{"id":398443,"date":"2022-01-24T14:45:10","date_gmt":"2022-01-24T11:45:10","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/nft-marketplace-bug-undervalues-tokens-helps-exploiter-nab-750000\/"},"modified":"2022-01-24T14:45:10","modified_gmt":"2022-01-24T11:45:10","slug":"nft-marketplace-bug-undervalues-tokens-helps-exploiter-nab-750000","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/nft-marketplace-bug-undervalues-tokens-helps-exploiter-nab-750000\/","title":{"rendered":"# NFT marketplace bug undervalues tokens, helps exploiter nab $750,000"},"content":{"rendered":"<p>&#8220;<strong># NFT marketplace bug undervalues tokens, helps exploiter nab $750,000 <\/strong>&#8221;<\/p>\n<div class=\"post-content\" data-v-128018ef>A bug in the front end of popular nonfungible token (NFT) marketplace OpenSea has reportedly led to an exploit allowing users to buy popular NFTs at their previous listing price.<\/p>\n<p>The bug seems to be prevalent with Bored Ape Yacht Club (BAYC) and Mutant Ape Yacht Club (MAYC) NFT collectibles, where the exploiter managed to buy them at their old listing price and then sold them for the current market price. The affected NFTs include BAYC #9991, BAYC #8924, MAYC #4986.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/s3.cointelegraph.com\/uploads\/2022-01\/0576f0e2-cab0-4967-8796-ac506f77136c.jpg\" alt=\"\" title=\"\"><figcaption style=\"text-align: center;\"><em>Opensea User Activity Tab Source: <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/opensea.io\/jpegdegenlove?tab=activity&amp;__cf_chl_jschl_tk__=sDqWlFEY0Iu3S9yTpc1VtSd4I3bUioz19vLDwbIsaQQ-1643017046-0-gaNycGzNDNE\">OpenSea<\/a><\/em><\/figcaption><\/figure>\n<p>A user named jpegdegenlove is suspected of exploiting the current bug and has reportedly profited 332 Ether (ETH) ($754,000). OpenSea didn\u2019t im<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/social-mediaa\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Social Media\" target=\"_blank\" rel=\"noopener\">media<\/a>tely respond to Cointelegraph\u2019s request for comment.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/s3.cointelegraph.com\/uploads\/2022-01\/99344e1f-7c3f-4e4f-b521-ffce8f606e5d.png\" alt=\"\" title=\"\"><figcaption style=\"text-align: center;\"><em>Reported exploiter Ether wallet balance Source: <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/etherscan.io\/address\/0xb1a22cc48f6784f629a994917cd6474923630c48#internaltx\">Etherscan<\/a><\/em><\/figcaption><\/figure>\n<p>An earlier exploit on Dec, 31 saw a similar scenario, wherein a bug seems to arise from the transfer of assets from the OpenSea wallet to a different wallet without canceling the listing.<\/p>\n<p><strong><em>Related:\u00a0<\/em> Nifty <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/news\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"News\" target=\"_blank\" rel=\"noopener\">News<\/a>: FLUF World and Snoop Dogg fundraise, Adidas and Prada NFTs, WAX gifts 10M NFTs<\/strong><\/p>\n<p>One Twitter user explained that, when a user lists their collectible for auction on the OpenSea and decides to cancel it for some reason, the marketplace charges a significant fee and the floor price of the collectible also decreases. Users found a way around it and instead of canceling their sale, they transfer their asset to a different wallet which automatically removes the listing from OpenSea, However, the bug keeps the listing active through OpenSea\u2019s API.\u00a0<\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">1\/ Recently there&#8217;s been an <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/twitter.com\/opensea?ref_src=twsrc%5Etfw\">@opensea<\/a> exploit that has allowed for assets to be purchased at greatly discounted prices, including 3 freshdrops passes, a BAYC <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/t.co\/8pEgeXkOBo\">https:\/\/t.co\/8pEgeXkOBo<\/a>, multiple MAYCs, and more. I did some research this morning and here&#8217;s what&#8217;s h<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>ening -&gt; a <\/p>\n<p>\u2014 cap10bad.\u039eTH | freshdrops.io (@cap10bad) <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/twitter.com\/cap10bad\/status\/1476900859460169732?ref_src=twsrc%5Etfw\">December 31, 2021<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Users can check whether their listing has been removed on Rarible, another NFT marketplace that uses OpenSea\u2019s API. The user claimed that the bug was flagged after the December incident, but the platform didn\u2019t take any measures to address the issue.<\/p>\n<p>NFTs exploded in popularity in 2021 with major brands and celebrities all hopping on the bandwagon, which has attracted an increasing number of scams.\u00a0<\/p>\n<p><template data-name=\"subscription_form\" data-type=\"nifty_newsletter\"><\/template><\/p>\n<\/div>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMLG0nwswvr63Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\">For forums sites go to <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/forum.buradabiliyorum.com\/\" target=\"_blank\" rel=\"noopener\">Forum.BuradaBiliyorum.Com<\/a><\/span><\/strong>\n<\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more News articles, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/en.buradabiliyorum.com\/general\/\" target=\"_blank\" rel=\"noopener\">General category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/cointelegraph.com\/news\/nft-marketplace-bug-undervalues-tokens-helps-exploiter-nab-750-000\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;# NFT marketplace bug undervalues tokens, helps exploiter nab $750,000 &#8221; A bug in the front end of popular nonfungible token (NFT) marketplace OpenSea has reportedly led to an exploit allowing users to buy popular NFTs at their previous listing price. The bug seems to be prevalent with Bored Ape Yacht Club (BAYC) and Mutant&#8230;<\/p>\n","protected":false},"author":1,"featured_media":398444,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/images.cointelegraph.com\/images\/1200_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDEvNWViNjgyNTctN2U4ZC00ZDI4LWI5NGEtNDE3NGFhN2NjMGFmLmpwZw==.jpg","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[110404,95118,70944,73711,72287],"class_list":["post-398443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-cointelegraph-nft","tag-nft","tag-hackers","tag-investments","tag-security"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/398443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=398443"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/398443\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/398444"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=398443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=398443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=398443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}