinde derlenir ve daha sonra, doldurulduktan sonra zincire de eklenir.<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-18\">Bir veritaban\u0131, verilerini tablolar halinde yap\u0131land\u0131r\u0131rken, bir blok zinciri, ad\u0131ndan da anla\u015f\u0131laca\u011f\u0131 gibi, verilerini birbirine zincirlenmi\u015f par\u00e7alar (bloklar) halinde yap\u0131land\u0131r\u0131r.\u00a0Bu, t\u00fcm blok zincirlerinin veritaban\u0131 olmas\u0131n\u0131, ancak t\u00fcm veritabanlar\u0131n\u0131n blok zinciri olmamas\u0131n\u0131 sa\u011flar.\u00a0Bu sistem ayr\u0131ca, merkezi olmayan bir do\u011fada uyguland\u0131\u011f\u0131nda, do\u011fas\u0131 gere\u011fi geri d\u00f6n\u00fc\u015f\u00fc olmayan bir veri zaman \u00e7izelgesi olu\u015fturur.\u00a0Bir blok dolduruldu\u011funda, ta\u015fa yerle\u015ftirilir ve bu zaman \u00e7izelgesinin bir par\u00e7as\u0131 haline gelir.\u00a0Zincirdeki her blo\u011fa, zincire eklendi\u011finde kesin bir zaman damgas\u0131 verilir.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-24\"><strong>Merkeziyetsizle\u015ftirme<\/strong><\/h3>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-25\">Blockchain&#8217;i anlamak amac\u0131yla, onu Bitcoin taraf\u0131ndan nas\u0131l uyguland\u0131\u011f\u0131 ba\u011flam\u0131nda incelemek \u00f6\u011freticidir.\u00a0Bir veritaban\u0131 gibi, Bitcoin de blok zincirini depolamak i\u00e7in bir dizi bilgisayara ihtiya\u00e7 duyar.\u00a0Bitcoin i\u00e7in bu blok zinciri, \u015fimdiye kadar yap\u0131lm\u0131\u015f her Bitcoin i\u015flemini depolayan belirli bir veritaban\u0131 t\u00fcr\u00fcd\u00fcr.\u00a0Bitcoin&#8217;in durumunda ve \u00e7o\u011fu veritaban\u0131ndan farkl\u0131 olarak, bu bilgisayarlar tek bir \u00e7at\u0131 alt\u0131nda de\u011fildir ve her bilgisayar veya bilgisayar grubu, benzersiz bir ki\u015fi veya bir grup ki\u015fi taraf\u0131ndan \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r.\u00a0\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-27\">Bir \u015firketin, m\u00fc\u015fterisinin t\u00fcm hesap bilgilerini i\u00e7eren bir veritaban\u0131na sahip 10.000 bilgisayardan olu\u015fan bir sunucuya sahip oldu\u011funu hayal edin.\u00a0Bu \u015firket, t\u00fcm bu bilgisayarlar\u0131 tek bir \u00e7at\u0131 alt\u0131nda i\u00e7eren bir depoya sahiptir ve bu bilgisayarlar\u0131n her biri ve i\u00e7erdi\u011fi t\u00fcm bilgiler \u00fczerinde tam kontrole sahiptir.\u00a0Benzer \u015fekilde, Bitcoin binlerce bilgisayardan olu\u015fur, ancak blok zincirini tutan her bilgisayar veya bilgisayar grubu farkl\u0131 bir co\u011frafi konumdad\u0131r ve hepsi ayr\u0131 bireyler veya insan gruplar\u0131 taraf\u0131ndan \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r.\u00a0Bitcoin&#8217;in a\u011f\u0131n\u0131 olu\u015fturan bu bilgisayarlara d\u00fc\u011f\u00fcmler denir.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-29\">Bu modelde, Bitcoin&#8217;in blok zinciri merkezi olmayan bir \u015fekilde kullan\u0131lmaktad\u0131r.\u00a0Bununla birlikte, a\u011f\u0131n\u0131 olu\u015fturan bilgisayarlar\u0131n sahip oldu\u011fu ve tek bir varl\u0131k taraf\u0131ndan i\u015fletildi\u011fi \u00f6zel, merkezi blok zincirleri mevcuttur.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-31\">Bir blok zincirinde, her d\u00fc\u011f\u00fcm, ba\u015flang\u0131c\u0131ndan bu yana blok zincirinde depolanan verilerin tam bir kayd\u0131na sahiptir.\u00a0Bitcoin i\u00e7in veriler, t\u00fcm Bitcoin i\u015flemlerinin t\u00fcm ge\u00e7mi\u015fidir.\u00a0Bir d\u00fc\u011f\u00fcm\u00fcn verilerinde bir hata varsa, kendisini d\u00fczeltmek i\u00e7in di\u011fer binlerce d\u00fc\u011f\u00fcm\u00fc referans noktas\u0131 olarak kullanabilir.\u00a0Bu \u015fekilde, a\u011f i\u00e7indeki hi\u00e7bir d\u00fc\u011f\u00fcm, i\u00e7inde tutulan bilgileri de\u011fi\u015ftiremez.\u00a0Bu nedenle, Bitcoin&#8217;in blok zincirini olu\u015fturan her bloktaki i\u015flemlerin ge\u00e7mi\u015fi geri al\u0131namaz.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-33\">Bir kullan\u0131c\u0131 Bitcoin&#8217;in i\u015flem kayd\u0131na m\u00fcdahale ederse, di\u011fer t\u00fcm d\u00fc\u011f\u00fcmler birbirlerine \u00e7apraz referans verebilir ve yanl\u0131\u015f bilgilerle d\u00fc\u011f\u00fcm\u00fc kolayca belirleyebilir.\u00a0Bu sistem, olaylar\u0131n kesin ve \u015feffaf bir s\u0131ras\u0131n\u0131 olu\u015fturmaya yard\u0131mc\u0131 olur.\u00a0Bitcoin i\u00e7in bu bilgiler bir i\u015flem listesidir, ancak bir blok zincirinin yasal s\u00f6zle\u015fmeler, eyalet tan\u0131mlamalar\u0131 veya bir \u015firketin \u00fcr\u00fcn envanteri gibi \u00e7e\u015fitli bilgileri tutmas\u0131 da m\u00fcmk\u00fcnd\u00fcr.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-35\">Bu sistemin \u00e7al\u0131\u015fma \u015feklini veya i\u00e7inde depolanan bilgileri de\u011fi\u015ftirmek i\u00e7in, merkezi olmayan a\u011f\u0131n bilgi i\u015flem g\u00fcc\u00fcn\u00fcn \u00e7o\u011funlu\u011funun s\u00f6z konusu de\u011fi\u015fiklikler \u00fczerinde anla\u015fmaya varmas\u0131 gerekir.\u00a0Bu, meydana gelen de\u011fi\u015fikliklerin \u00e7o\u011funlu\u011fun yarar\u0131na olmas\u0131n\u0131 sa\u011flar.<\/p>\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-37\"><strong>\u015eeffafl\u0131k<\/strong><\/h3>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-38\">Bitcoin&#8217;in blok zincirinin merkezi olmayan do\u011fas\u0131 nedeniyle, t\u00fcm i\u015flemler ya ki\u015fisel bir d\u00fc\u011f\u00fcme sahip olarak ya da\u00a0herkesin ger\u00e7ekle\u015fen i\u015flemleri canl\u0131 olarak g\u00f6rmesine izin veren\u00a0blok zinciri ka\u015fifleri\u00a0kullan\u0131larak \u015feffaf bir \u015fekilde g\u00f6r\u00fcnt\u00fclenebilir\u00a0.\u00a0Her d\u00fc\u011f\u00fcm, yeni bloklar onaylan\u0131p eklendik\u00e7e g\u00fcncellenen kendi zincir kopyas\u0131na sahiptir.\u00a0Bu, e\u011fer isterseniz, Bitcoin&#8217;i nereye giderse gitsin takip edebilece\u011finiz anlam\u0131na gelir.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-40\">\u00d6rne\u011fin, ge\u00e7mi\u015fte Bitcoin&#8217;i borsada tutanlar\u0131n her \u015feyi kaybetti\u011fi borsalar hacklendi. Bilgisayar korsan\u0131 tamamen anonim olsa da, \u00e7\u0131kard\u0131klar\u0131 Bitcoin&#8217;ler kolayca izlenebilir. Bu sald\u0131r\u0131lar\u0131n baz\u0131lar\u0131nda \u00e7al\u0131nan Bitcoin&#8217;ler bir yere ta\u015f\u0131nacak veya harcanacak olsayd\u0131, bilinecekti.<\/p>\r\n\r\n\r\n\r\n\r\n\r\n<h3 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-42\"><strong>Blockchain G\u00fcvenli mi?<\/strong><\/h3>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-43\"><a href=\"https:\/\/coinmuhendisi.com\/blog\/oyun-blokchaini-oasys-ana-agda-yayinlandi\/\"><strong>Blockchain<\/strong> <\/a>teknolojisi, g\u00fcvenlik ve g\u00fcven konular\u0131n\u0131 \u00e7e\u015fitli \u015fekillerde a\u00e7\u0131klar.\u00a0\u0130lk olarak, yeni bloklar her zaman do\u011frusal ve kronolojik olarak depolan\u0131r.\u00a0Yani, her zaman blok zincirinin &#8220;sonuna&#8221; eklenirler.\u00a0Bitcoin&#8217;in blok zincirine bakarsan\u0131z, her blo\u011fun zincir \u00fczerinde &#8220;y\u00fckseklik&#8221; ad\u0131 verilen bir konumu oldu\u011funu g\u00f6r\u00fcrs\u00fcn\u00fcz.\u00a0Kas\u0131m 2020 itibar\u0131yla blo\u011fun y\u00fcksekli\u011fi \u015fimdiye kadar 656.197 blo\u011fa ula\u015fm\u0131\u015ft\u0131.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-45\">Blok zincirinin sonuna bir blok eklendikten sonra, \u00e7o\u011funluk bunu yapmak i\u00e7in bir fikir birli\u011fine varmad\u0131k\u00e7a geri d\u00f6n\u00fcp blo\u011fun i\u00e7eri\u011fini de\u011fi\u015ftirmek \u00e7ok zordur.\u00a0Bunun nedeni, her blo\u011fun, kendisinden \u00f6nceki blo\u011fun karmas\u0131 ve daha \u00f6nce belirtilen zaman damgas\u0131 ile birlikte kendi karmas\u0131n\u0131 i\u00e7ermesidir.\u00a0Karma kodlar, dijital bilgileri bir say\u0131 ve harf dizisine d\u00f6n\u00fc\u015ft\u00fcren bir matematik i\u015flevi taraf\u0131ndan olu\u015fturulur.\u00a0Bu bilgiler herhangi bir \u015fekilde d\u00fczenlenirse, karma kod da de\u011fi\u015fir.<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-47\">\u0130\u015fte bunun g\u00fcvenlik i\u00e7in \u00f6nemli olmas\u0131n\u0131n nedeni.\u00a0Diyelim ki bir bilgisayar korsan\u0131 blok zincirini de\u011fi\u015ftirmek ve Bitcoin&#8217;i herkesten \u00e7almak istiyor.\u00a0Kendi tek kopyalar\u0131n\u0131 de\u011fi\u015ftirirlerse, art\u0131k herkesin kopyas\u0131yla uyumlu olmayacakt\u0131r.\u00a0Herkes kendi kopyalar\u0131na kar\u015f\u0131 \u00e7apraz referans yapt\u0131\u011f\u0131nda, bu bir kopyan\u0131n \u00f6ne \u00e7\u0131kt\u0131\u011f\u0131n\u0131 ve hacker&#8217;\u0131n bu zincirin versiyonunun yasad\u0131\u015f\u0131 oldu\u011fu gerek\u00e7esiyle at\u0131laca\u011f\u0131n\u0131 g\u00f6receklerdi.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-49\">B\u00f6yle bir hack ile ba\u015far\u0131l\u0131 olmak, bilgisayar korsan\u0131n\u0131n blok zincirinin kopyalar\u0131n\u0131n% 51&#8217;ini ayn\u0131 anda kontrol etmesini ve de\u011fi\u015ftirmesini gerektirecek, b\u00f6ylece yeni kopyalar\u0131 \u00e7o\u011funluk kopya ve dolay\u0131s\u0131yla \u00fczerinde anla\u015f\u0131lan zincir haline gelecektir.\u00a0B\u00f6yle bir sald\u0131r\u0131, ayn\u0131 zamanda, t\u00fcm bloklar\u0131 yeniden yapmalar\u0131 gerekece\u011finden, muazzam miktarda para ve kaynak gerektirecektir, \u00e7\u00fcnk\u00fc art\u0131k farkl\u0131 zaman damgalar\u0131na ve hash kodlar\u0131na sahip olacaklard\u0131r.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-51\">Bitcoin&#8217;in a\u011f\u0131n\u0131n boyutu ve ne kadar h\u0131zl\u0131 b\u00fcy\u00fcd\u00fc\u011f\u00fc nedeniyle, b\u00f6yle bir ba\u015far\u0131y\u0131 ger\u00e7ekle\u015ftirmenin maliyeti muhtemelen a\u015f\u0131lmaz olacakt\u0131r.\u00a0Bu sadece \u00e7ok pahal\u0131 olmakla kalmaz, ayn\u0131 zamanda muhtemelen sonu\u00e7suz kalacakt\u0131r.\u00a0A\u011f \u00fcyeleri blok zincirinde bu kadar sert de\u011fi\u015fiklikler g\u00f6rece\u011finden, b\u00f6yle bir \u015fey yapmak fark edilmeyecektir.\u00a0A\u011f \u00fcyeleri daha sonra zincirin etkilenmemi\u015f yeni bir s\u00fcr\u00fcm\u00fcne \u00e7atallan\u0131r.\u00a0<\/p>\r\n\r\n\r\n\r\n<p id=\"mntl-sc-block_1-0-53\">Bu, Bitcoin&#8217;in sald\u0131r\u0131ya u\u011fram\u0131\u015f versiyonunun de\u011ferinin d\u00fc\u015fmesine neden olur ve k\u00f6t\u00fc akt\u00f6r de\u011fersiz bir varl\u0131\u011f\u0131n kontrol\u00fcne sahip oldu\u011fu i\u00e7in sald\u0131r\u0131y\u0131 sonu\u00e7ta anlams\u0131z hale getirir.\u00a0K\u00f6t\u00fc oyuncu Bitcoin&#8217;in yeni \u00e7atal\u0131na sald\u0131r\u0131rsa ayn\u0131 \u015fey olur.\u00a0A\u011fda yer alman\u0131n ona sald\u0131rmaktan \u00e7ok daha ekonomik olarak te\u015fvik edilmesi i\u00e7in bu \u015fekilde in\u015fa edilmi\u015ftir.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcn\u00fcm\u00fczde dijitalle\u015fmenin h\u0131z kazanmas\u0131yla birlikte s\u0131k\u00e7a duydu\u011fumuz kavramlardan biri de Blockchain teknolojisidir. Peki, blockchain nedir, nas\u0131l \u00e7al\u0131\u015f\u0131r ve neden bu kadar \u00f6nemlidir? Blockchain, en basit haliyle da\u011f\u0131t\u0131lm\u0131\u015f dijital bir veri kay\u0131t sistemi olarak tan\u0131mlanabilir. Geleneksel veritabanlar\u0131ndan farkl\u0131 olarak veriler tek bir merkezde de\u011fil, a\u011fdaki bir\u00e7ok bilgisayarda (node) saklan\u0131r. Bu yap\u0131 sayesinde blockchain; \u015feffaf, g\u00fcvenilir ve<\/p>\n","protected":false},"author":6,"featured_media":2413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[62,63],"class_list":["post-1367","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-egitim","tag-blok-zincir","tag-blokchain"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Blockchain Nedir? - Coin M\u00fchendisi<\/title>\n<meta name=\"description\" content=\"Blockchain teknolojisinin ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve finans ile di\u011fer sekt\u00f6rlerde neden devrim yaratt\u0131\u011f\u0131n\u0131 k\u0131sa ve anla\u015f\u0131l\u0131r \u015fekilde \u00f6\u011frenin\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/coinmuhendisi.com\/blog\/blokchain-nedir\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blockchain Nedir?\" \/>\n<meta property=\"og:description\" content=\"Blockchain teknolojisinin ne oldu\u011funu, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve finans ile di\u011fer sekt\u00f6rlerde neden devrim yaratt\u0131\u011f\u0131n\u0131 k\u0131sa ve anla\u015f\u0131l\u0131r \u015fekilde \u00f6\u011frenin\" \/>\n<meta property=\"og:url\" content=\"https:\/\/coinmuhendisi.com\/blog\/blokchain-nedir\/\" \/>\n<meta property=\"og:site_name\" content=\"Coin M\u00fchendisi\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/coinmuhendisi\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-27T16:18:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-30T07:32:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2021\/05\/blockchain-nedir-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1366\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@coinmuhendisim\" \/>\n<meta name=\"twitter:site\" content=\"@coinmuhendisim\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/#\\\/schema\\\/person\\\/92661db359d245dcf90385075aee07ed\"},\"headline\":\"Blockchain Nedir?\",\"datePublished\":\"2021-05-27T16:18:46+00:00\",\"dateModified\":\"2025-09-30T07:32:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/\"},\"wordCount\":1634,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/blockchain-nedir-1.jpeg\",\"keywords\":[\"blok zincir\",\"blokchain\"],\"articleSection\":[\"E\u011fitim\"],\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/#respond\"]}],\"copyrightYear\":\"2021\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/\",\"url\":\"https:\\\/\\\/coinmuhendisi.com\\\/blog\\\/blokchain-nedir\\\/\",\"name\":\"Blockchain Nedir? 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