{"id":869,"date":"2026-03-02T14:07:03","date_gmt":"2026-03-02T13:07:03","guid":{"rendered":"https:\/\/kriptoblog.hu\/?p=869"},"modified":"2026-03-02T14:07:03","modified_gmt":"2026-03-02T13:07:03","slug":"bitcoin-banyaszat-energiafogyasztasa-tenyek-es-mitoszok","status":"publish","type":"post","link":"https:\/\/kriptoblog.hu\/en\/bitcoin-banyaszat-energiafogyasztasa-tenyek-es-mitoszok\/","title":{"rendered":"Bitcoin Mining Energy Consumption \u2014 Facts and Myths"},"content":{"rendered":"<p>\u201eA Bitcoin annyi energi\u00e1t fogyaszt, mint Argent\u00edna!&#8221; \u2014 sz\u00f3lt a 2021-es c\u00edmlap, \u00e9s milli\u00f3k sz\u00e1m\u00e1ra ezzel le is z\u00e1rult a k\u00e9rd\u00e9s. De <strong>mi van, ha az eg\u00e9sz \u00f6sszehasonl\u00edt\u00e1s f\u00e9lrevezet\u0151?<\/strong> Mi van, ha a fogyaszt\u00e1s m\u00e9rt\u00e9ke mellett legal\u00e1bb annyira fontos a fogyaszt\u00e1s min\u0151s\u00e9ge? \u00c9s mi van, ha \u00e9ppen a b\u00e1ny\u00e1szat seg\u00edt stabiliz\u00e1lni a meg\u00fajul\u00f3 energiah\u00e1l\u00f3zatokat? Ebben a cikkben sz\u00e1mokkal, kontextussal \u00e9s tudom\u00e1nyos forr\u00e1sokkal t\u00e9rk\u00e9pezz\u00fck fel, amit a Bitcoin energiafogyaszt\u00e1s\u00e1r\u00f3l val\u00f3ban tudni \u00e9rdemes \u2014 \u00e9s amit a szalagc\u00edmek rendszerint elfelejtkeznek megeml\u00edteni.<\/p>\n<h2>The Numbers: How Much Energy Does Bitcoin Actually Consume?<\/h2>\n<p>A leghivatkozottabb forr\u00e1s a <a href=\"https:\/\/www.jbs.cam.ac.uk\/2023\/bitcoin-electricity-consumption\/\" target=\"_blank\" rel=\"noopener\">Cambridge Bitcoin Electricity Consumption Index (CBECI)<\/a>, amelyet a Cambridge Egyetem Centre for Alternative Finance (CCAF) \u00fczemeltet. A 2025-\u00f6s Cambridge Digital Mining Industry Report szerint a Bitcoin h\u00e1l\u00f3zat \u00e9ves villamosenergia-fogyaszt\u00e1sa <strong>138 TWh<\/strong> (terawatt\u00f3ra), ami a <a href=\"https:\/\/www.jbs.cam.ac.uk\/2025\/cambridge-study-sustainable-energy-rising-in-bitcoin-mining\/\" target=\"_blank\" rel=\"noopener\">glob\u00e1lis villamosenergia-fogyaszt\u00e1s k\u00f6r\u00fclbel\u00fcl 0,5%-a<\/a>.<\/p>\n<p>M\u00e1s becsl\u00e9sek enn\u00e9l magasabbra teszik a sz\u00e1mot: a <a href=\"https:\/\/coinlaw.io\/cryptocurrency-mining-energy-consumption-statistics\/\" target=\"_blank\" rel=\"noopener\">CoinLaw 2025-\u00f6s statisztik\u00e1i<\/a> szerint ak\u00e1r 173 TWh is lehet az \u00e9ves fogyaszt\u00e1s, m\u00edg a Digiconomist Bitcoin Energy Consumption Index konzervat\u00edvabb m\u00f3dszertannal dolgozik.<\/p>\n<p>But what do these numbers mean in context?<\/p>\n<h2>The Trap of False Comparisons<\/h2>\n<p>A m\u00e9dia kedvenc tr\u00fckkje az orsz\u00e1g-\u00f6sszehasonl\u00edt\u00e1s: \u201eA Bitcoin annyi energi\u00e1t fogyaszt, mint Lengyelorsz\u00e1g\/Argent\u00edna\/Norv\u00e9gia.&#8221; Ez technikailag igaz lehet \u2014 de <strong>teljesen kontextus n\u00e9lk\u00fcli<\/strong>.<\/p>\n<p>Let's look at some less commonly mentioned comparisons:<\/p>\n<ul>\n<li>A <strong>glob\u00e1lis bankrendszer<\/strong> \u2014 ATM-ek, szervertermek, iroda\u00e9p\u00fcletek, fi\u00f3kok klimatiz\u00e1l\u00e1sa \u2014 becsl\u00e9sek szerint <a href=\"https:\/\/www.okx.com\/learn\/bitcoin-energy-consumption\" target=\"_blank\" rel=\"noopener\">\u00e9vi 260 TWh-t fogyaszt<\/a>, k\u00f6zel dupl\u00e1j\u00e1t a Bitcoinnak<\/li>\n<li>The <strong>arany b\u00e1ny\u00e1szat \u00e9s feldolgoz\u00e1s<\/strong> \u00e9vente k\u00f6r\u00fclbel\u00fcl 130-240 TWh-t em\u00e9szt fel, hasonl\u00f3 nagys\u00e1grendben<\/li>\n<li>The <strong>USA kar\u00e1csonyi d\u00edszkivil\u00e1g\u00edt\u00e1sa<\/strong> \u00f6nmag\u00e1ban t\u00f6bb energi\u00e1t haszn\u00e1l, mint egyes fejl\u0151d\u0151 orsz\u00e1gok \u00e9ves fogyaszt\u00e1sa<\/li>\n<li>A <strong>h\u00e1ztart\u00e1si sz\u00e1r\u00edt\u00f3g\u00e9pek<\/strong> az USA-ban \u00e9vente ~100 TWh-t fogyasztanak<\/li>\n<\/ul>\n<p> A k\u00e9rd\u00e9s teh\u00e1t nem az, hogy \u201esok-e&#8221; a Bitcoin energiafogyaszt\u00e1sa \u2014 hanem hogy <strong>mihez k\u00e9pest, \u00e9s milyen \u00e9rt\u00e9ket teremt cser\u00e9be<\/strong>. <\/p>\n<h2>Consumption Does Not Equal Carbon Footprint<\/h2>\n<p>Ez a legkritikusabb pont, amelyet a legt\u00f6bb m\u00e9diaelemz\u00e9s elsiklik. A villamosenergia-fogyaszt\u00e1s \u00f6nmag\u00e1ban <strong>semmit nem mond<\/strong> a k\u00f6rnyezeti hat\u00e1sr\u00f3l. Ami sz\u00e1m\u00edt, az az energia-mix: milyen forr\u00e1sokb\u00f3l sz\u00e1rmazik az \u00e1ram.<\/p>\n<p>A 2025-\u00f6s Cambridge tanulm\u00e1ny szerint a Bitcoin b\u00e1ny\u00e1szat energiamix\u00e9nek <strong>52,4%-a fenntarthat\u00f3 forr\u00e1sb\u00f3l<\/strong> sz\u00e1rmazik (meg\u00fajul\u00f3 + nukle\u00e1ris), szemben a 2022-es 37,6%-kal. A f\u00f6ldg\u00e1z r\u00e9szar\u00e1nya 38,2%-ra n\u0151tt, m\u00edg a sz\u00e9n 36,6%-r\u00f3l <strong>8,9%-ra zuhant<\/strong> \u2014 ez a b\u00e1ny\u00e1szat egyik legjelent\u0151sebb \u00e9s legkev\u00e9sb\u00e9 kommunik\u00e1lt sikert\u00f6rt\u00e9nete.<\/p>\n<p>A h\u00e1l\u00f3zat szint\u0171 CO\u2082-kibocs\u00e1t\u00e1s a Cambridge becsl\u00e9se szerint <a href=\"https:\/\/www.jbs.cam.ac.uk\/2025\/cambridge-study-sustainable-energy-rising-in-bitcoin-mining\/\" target=\"_blank\" rel=\"noopener\">\u00e9vi 39,8 MtCO\u2082e<\/a> (megatonna sz\u00e9n-dioxid-egyen\u00e9rt\u00e9k). Ez jelent\u0151s sz\u00e1m, de kontextusban: a glob\u00e1lis CO\u2082-kibocs\u00e1t\u00e1s k\u00f6r\u00fclbel\u00fcl 37 milli\u00e1rd tonna \u2014 a Bitcoin ebb\u0151l <strong>0,1%-ot<\/strong> k\u00e9pvisel.<\/p>\n<h2>Difficulty Adjustment and Energy Efficiency<\/h2>\n<p>The Bitcoin protocol's built-in difficulty adjustment mechanism ensures that on average a block is produced every 10 minutes \u2014 regardless of how many miners are competing. This means that hashrate growth doesn't necessarily translate to proportional energy consumption growth.<\/p>\n<p>Why? Because ASIC chip efficiency is continuously improving. The J\/TH (joules per terahash) metric \u2014 which measures mining hardware energy efficiency \u2014 has decreased drastically over the past decade:<\/p>\n<ul>\n<li><strong>2013<\/strong> (Antminer S1): ~1,000 J\/TH<\/li>\n<li><strong>2018<\/strong> (Antminer S9): ~98 J\/TH<\/li>\n<li><strong>2024<\/strong> (Antminer S21): ~17,5 J\/TH<\/li>\n<\/ul>\n<p> Ez azt jelenti, hogy a h\u00e1l\u00f3zat <strong>t\u00f6bb mint 50-szer hat\u00e9konyabb<\/strong> lett egy \u00e9vtized alatt. A hashrate k\u00f6zben a sokszoros\u00e1ra n\u0151tt, de az energiafogyaszt\u00e1s messze nem k\u00f6vette ugyanilyen \u00fctemben. <\/p>\n<h2>Mining as a Grid Stabilizer<\/h2>\n<p>One of the most interesting \u2014 and least known \u2014 aspects is the symbiosis between mining and renewable energy grids. Solar and wind energy production is intermittent: during the day more electricity is generated than the grid can absorb, and at night or during calm conditions, less.<\/p>\n<p>A Bitcoin b\u00e1ny\u00e1szok <strong>rugalmas fogyaszt\u00f3k\u00e9nt<\/strong> m\u0171k\u00f6dhetnek: bekapcsolnak, amikor felesleg van (\u00e9s az \u00e1ram olcs\u00f3), kikapcsolnak, amikor a h\u00e1l\u00f3zat fesz\u00edtett. Ez a \u201edemand response&#8221; modell egyre t\u00f6bb energiac\u00e9g figyelm\u00e9t kelti fel \u2014 a texasi <a href=\"https:\/\/www.tftc.io\/bitcoin-mining-media-narratives\/\" target=\"_blank\" rel=\"noopener\">ERCOT h\u00e1l\u00f3zatban<\/a> a b\u00e1ny\u00e1szok m\u00e1r akt\u00edvan r\u00e9szt vesznek a h\u00e1l\u00f3zatkiegyenl\u00edt\u00e9sben.<\/p>\n<p>A <a href=\"https:\/\/coinlaw.io\/cryptocurrency-mining-energy-consumption-statistics\/\" target=\"_blank\" rel=\"noopener\">CoinLaw statisztik\u00e1k<\/a> szerint a nagy b\u00e1ny\u00e1szc\u00e9gek <strong>t\u00f6bb mint 40%-a<\/strong> alkalmaz dinamikus terhel\u00e9seloszt\u00e1st (dynamic load flexibility) a k\u00f6lts\u00e9g- \u00e9s sz\u00e9nl\u00e1bnyom-cs\u00f6kkent\u00e9s \u00e9rdek\u00e9ben.<\/p>\n<h2>The Narrative War<\/h2>\n<p>A Bitcoin energiafogyaszt\u00e1sa k\u00f6r\u00fcli vita nem puszt\u00e1n technikai \u2014 hanem <strong>narrat\u00edv h\u00e1bor\u00fa<\/strong>. A Mongabay 2025-\u00f6s elemz\u00e9se szerint a Bitcoin <a href=\"https:\/\/news.mongabay.com\/2025\/06\/bitcoin-boom-comes-with-huge-intensifying-environmental-footprint\/\" target=\"_blank\" rel=\"noopener\">\u00e9vi 98 milli\u00f3 tonna CO\u2082-t bocs\u00e1t ki<\/a> \u2014 ez a sz\u00e1m azonban a Digiconomist m\u00f3dszertan\u00e1ra \u00e9p\u00fcl, amely l\u00e9nyegesen pesszimist\u00e1bb a Cambridge-\u00e9n\u00e9l.<\/p>\n<p>Melyik az igaz? Val\u00f3sz\u00edn\u0171leg <strong>mindkett\u0151 \u00e9s egyik sem<\/strong>. A b\u00e1ny\u00e1sz energiamix \u00f6nbevall\u00e1son alapul, a metodol\u00f3gi\u00e1k elt\u00e9r\u0151ek, \u00e9s a szektorban gyors a v\u00e1ltoz\u00e1s. Amit biztosan tudunk: a trend javul, a sz\u00e9n ar\u00e1nya drasztikusan cs\u00f6kken, \u00e9s a meg\u00fajul\u00f3 energia r\u00e9szesed\u00e9se n\u0151.<\/p>\n<h2>Summary: Context Is the Foundation of Everything<\/h2>\n<p>A Bitcoin energiafogyaszt\u00e1sa re\u00e1lis probl\u00e9ma \u2014 de nem az az apokalipszis, amelyet a szalagc\u00edmek sugallnak. <strong>138-173 TWh \u00e9ves fogyaszt\u00e1s a glob\u00e1lis energiafelhaszn\u00e1l\u00e1s t\u00f6red\u00e9ke<\/strong>, a sz\u00e9nl\u00e1bnyom gyorsan cs\u00f6kken, \u00e9s a b\u00e1ny\u00e1szat egyre ink\u00e1bb a meg\u00fajul\u00f3 energiaforr\u00e1sokat prefer\u00e1lja \u2014 r\u00e9szben gazdas\u00e1gi, r\u00e9szben k\u00f6rnyezeti okokb\u00f3l.<\/p>\n<p>Aki a sz\u00e1mokat kontextus n\u00e9lk\u00fcl t\u00e1lalva hoz d\u00f6nt\u00e9st, az nem inform\u00e1lt \u2014 hanem manipul\u00e1lt. <strong>A t\u00e9nyek ismerete nem csak a b\u00e1ny\u00e1szoknak fontos: mindenkinek, aki a Bitcoin j\u00f6v\u0151j\u00e9r\u0151l v\u00e9lem\u00e9nyt form\u00e1l.<\/strong><\/p>\n<hr>\n<h3>Sources<\/h3>\n<li><a href=\"https:\/\/www.jbs.cam.ac.uk\/2023\/bitcoin-electricity-consumption\/\" target=\"_blank\" rel=\"noopener\">Cambridge CBECI \u2014 Bitcoin electricity consumption assessment<\/a> \u2014 m\u00f3dszertani h\u00e1tt\u00e9r<\/li>\n<li><a href=\"https:\/\/www.jbs.cam.ac.uk\/2025\/cambridge-study-sustainable-energy-rising-in-bitcoin-mining\/\" target=\"_blank\" rel=\"noopener\">Cambridge JBS \u2014 Sustainable energy rising in Bitcoin mining (2025)<\/a> \u2014 52,4% fenntarthat\u00f3 energia<\/li>\n<li><a href=\"https:\/\/coinlaw.io\/cryptocurrency-mining-energy-consumption-statistics\/\" target=\"_blank\" rel=\"noopener\">CoinLaw \u2014 Cryptocurrency Mining Energy Consumption Statistics 2025<\/a> \u2014 \u00e1tfog\u00f3 statisztik\u00e1k<\/li>\n<li><a href=\"https:\/\/www.okx.com\/learn\/bitcoin-energy-consumption\" target=\"_blank\" rel=\"noopener\">OKX Learn \u2014 Bitcoin&#8217;s Energy Consumption<\/a> \u2014 \u00f6sszehasonl\u00edt\u00f3 elemz\u00e9s<\/li>\n<li><a href=\"https:\/\/news.mongabay.com\/2025\/06\/bitcoin-boom-comes-with-huge-intensifying-environmental-footprint\/\" target=\"_blank\" rel=\"noopener\">Mongabay \u2014 Bitcoin boom environmental footprint (2025)<\/a> \u2014 kritikus n\u00e9z\u0151pont<\/li>\n<li><a href=\"https:\/\/finance.yahoo.com\/news\/professor-coin-bitcoin-energy-future-170103286.html\" target=\"_blank\" rel=\"noopener\">Yahoo Finance \/ Cambridge Report<\/a> \u2014 138 TWh \u00e9s 39,8 MtCO\u2082e<\/li>\n<li><a href=\"https:\/\/www.tftc.io\/bitcoin-mining-media-narratives\/\" target=\"_blank\" rel=\"noopener\">TFTC \u2014 Bitcoin Mining and Media Narratives<\/a> \u2014 narrat\u00edva-elemz\u00e9s<\/li>","protected":false},"excerpt":{"rendered":"<p>\u201eA Bitcoin annyi energi\u00e1t fogyaszt, mint Argent\u00edna!&#8221; \u2014 sz\u00f3lt a 2021-es c\u00edmlap, \u00e9s milli\u00f3k sz\u00e1m\u00e1ra ezzel le is z\u00e1rult a k\u00e9rd\u00e9s. De mi van, ha az eg\u00e9sz \u00f6sszehasonl\u00edt\u00e1s f\u00e9lrevezet\u0151? Mi van, ha a fogyaszt\u00e1s m\u00e9rt\u00e9ke mellett legal\u00e1bb annyira fontos a fogyaszt\u00e1s min\u0151s\u00e9ge? \u00c9s mi van, ha \u00e9ppen a b\u00e1ny\u00e1szat seg\u00edt stabiliz\u00e1lni a meg\u00fajul\u00f3 energiah\u00e1l\u00f3zatokat? Ebben [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":969,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[22,123,21,4,122,119,142,129],"class_list":["post-869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-banyaszat","tag-antminer","tag-asic","tag-banyaszat","tag-bitcoin","tag-energia","tag-hashrate","tag-megujulo-energia","tag-usa"],"_links":{"self":[{"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/posts\/869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/comments?post=869"}],"version-history":[{"count":1,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/posts\/869\/revisions"}],"predecessor-version":[{"id":970,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/posts\/869\/revisions\/970"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/media\/969"}],"wp:attachment":[{"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/media?parent=869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/categories?post=869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kriptoblog.hu\/en\/wp-json\/wp\/v2\/tags?post=869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}