{"id":16385,"date":"2021-10-28T17:17:00","date_gmt":"2021-10-28T14:17:00","guid":{"rendered":"http:\/\/economic.karpat.in.ua\/?p=16385"},"modified":"2021-10-28T01:21:34","modified_gmt":"2021-10-27T22:21:34","slug":"az-osszes-bitcoin-egyharmada-tizezer-ember-tulajdonaban-van","status":"publish","type":"post","link":"https:\/\/economic.karpat.in.ua\/?p=16385&lang=hu","title":{"rendered":"Az \u00f6sszes bitcoin egyharmada t\u00edzezer ember tulajdon\u00e1ban van"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A National Bureau of Economic Research (NBER) nev\u0171 gazdas\u00e1gi int\u00e9zet a leg\u00fajabb tanulm\u00e1nya szerint a vil\u00e1g legnagyobb virtu\u00e1lis fizet\u0151eszk\u00f6z\u00e9nek fejl\u0151d\u00e9se csup\u00e1n viszonylag kev\u00e9s ember sz\u00e1nd\u00e9kait\u00f3l f\u00fcgg. Az \u00f6sszes bitcoin egyharmada a fels\u0151 t\u00edzezer befektet\u0151 tulajdon\u00e1ban van. A Bloomberg r\u00e1mutatott, hogy a kriptovaluta hatalomkoncentr\u00e1ci\u00f3j\u00e1ra semmilyen hat\u00e1ssal nem volt annak n\u00f6vekv\u0151 n\u00e9pszer\u0171s\u00e9ge.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"564\" src=\"http:\/\/economic.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bitkoint-kriptovaluta.jpg\" alt=\"\" class=\"wp-image-11270\" srcset=\"https:\/\/economic.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bitkoint-kriptovaluta.jpg 810w, https:\/\/economic.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bitkoint-kriptovaluta-300x209.jpg 300w, https:\/\/economic.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bitkoint-kriptovaluta-768x535.jpg 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A National Bureau of Economic Research k\u00fcl\u00f6nbs\u00e9get tett a mag\u00e1nszem\u00e9lyek \u00e9s a t\u00f6bb egy\u00e9n bitcoin-vagyon\u00e1t kezel\u0151 emberek k\u00f6z\u00f6tt. A dokumentum k\u00e9sz\u00edt\u0151i, Igor Makarov \u00e9s Antoinette Schoar megvizsg\u00e1lt\u00e1k a bitcoin-c\u00edmeket, de nem volt kiz\u00e1rhat\u00f3, hogy egy szem\u00e9ly tulajdon\u00e1ban t\u00f6bb c\u00edm is van, s\u0151t, mint kider\u00fclt, annak igen nagy a val\u00f3sz\u00edn\u0171s\u00e9ge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kriptovaluta-termel\u0151kn\u00e9l m\u00e9g nagyobb a hatalomkoncentr\u00e1ci\u00f3, ugyanis a 10 sz\u00e1zal\u00e9kuk birtokolja a teljes b\u00e1ny\u00e1szati kapacit\u00e1s 90 sz\u00e1zal\u00e9k\u00e1t. S\u0151t, a 0,1 sz\u00e1zal\u00e9kuk \u2013 ami k\u00f6r\u00fclbel\u00fcl 50 b\u00e1ny\u00e1szt jelent \u2013 kez\u00e9ben van a teljes termel\u00e9si kapacit\u00e1s fele. Emiatt fenn\u00e1ll a vesz\u00e9lye annak, hogy ha n\u00e9h\u00e1ny b\u00e1ny\u00e1sz \u00f6sszefog \u00e9s a saj\u00e1t sz\u00e1ja \u00edze szerint hajtja v\u00e9gre a tranzakci\u00f3kat vagy elutas\u00edtja azokat, de ak\u00e1r hamis tranzakci\u00f3kat is kezdem\u00e9nyezhet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k szerint az eredm\u00e9nyek azt mutatt\u00e1k, hogy a bitcoin-\u00f6korendszert m\u00e9g mindig a nagy j\u00e1t\u00e9kosok uralj\u00e1k, s ez f\u00fcggetlen att\u00f3l, hogy b\u00e1ny\u00e1szokr\u00f3l, tulajdonosokr\u00f3l vagy a t\u0151zsd\u00e9r\u0151l van sz\u00f3. Ez a koncentr\u00e1ci\u00f3 sebezhet\u0151v\u00e9 teszi a virtu\u00e1lis fizet\u0151eszk\u00f6zt a rendszerszint\u0171 kock\u00e1zatokkal szemben \u00e9s lehet\u0151v\u00e9 teszi, hogy a nyeres\u00e9g nagy r\u00e9sz\u00e9t egy kis csoport f\u00f6l\u00f6zze le.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/m.sg.hu\/cikk.php?cid=147513\" target=\"_blank\" rel=\"noreferrer noopener\">(sg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A National Bureau of Economic Research (NBER) nev\u0171 gazdas\u00e1gi int\u00e9zet a leg\u00fajabb tanulm\u00e1nya szerint a vil\u00e1g legnagyobb virtu\u00e1lis fizet\u0151eszk\u00f6z\u00e9nek fejl\u0151d\u00e9se csup\u00e1n viszonylag kev\u00e9s ember sz\u00e1nd\u00e9kait\u00f3l f\u00fcgg. <\/p>\n","protected":false},"author":12,"featured_media":14279,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,39],"tags":[29610,4461],"class_list":["post-16385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-vilag","tag-hatalomkoncentracio","tag-kriptovaluta"],"_links":{"self":[{"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/16385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16385"}],"version-history":[{"count":0,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/16385\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/14279"}],"wp:attachment":[{"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/economic.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}