{"id":6438,"date":"2024-12-18T23:17:23","date_gmt":"2024-12-18T23:17:23","guid":{"rendered":"https:\/\/99bitcoins.com\/tr\/?page_id=6438"},"modified":"2024-12-18T23:17:23","modified_gmt":"2024-12-18T23:17:23","slug":"proof-of-work-nedir","status":"publish","type":"page","link":"https:\/\/99bitcoins.com\/tr\/bitcoin-akademi\/proof-of-work-nedir\/","title":{"rendered":"Proof of Work Nedir?"},"content":{"rendered":"<p data-block-id=\"d2f413d8-ecde-4b20-a0c0-f81c91553174\">Proof of Work (POW), <a href=\"https:\/\/99bitcoins.com\/tr\/bitcoin-madenciligi\/\"><strong>Bitcoin madencili\u011finde<\/strong><\/a> kullan\u0131lan konsens\u00fcs mekanizmas\u0131d\u0131r. Bu kafa kar\u0131\u015ft\u0131r\u0131c\u0131 c\u00fcmlenin ne anlama geldi\u011fini \u00f6\u011frenmek i\u00e7in okumaya devam edin.<\/p>\n<h2 data-block-id=\"d2f413d8-ecde-4b20-a0c0-f81c91553174\">Proof of Work Nedir? \u00d6zet<\/h2>\n<p data-block-id=\"6119f547-283f-4a67-b67d-a7d17c39917a\">Blockchain teknolojisinin temelini olu\u015fturan bu mekanizma, i\u015flemlerin g\u00fcvenli bir \u015fekilde do\u011frulanmas\u0131n\u0131 sa\u011flar. Ayr\u0131ca, yeni bloklar\u0131n zincire eklenmesi i\u00e7in kullan\u0131lan bir konsens\u00fcs algoritmas\u0131d\u0131r. Proof of Work ne ifade eder?<\/p>\n<p data-block-id=\"311efaa9-4013-46f9-9741-e3ae9fe98107\">Bitcoin blok zincirinde i\u015flemleri kimin g\u00fcncelleyebilece\u011fini belirleyen kurallar\u0131 ifade eder.<\/p>\n<p data-block-id=\"ce0510af-b93c-4986-9bd0-7e0bd7c0006e\">Bir sonraki i\u015flem blo\u011funu g\u00fcncelleme hakk\u0131n\u0131 kazanmak i\u00e7in \u00e7\u00f6z\u00fclmesi zor bir zorlu\u011fu \u00e7\u00f6zmeniz gerekir. Bu zorluk, a\u011f taraf\u0131ndan kolayca do\u011frulanabilir olmal\u0131d\u0131r. Bu \u015fekilde, bu zorlu\u011fu \u00e7\u00f6zmek i\u00e7in \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131z\u0131 kan\u0131tlam\u0131\u015f olursunuz.<\/p>\n<p data-block-id=\"aaa69582-ffb9-43b3-a1c1-3049f2cf501c\">K\u0131saca Proof of Work bu \u015fekilde \u00e7al\u0131\u015f\u0131r. Daha detayl\u0131 bir a\u00e7\u0131klama i\u00e7in okumaya devam edin. \u0130\u015fte ele alacaklar\u0131m\u0131z:<\/p>\n<ol>\n<li data-block-id=\"743c180b-264e-4f79-be5c-72ba52d9443a\"><a href=\"#konsens\u00fcs\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Konsens\u00fcs Mekanizmas\u0131 Nedir?<\/strong><\/a><\/li>\n<li data-block-id=\"32932880-a553-434a-8978-6bf39c80a178\"><a href=\"#proof\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Proof of Work (PoW) Nedir?<\/strong><\/a><\/li>\n<li data-block-id=\"d9066851-666b-46a0-a5eb-0bcb4ac4ac0c\"><a href=\"#ele\u015ftirileri\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>PoW Ele\u015ftirileri<\/strong><\/a><strong>\u00a0\u00a0<\/strong><\/li>\n<li data-block-id=\"98437552-c111-4d3e-9fa7-70f6c0cc96cf\"><a href=\"#vs\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>PoW ve PoS Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/strong><\/a><\/li>\n<li data-block-id=\"ddbf9ca3-42f9-48a9-b76b-802774054a88\"><a href=\"#sonu\u00e7\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Sonu\u00e7<\/strong><\/a><\/li>\n<\/ol>\n<h2 data-block-id=\"c8816b2f-8e83-4198-b0ae-89a67e024bd4\"><strong>Okumay\u0131 Sevmiyor Musunuz? Bunun Yerine K\u0131sa Video E\u011fitimimizi \u0130zleyin.<\/strong><\/h2>\n<p><iframe loading=\"lazy\" title=\"What is Proof of Work \/ Proof of Stake\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/NqgzF63yNcU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<h2 data-block-id=\"e84615fe-9731-446a-a1c5-5e0e2595ca9f\"><strong>\t<span id=\"konsens\u00fcs\"><\/span>\n\t1. Konsens\u00fcs Mekanizmas\u0131 Nedir?<\/strong><\/h2>\n<p data-block-id=\"9df32312-fc14-457b-9b00-d87db05e95a9\"><a href=\"https:\/\/99bitcoins.com\/tr\/bitcoin-nedir-yeni-baslayanlar-icin-kapsamli-rehber\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Bitcoin<\/strong><\/a>, temelinde, herkes taraf\u0131ndan g\u00fcncellenen merkeziyetsiz bir defterdir. Herkesin kendi versiyonuna sahip olamayaca\u011f\u0131 bir sistemde, defterin tutarl\u0131l\u0131\u011f\u0131 \u00f6nemlidir. Bu nedenle, tutarl\u0131l\u0131\u011f\u0131 sa\u011flamak i\u00e7in gerekli \u00f6nlemler al\u0131nmal\u0131d\u0131r.. Bunun i\u00e7in, defteri kimin g\u00fcncelleyece\u011fine dair bir t\u00fcr konsens\u00fcs mekanizmas\u0131na ihtiya\u00e7 duyars\u0131n\u0131z.<\/p>\n<p data-block-id=\"f35ad3e4-6a04-4fcb-95be-f3b572178925\">Konsens\u00fcs mekanizmas\u0131, defteri kimin g\u00fcncelleyece\u011fi konusunda herkesin kabul etti\u011fi kurallar\u0131n s\u00fcsl\u00fc bir tan\u0131m\u0131d\u0131r. Bir\u00e7ok farkl\u0131 konsens\u00fcs mekanizmas\u0131 vard\u0131r, \u00f6rne\u011fin:<\/p>\n<ul>\n<li data-block-id=\"a3b23eb3-581b-4201-8d31-d518f616b850\">Proof of Work (POW)<\/li>\n<li data-block-id=\"e2e57278-6c43-4a11-a37b-8539c3466961\">Proof of Stake (POS)<\/li>\n<li data-block-id=\"998d7249-bd17-44f0-8380-0506408ef905\">Delegated Proof of Stake (DPOS)<\/li>\n<li data-block-id=\"7483be14-3f4a-47e8-930a-cceefa492cf8\">Proof of Capacity (POC)<\/li>\n<li data-block-id=\"3e5abb1d-5473-4b71-8e14-e6046af29760\">Proof of Elapsed Time (POET)<\/li>\n<li data-block-id=\"473a13b5-7b93-440d-a615-792cab734448\">Practical Byzantine Fault Tolerance (PBFT)<\/li>\n<li data-block-id=\"fa99d909-9b27-47f6-a151-80dc3a0b3fad\">Directed Acyclic Graph (DAG)<\/li>\n<\/ul>\n<p data-block-id=\"6fca197a-46bc-4dd7-ba4a-7303cbf7d5de\">Ve daha fazlas\u0131\u2026<\/p>\n<p data-block-id=\"9c81bf66-5735-4e53-a007-e91730d0633d\">Bu konsens\u00fcs mekanizmalar\u0131n\u0131n her biri, bir kamu defterini nas\u0131l g\u00fcncelleyece\u011finizi tan\u0131mlayan farkl\u0131 kurallara sahiptir.<\/p>\n<h2 data-block-id=\"dd9e78f9-2e2c-4930-a9cf-a0b9cf7247d3\"><strong>\t<span id=\"proof\"><\/span>\n\t2. Proof of Work Nedir?<\/strong><\/h2>\n<p data-block-id=\"8c4f482e-dee6-472a-bf45-ac66e606044c\"><a href=\"https:\/\/99bitcoins.com\/tr\/bitcoin-madenciligi\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Bitcoin madencili\u011fi<\/strong><\/a>, Bitcoin defteri olan <a href=\"https:\/\/cryptonews.com\/tr\/akademy\/blockchain-sifreleme-nedir-ve-nasil-calisir\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>blockchain<\/strong><\/a> \u00fczerinde yeni i\u015flem bloklar\u0131n\u0131n nas\u0131l g\u00fcncellendi\u011fini a\u00e7\u0131klayan bir terimdir.<\/p>\n<p data-block-id=\"300b1773-9dc1-4df4-9284-ee3892417d09\">Bir madencinin defteri g\u00fcncelleme hakk\u0131n\u0131 kazanabilmesi i\u00e7in, belirli bir zorlu\u011fa cevap (proof) sunmas\u0131 gerekir. Bu kan\u0131t\u0131n \u00fcretilmesi zordur, ancak do\u011frulanmas\u0131 \u00e7ok kolayd\u0131r. \u00d6rne\u011fin, bir kilit kombinasyonunu tahmin etmek bir zorluk kan\u0131t\u0131d\u0131r. Do\u011fru kombinasyonu bulmak \u00e7ok zordur. \u00c7\u00fcnk\u00fc bir\u00e7ok farkl\u0131 kombinasyon denemeniz gerekir. Ancak, do\u011fru kombinasyon bulundu\u011funda, kilidi a\u00e7\u0131p a\u00e7mad\u0131\u011f\u0131n\u0131 kontrol ederek kolayca do\u011frulayabilirsiniz.<\/p>\n<p data-block-id=\"2c276236-0dad-40b8-b141-cbbb9852537c\">Ba\u015fka bir \u00f6rnek Rubik K\u00fcp\u00fc \u00e7\u00f6zmek olabilir. \u00c7\u00f6z\u00fcm \u00fcretmek zor ama do\u011fru \u00e7\u00f6z\u00fcm\u00fc do\u011frulamak kolayd\u0131r.<\/p>\n<p data-block-id=\"d189cf13-605e-4d5c-b645-aff5ab956795\"><a href=\"https:\/\/99bitcoins.com\/tr\/bitcoin-nedir-yeni-baslayanlar-icin-kapsamli-rehber\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>Bitcoin\u2019in<\/strong><\/a> durumunda, zorluk bir rastgele say\u0131 (nonce) bulmakt\u0131r.Bu say\u0131, i\u015flem blo\u011funuza eklenir. Daha sonra hash i\u015flemi (bir t\u00fcr matematiksel form\u00fcl uygulama) yap\u0131ld\u0131\u011f\u0131nda bir sonu\u00e7 \u00fcretir.Bu sonu\u00e7, sistemin belirledi\u011fi hedef say\u0131dan k\u00fc\u00e7\u00fck olmal\u0131d\u0131r.<\/p>\n<p data-block-id=\"b855e955-c0c8-4ad4-97bd-e445f9c374c2\">Karma\u015f\u0131k m\u0131 g\u00f6r\u00fcn\u00fcyor? Evet, \u00f6yle. Bu tamamen matematik alan\u0131ndan gelir ve s\u00fcrecin teknik detaylar\u0131 bu yaz\u0131 i\u00e7in \u00e7ok da \u00f6nemli de\u011fil. Hat\u0131rlaman\u0131z gereken \u015fey \u015fudur:<\/p>\n<p data-block-id=\"0be5d106-88fd-4fbc-9c79-fa93ee37e330\">Bu say\u0131y\u0131 hesaplamak m\u00fcmk\u00fcn de\u011fildir; onu bulman\u0131n tek yolu deneme-yan\u0131lma y\u00f6ntemidir (yani tahmin yapmak). Bu nedenle madenciler g\u00fcn boyunca say\u0131lar\u0131 tahmin eder.<\/p>\n<p data-block-id=\"f7f655a7-38da-47ee-81e1-42de56c188d6\">Do\u011fru say\u0131 bulundu\u011funda, madenci \u00e7\u00f6z\u00fcm\u00fcn\u00fc (kan\u0131t\u0131n\u0131) a\u011fla payla\u015f\u0131r. Herkes onun blo\u011funun bir sonraki i\u015flem blo\u011fu olaca\u011f\u0131 konusunda hemfikir olur.<\/p>\n<p data-block-id=\"7abccc73-c97f-4c46-b551-2346ae9e7f90\">Bu mekanizma, yaln\u0131zca say\u0131 tahmini i\u00e7in yeterli hesaplama g\u00fcc\u00fc (veya \u201ci\u015f\u201d) harcayan birinin i\u015flem defterini g\u00fcncelleme hakk\u0131 kazanmas\u0131n\u0131 sa\u011flar.<\/p>\n<h3><strong>Proof of Stake (PoS) Nedir?<\/strong><\/h3>\n<p>Proof of Stake (PoS), PoW\u2019a bir alternatif olarak geli\u015ftirilmi\u015f bir konsens\u00fcs mekanizmas\u0131d\u0131r. PoS\u2019ta madenciler yerine do\u011frulay\u0131c\u0131lar bulunur ve bu do\u011frulay\u0131c\u0131lar belirli bir miktar coini a\u011fda \u201cstake\u201d ederek do\u011frulama hakk\u0131 kazan\u0131r. Ne kadar fazla coin stake edilirse, bir sonraki blo\u011fu do\u011frulama \u015fans\u0131 o kadar artar. PoS, daha az enerji t\u00fcketir ve \u00e7evre dostudur ancak stake edilen miktara ba\u011fl\u0131 olarak zengin do\u011frulay\u0131c\u0131lara avantaj sa\u011flayabilir. Ethereum 2.0 gibi projeler, PoS\u2019a ge\u00e7erek enerji verimlili\u011fi sa\u011flamay\u0131 hedefler.<\/p>\n<p>Her iki mekanizma da blockchain a\u011flar\u0131n\u0131n g\u00fcvenli\u011fini sa\u011flamay\u0131 ama\u00e7lar, ancak kaynak kullan\u0131m\u0131 ve ekonomik te\u015fvikler a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131k g\u00f6sterir.<\/p>\n<h3><strong>Proof of Work (PoW) Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/strong><\/h3>\n<p>PoW, blockchain a\u011flar\u0131n\u0131n g\u00fcvenli\u011fini sa\u011flamak ve yeni bloklar\u0131 do\u011frulamak i\u00e7in kullan\u0131lan bir mekanizmad\u0131r. \u0130\u015fte \u00e7al\u0131\u015fma prensibi:<\/p>\n<ol>\n<li><strong>Zorluk Problemi:<\/strong><br \/>\nMadenciler, belirli bir zorlu\u011fu \u00e7\u00f6zmek i\u00e7in &#8220;nonce&#8221; ad\u0131 verilen rastgele bir say\u0131 bulmaya \u00e7al\u0131\u015f\u0131r. Bu s\u00fcre\u00e7, bir blo\u011fu zincire eklemeden \u00f6nce yap\u0131l\u0131r. Ama\u00e7, bu say\u0131y\u0131 ekleyip hash fonksiyonuyla bir i\u015flem sonucu \u00fcretmek ve sistemin belirledi\u011fi hedef de\u011ferin alt\u0131nda bir sonu\u00e7 elde etmektir.<\/li>\n<li><strong>Deneme ve Yan\u0131lma:<\/strong><br \/>\nZorlu\u011fu \u00e7\u00f6zmek, deneme-yan\u0131lma y\u00f6ntemiyle ger\u00e7ekle\u015fir. Madenciler, do\u011fru say\u0131y\u0131 bulana kadar s\u00fcrekli olarak farkl\u0131 kombinasyonlar dener. Bu s\u00fcre\u00e7 hesaplama g\u00fcc\u00fc (i\u015flemci veya GPU) gerektirir.<\/li>\n<li><strong>Kolay Do\u011frulama:<\/strong><br \/>\n\u00c7\u00f6z\u00fclen problem zor olsa da, do\u011frulanmas\u0131 olduk\u00e7a kolayd\u0131r. Di\u011fer a\u011f kat\u0131l\u0131mc\u0131lar\u0131 (d\u00fc\u011f\u00fcmler), madencinin sundu\u011fu \u00e7\u00f6z\u00fcm\u00fc kontrol ederek do\u011frulu\u011funu onaylar.<\/li>\n<li><strong>Blok \u00d6d\u00fcl\u00fc:<\/strong><br \/>\nDo\u011fru \u00e7\u00f6z\u00fcm\u00fc bulan madenci, yeni blok zincire eklendi\u011finde blok \u00f6d\u00fcl\u00fc (\u00f6rne\u011fin, Bitcoin) al\u0131r. Bu \u00f6d\u00fcl, a\u011f\u0131n te\u015fvik mekanizmas\u0131d\u0131r.<\/li>\n<li><strong>G\u00fcvenlik ve Merkeziyetsizlik:<\/strong><br \/>\nBu s\u00fcre\u00e7, i\u015flemlerin g\u00fcvenli\u011fini sa\u011flar ve a\u011f\u0131n merkezi bir otoriteye ihtiya\u00e7 duymadan \u00e7al\u0131\u015fmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lar. Madenciler i\u00e7in gereken y\u00fcksek enerji ve donan\u0131m maliyeti, k\u00f6t\u00fc niyetli sald\u0131r\u0131lara kar\u015f\u0131 g\u00fc\u00e7l\u00fc bir savunma mekanizmas\u0131 olu\u015fturur.<\/li>\n<\/ol>\n<p>PoW, basit\u00e7e \u00f6zetlemek gerekirse, &#8220;a\u011fdaki i\u015flemleri do\u011frulamak i\u00e7in ciddi bir i\u015f yap\u0131ld\u0131\u011f\u0131n\u0131 kan\u0131tlama&#8221; mekanizmas\u0131d\u0131r. Bu, blockchain a\u011flar\u0131n\u0131n g\u00fcvenilir ve merkeziyetsiz olmas\u0131n\u0131 sa\u011flar.<\/p>\n<h3><strong>Proof of Work (PoW) Coinler Hangileri?<\/strong><\/h3>\n<p>Proof of Work mekanizmas\u0131n\u0131 kullanan coinler, a\u011f\u0131n g\u00fcvenli\u011fini sa\u011flamak ve i\u015flemleri do\u011frulamak i\u00e7in madencilik faaliyetlerine dayan\u0131r. \u0130\u015fte en pop\u00fcler PoW coinlerden baz\u0131lar\u0131:<\/p>\n<ol>\n<li><strong>Bitcoin (BTC):<\/strong><br \/>\n\u0130lk ve en yayg\u0131n kullan\u0131lan PoW coin olan Bitcoin, merkeziyetsizlik ve g\u00fcvenlik konusunda sekt\u00f6rde bir standart belirledi. Madencilik s\u00fcreci karma\u015f\u0131k matematiksel problemlerin \u00e7\u00f6z\u00fcm\u00fcne dayan\u0131r.<\/li>\n<li><strong>Ethereum (ETH) [Ge\u00e7mi\u015fte PoW]:<\/strong><br \/>\nEthereum, uzun s\u00fcre PoW ile \u00e7al\u0131\u015ft\u0131 ancak 2022&#8217;de Proof of Stake (PoS) mekanizmas\u0131na ge\u00e7ti. Ge\u00e7mi\u015fte PoW a\u011f\u0131n\u0131n g\u00fcc\u00fcnden faydaland\u0131.<\/li>\n<li><strong>Litecoin (LTC):<\/strong><br \/>\nBitcoin&#8217;e benzer \u015fekilde \u00e7al\u0131\u015fan Litecoin, daha h\u0131zl\u0131 blok s\u00fcreleri ve daha d\u00fc\u015f\u00fck i\u015flem \u00fccretleri sunmay\u0131 hedefler. PoW algoritmas\u0131 olarak Scrypt kullan\u0131r.<\/li>\n<li><strong>Monero (XMR):<\/strong><br \/>\nGizlilik odakl\u0131 Monero, PoW mekanizmas\u0131yla \u00e7al\u0131\u015f\u0131r ve CPU dostu madencili\u011fi te\u015fvik eder. A\u011f\u0131n merkeziyetsizli\u011fini korumak i\u00e7in ASIC&#8217;lere diren\u00e7lidir.<\/li>\n<li><strong>Dogecoin (DOGE):<\/strong><br \/>\nBa\u015flang\u0131\u00e7ta bir \u015faka coini olarak tasarlanan Dogecoin, Litecoin ile ayn\u0131 PoW algoritmas\u0131 olan Scrypt&#8217;i kullan\u0131r. \u015eu anda ciddi bir kullan\u0131c\u0131 kitlesine sahiptir.<\/li>\n<li><strong>Zcash (ZEC):<\/strong><br \/>\nGizlilik ve anonimlik odakl\u0131 Zcash, Equihash adl\u0131 bir PoW algoritmas\u0131 kullan\u0131r. Hem \u015feffaf hem de \u00f6zel i\u015flemleri destekler.<\/li>\n<li><strong>Ravencoin (RVN):<\/strong><br \/>\nRavencoin, PoW mekanizmas\u0131yla \u00e7al\u0131\u015fan ve varl\u0131k transferleri i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015f bir blockchain a\u011f\u0131d\u0131r. KAWPOW algoritmas\u0131n\u0131 kullan\u0131r.<\/li>\n<li><strong>Bitcoin Cash (BCH):<\/strong><br \/>\nBitcoin&#8217;in bir hard forku olan BCH, PoW mekanizmas\u0131yla \u00e7al\u0131\u015f\u0131r ancak daha b\u00fcy\u00fck blok boyutlar\u0131yla daha h\u0131zl\u0131 i\u015flem yapmay\u0131 hedefler.<\/li>\n<li><strong>Ethereum Classic (ETC):<\/strong><br \/>\nEthereum&#8217;un orijinal zinciri olan Ethereum Classic, PoW mekanizmas\u0131n\u0131 s\u00fcrd\u00fcrmektedir ve i\u015flevsellik a\u00e7\u0131s\u0131ndan Ethereum\u2019a benzer.<\/li>\n<\/ol>\n<p>Bu coinler, PoW&#8217;un sa\u011flad\u0131\u011f\u0131 g\u00fcvenlik, \u015feffafl\u0131k ve merkeziyetsizlik \u00f6zelliklerinden faydalan\u0131r. Ancak madencilik faaliyetleri enerji yo\u011fun oldu\u011fundan PoW coinlerin \u00e7evresel etkileri s\u0131k\u00e7a tart\u0131\u015fma konusudur.<\/p>\n<p><strong>PoW (Proof of Work) ve PoS (Proof of Stake) Nedir?<\/strong><\/p>\n<p><strong>Proof of Work (PoW):<\/strong>PoW, blockchain a\u011flar\u0131nda g\u00fcvenli\u011fi sa\u011flamak ve i\u015flemleri do\u011frulamak i\u00e7in kullan\u0131lan bir konsens\u00fcs mekanizmas\u0131d\u0131r.<\/p>\n<ul>\n<li>Madenciler, karma\u015f\u0131k matematiksel problemleri \u00e7\u00f6zmek i\u00e7in y\u00fcksek i\u015flem g\u00fcc\u00fc kullan\u0131r. Bu problemlerin \u00e7\u00f6z\u00fcm\u00fc, yeni bloklar eklenmesi ve a\u011f\u0131n g\u00fcvenli\u011finin sa\u011flanmas\u0131 i\u00e7in gereklidir.<\/li>\n<li>Bitcoin ve Litecoin gibi coinler PoW mekanizmas\u0131n\u0131 kullan\u0131r.<\/li>\n<li>Avantaj\u0131: A\u011f\u0131 sald\u0131r\u0131lara kar\u015f\u0131 dayan\u0131kl\u0131 hale getirir.<\/li>\n<li>Dezavantaj\u0131: Y\u00fcksek enerji t\u00fcketimi ve pahal\u0131 ekipman gereksinimi.<\/li>\n<\/ul>\n<p><strong>Proof of Stake (PoS):<\/strong><br \/>\nPoS, madencili\u011fe alternatif bir konsens\u00fcs mekanizmas\u0131d\u0131r ve enerji t\u00fcketimini azaltmay\u0131 hedefler.<\/p>\n<ul>\n<li>PoS\u2019ta, i\u015flemleri do\u011frulamak i\u00e7in madenciler yerine do\u011frulay\u0131c\u0131lar (validators) vard\u0131r. Bu do\u011frulay\u0131c\u0131lar, a\u011fa belirli miktarda coin kilitler (stake eder).<\/li>\n<li>Do\u011frulay\u0131c\u0131lar rastgele se\u00e7ilir ve i\u015flemleri do\u011frulama hakk\u0131 kazan\u0131r. Daha fazla coin stake edenlerin se\u00e7ilme \u015fans\u0131 daha y\u00fcksektir.<\/li>\n<li>Ethereum 2.0 ve Cardano gibi a\u011flar PoS mekanizmas\u0131n\u0131 kullan\u0131r.<\/li>\n<li>Avantaj\u0131: Daha \u00e7evre dostu ve enerji verimlidir.<\/li>\n<li>Dezavantaj\u0131: Stake edilen coin miktar\u0131na ba\u011fl\u0131 olarak varl\u0131k sahipleri daha fazla avantaj elde eder. Bu da merkeziyetsizlik riskini do\u011furabilir.<\/li>\n<\/ul>\n<p><b>\u00d6zetlemek gerekirse:<\/b><\/p>\n<ul>\n<li>PoW, i\u015flem g\u00fcc\u00fcne dayan\u0131r ve daha g\u00fcvenlidir ama enerji yo\u011fundur.<\/li>\n<li>PoS, coin kilitlemeye dayan\u0131r, \u00e7evre dostudur ama zengin do\u011frulay\u0131c\u0131lara avantaj sa\u011flayabilir. Hangi mekanizman\u0131n kullan\u0131laca\u011f\u0131, a\u011f\u0131n ihtiya\u00e7lar\u0131na ve \u00f6nceliklerine ba\u011fl\u0131d\u0131r.<\/li>\n<\/ul>\n<h2 class=\"&quot;&lt;strong\">\t<span id=\"ele\u015ftirileri\"><\/span>\n\t 3. Proof of Work Ele\u015ftirileri<\/h2>\n<p data-block-id=\"28547168-1527-498e-bfb8-4e08c1d46d1c\">Proof of Work, konsens\u00fcs algoritmas\u0131n\u0131n bir\u00e7ok ele\u015ftiriye maruz kald\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcyoruz. \u00d6zellikle, yaln\u0131zca rastgele tahminler \u00fcretmek i\u00e7in b\u00fcy\u00fck miktarda hesaplama g\u00fcc\u00fc harcanmas\u0131 ele\u015ftirilmektedir. Bunun yan\u0131 s\u0131ra, bu s\u00fcre\u00e7te y\u00fcksek seviyede elektrik t\u00fcketimi de ba\u015fl\u0131ca ele\u015ftirilen noktalar aras\u0131nda yer al\u0131yor.<\/p>\n<p data-block-id=\"b8939546-f7c2-4b65-8f53-4cdcd9c5b09f\">Madencilerin madencilik havuzlar\u0131nda bir araya gelmesi m\u00fcmk\u00fcnd\u00fcr. Fakat merkeziyet\u00e7ilik sorununu g\u00fcndeme getirebilir. Bu durum, belirli bir <a href=\"https:\/\/99bitcoins.com\/tr\/bitcoin-madenciligi\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>madencilik<\/strong><\/a> havuzunun \u00e7ok fazla g\u00fcce sahip olmas\u0131na yol a\u00e7abilir.<\/p>\n<p data-block-id=\"d01864ad-f87d-4fb2-8f45-2edb7e12ce2d\">Bu durumda, blockchain \u00fczerinde %51 sald\u0131r\u0131s\u0131 ger\u00e7ekle\u015ftirme riski ortaya \u00e7\u0131kabilir.<\/p>\n<p data-block-id=\"5f9dc33c-4faa-4153-93f2-a11d1787a62f\">Son olarak, PoW ile madencilik operasyonunuzu \u00f6l\u00e7eklendirebilirsiniz. Bu sayede, bir sonraki blo\u011fu madencilik yapma \u015fans\u0131n\u0131z\u0131 katlanarak art\u0131rabilirsiniz. Bu da daha zengin madencilere haks\u0131z bir avantaj sa\u011flar. Bu sebeplerden dolay\u0131, daha az enerji t\u00fcketen Proof of Stake gibi alternatif konsens\u00fcs mekanizmalar\u0131 \u00f6nerilmeye ba\u015flanm\u0131\u015ft\u0131r.<\/p>\n<h2 data-block-id=\"933b5eb2-6e26-415a-b6d7-095c19d89579\"><strong>\t<span id=\"vs\"><\/span>\n\t4. Proof of Work vs. Proof of Stake<\/strong><\/h2>\n<p data-block-id=\"a97423b8-8198-4e74-af9f-54e2ee085026\">Proof of Work&#8217;a bir alternatif olarak \u00f6nerilen sistemlerden biri Proof of Stake (PoS) mekanizmas\u0131d\u0131r. PoS, bir madencinin bir zorlu\u011fa yan\u0131t kan\u0131t\u0131 sunmas\u0131n\u0131 gerektirmek yerine, belirli bir miktar paray\u0131 stake etmesini zorunlu k\u0131lar. \u015e\u00f6yle a\u00e7\u0131klayal\u0131m:<\/p>\n<p data-block-id=\"684e4861-0415-4e94-bf1d-a45f46cac9fa\">Proof of Stake (PoS) sisteminde, madenciler yerine do\u011frulay\u0131c\u0131lar (validators) yer al\u0131r. Do\u011frulay\u0131c\u0131 olmak i\u00e7in belirli bir miktar coin stake etmeniz gerekir. Ne kadar \u00e7ok coin stake ederseniz, bir sonraki do\u011frulay\u0131c\u0131 olarak rastgele se\u00e7ilme \u015fans\u0131n\u0131z o kadar artar.<\/p>\n<p data-block-id=\"4c67b2fb-7b43-4ca3-b83d-3d6a3a0ba4b2\">E\u011fer bir do\u011frulay\u0131c\u0131 olarak se\u00e7ilir ve k\u00f6t\u00fc niyetle sahte i\u015flemleri onaylarsan\u0131z, stake etti\u011finiz coinler elinizden al\u0131n\u0131r. Bu durum, do\u011frulay\u0131c\u0131lar\u0131n kurallara uymas\u0131n\u0131 ekonomik olarak te\u015fvik eder.<\/p>\n<p data-block-id=\"dd7ab18d-381e-4df3-a27e-45f141e424c9\">PoS, PoW\u2019a g\u00f6re daha kolay, daha ucuz ve daha az enerji t\u00fcketen bir alternatif olarak kabul edilir. Ancak PoS\u2019un da baz\u0131 dezavantajlar\u0131 vard\u0131r.<\/p>\n<p data-block-id=\"76d54b43-d776-4a53-a92b-db7582fc88ef\">\u0130lk olarak, bir %51 sald\u0131r\u0131s\u0131 ger\u00e7ekle\u015ftirmek i\u00e7in sistemdeki \u00e7o\u011funluk hisselerini sat\u0131n alabilirsiniz. Bunun i\u00e7in Bitcoin gibi bir a\u011fda coinlerin piyasa de\u011ferinin %51&#8217;ine (y\u00fcz milyarlarca dolara) sahip olman\u0131z gerekir. Ancak bu yine de m\u00fcmk\u00fcnd\u00fcr. Oysa PoW\u2019da bu senaryo Bitcoin gibi g\u00fc\u00e7l\u00fc a\u011flarda imk\u00e2ns\u0131zd\u0131r.<\/p>\n<p data-block-id=\"acdf19cf-c627-4462-82ea-785b5eedc429\">\u0130kinci olarak, do\u011frulay\u0131c\u0131lar yaln\u0131zca stake ettikleri para miktar\u0131na g\u00f6re se\u00e7ilirse, zengin ki\u015filere yine haks\u0131z bir avantaj sa\u011flanm\u0131\u015f olur. Dahas\u0131, bu ki\u015filer a\u011fdaki t\u00fcm i\u015flem \u00fccretlerini toplad\u0131klar\u0131 i\u00e7in daha da zenginle\u015firler.<\/p>\n<h2 data-block-id=\"3098d064-b1b5-4ec1-9b68-3885c99bf01e\"><strong>\t<span id=\"sonu\u00e7\"><\/span>\n\t5. Sonu\u00e7<\/strong><\/h2>\n<p data-block-id=\"150fb76e-90e8-4538-badc-6048c3955790\">Merkeziyetsiz bir a\u011f olu\u015fturmak istiyorsan\u0131z, bir konsens\u00fcs algoritmas\u0131na ihtiyac\u0131n\u0131z var. Bug\u00fcn en pop\u00fcler olan\u0131 Proof of Work (PoW) olsa da, birka\u00e7 alternatif mevcut. \u015eu an i\u00e7in PoW, Bitcoin a\u011f\u0131n\u0131 k\u00f6t\u00fc niyetli akt\u00f6rlerden koruma konusundaki yetene\u011fini kan\u0131tlam\u0131\u015f g\u00f6r\u00fcn\u00fcyor. Bug\u00fcne kadar hi\u00e7 kimse a\u011f \u00fczerinde %51 sald\u0131r\u0131s\u0131 ger\u00e7ekle\u015ftiremedi ya da ge\u00e7mi\u015f i\u015flemleri geri alamad\u0131.<\/p>\n<p data-block-id=\"e7972f67-174f-4f94-aba6-fb3119b4106d\">Olumsuz taraf\u0131, Bitcoin a\u011f\u0131 \u00e7ok b\u00fcy\u00fck miktarda enerji t\u00fcketiyor. Baz\u0131lar\u0131na g\u00f6re bu, gerekli bir bedel.<\/p>\n<p data-block-id=\"aef169ec-8c64-4862-a888-462fe30ce537\">Siz Proof of Work hakk\u0131nda ne d\u00fc\u015f\u00fcn\u00fcyorsunuz? Bu sisteme de\u011fer mi? Ya da ilgin\u00e7 ba\u015fka konsens\u00fcs algoritmalar\u0131 duydunuz mu? G\u00f6r\u00fc\u015flerinizi a\u015fa\u011f\u0131daki yorum b\u00f6l\u00fcm\u00fcnde payla\u015fabilirsiniz.<\/p>\n<p data-block-id=\"f6bbecc3-c7e4-4a08-9c25-b5d79188cda5\">Proof of Work (PoW) nedir? PoW, blockchain a\u011flar\u0131nda i\u015flemleri do\u011frulamak ve yeni bloklar eklemek i\u00e7in kullan\u0131lan bir konsens\u00fcs mekanizmas\u0131d\u0131r.<\/p>\n<p data-block-id=\"9485fbfc-ff14-44dd-a87b-6b3d32ec3a70\">Madenciler, zor matematiksel problemleri \u00e7\u00f6zerek a\u011f g\u00fcvenli\u011fini sa\u011flar. Enerji yo\u011fun olsa da, a\u011f\u0131n merkeziyetsiz ve g\u00fcvenilir olmas\u0131n\u0131 garanti eder.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Proof of Work (POW), Bitcoin madencili\u011finde kullan\u0131lan konsens\u00fcs mekanizmas\u0131d\u0131r. Bu kafa kar\u0131\u015ft\u0131r\u0131c\u0131 c\u00fcmlenin ne anlama geldi\u011fini \u00f6\u011frenmek i\u00e7in okumaya devam edin. Proof of Work Nedir? \u00d6zet Blockchain teknolojisinin temelini olu\u015fturan bu mekanizma, i\u015flemlerin g\u00fcvenli bir \u015fekilde do\u011frulanmas\u0131n\u0131 sa\u011flar. Ayr\u0131ca, yeni bloklar\u0131n zincire eklenmesi i\u00e7in kullan\u0131lan bir konsens\u00fcs algoritmas\u0131d\u0131r. Proof of Work ne ifade eder? Bitcoin..<\/p>\n","protected":false},"author":135934,"featured_media":6441,"parent":5204,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6438","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Proof of Work Nedir? - 99bitcoins TR<\/title>\n<meta name=\"description\" content=\"Proof of Work (PoW) nedir? Blockchain i\u015flemlerini do\u011frulay\u0131p a\u011f g\u00fcvenli\u011fini sa\u011flar. 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