{"id":54938,"date":"2025-10-23T12:13:38","date_gmt":"2025-10-23T09:13:38","guid":{"rendered":"https:\/\/coinengineer.net\/blog\/?p=54938"},"modified":"2025-10-23T12:13:38","modified_gmt":"2025-10-23T09:13:38","slug":"bunni-dex-shutdown-8-4m-exploit","status":"publish","type":"post","link":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/","title":{"rendered":"Bunni DEX Shuts Down After $8.4 Million Security Breach"},"content":{"rendered":"<p>The decentralized exchange <strong>Bunni DEX<\/strong> has announced that it will fully cease operations following an $8.4 million security breach in September. The project team stated that continuing operations is no longer feasible due to a lack of funds and high auditing costs.<\/p>\n<p>In their announcement, the team said: \u201cThe recent incident halted our growth, and safely restarting would require six- to seven-figure costs for audits and monitoring, which we do not have.\u201d This adds another closure to the recent wave of shutdowns in the DeFi sector.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#DeFi_Security_in_Focus_After_84_Million_Exploit\" title=\"DeFi Security in Focus After $8.4 Million Exploit\">DeFi Security in Focus After $8.4 Million Exploit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#Smart_Contracts_Made_Open-Source_Under_MIT_License\" title=\"Smart Contracts Made Open-Source Under MIT License\">Smart Contracts Made Open-Source Under MIT License<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#Chain_of_Closures_in_the_DeFi_Ecosystem\" title=\"Chain of Closures in the DeFi Ecosystem\">Chain of Closures in the DeFi Ecosystem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"DeFi_Security_in_Focus_After_84_Million_Exploit\"><\/span>DeFi Security in Focus After $8.4 Million Exploit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Bunni DEX was built on the Uniswap v4 infrastructure and used a custom Liquidity Distribution Function to optimize returns for liquidity providers. However, the September attack affected both the Ethereum mainnet and the Layer 2 UniChain network, resulting in total losses of $8.4 million.<\/p>\n<p>Following the exploit, the platform\u2019s Total Value Locked (TVL) fell from $80 million to nearly zero within just two months. The team paused all smart contract functions and announced that users could withdraw their assets via the website. Remaining treasury assets will be distributed to BUNNI, LIT, and veBUNNI token holders once legal procedures are completed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Smart_Contracts_Made_Open-Source_Under_MIT_License\"><\/span>Smart Contracts Made Open-Source Under MIT License<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Despite shutting down, the Bunni team took a noteworthy step by transferring its v2 smart contracts from the Business Source License (BUSL) to the MIT license. This change allows developers to access all features previously created by Bunni, including liquidity distribution functions, volatility fees, and autonomous rebalancing systems.<\/p>\n<p>This move ensures that even after the project\u2019s closure, Bunni continues to contribute to the DeFi ecosystem. Experts suggest that the open-source MIT license may inspire the development of safer and more transparent decentralized exchanges in the future.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chain_of_Closures_in_the_DeFi_Ecosystem\"><\/span>Chain of Closures in the DeFi Ecosystem<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The closure of Bunni DEX came shortly after <a href=\"https:\/\/coinengineer.net\/blog\/kadena-halts-operations-kda-price-drops-40-percent\/\"><strong>Kadena<\/strong><\/a> announced the termination of its operations the same week. This highlights the ongoing impact of the crypto winter and the significant challenges DeFi projects face in maintaining sustainability.<\/p>\n<p>Experts emphasize that these recent events have shaken investor confidence, making security audits, capital management, and risk controls more critical than ever for decentralized finance projects.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The closure of Bunni DEX is more than just the loss of a single project\u2014it serves as a warning for the DeFi ecosystem. Innovative platforms may offer high returns, but security vulnerabilities and a lack of sustainable funding create the weakest link in the ecosystem.<\/p>\n<p>The decision to make Bunni\u2019s code open-source under the MIT license leaves a positive legacy for the sector. However, the financial losses underscore the need for stricter regulatory and auditing processes for decentralized finance projects in the future.<\/p>\n<p><em class=\"darkmysite_style_txt_border darkmysite_processed\" data-darkmysite_alpha_bg=\"rgba(0, 0, 0, 0)\">You can also freely share your thoughts and comments about the topic in the comment section. Additionally, don\u2019t forget to follow us on our\u00a0<a class=\"darkmysite_style_txt_border darkmysite_style_link darkmysite_processed\" href=\"https:\/\/t.me\/coinengineernews\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" data-darkmysite_alpha_bg=\"rgba(0, 0, 0, 0)\">Telegram,\u00a0<\/a><a class=\"darkmysite_style_txt_border darkmysite_style_link darkmysite_processed\" href=\"https:\/\/www.youtube.com\/@CoinEngineer\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" data-darkmysite_alpha_bg=\"rgba(0, 0, 0, 0)\">YouTube<\/a>,\u00a0and\u00a0<a class=\"darkmysite_style_txt_border darkmysite_style_link darkmysite_processed\" href=\"https:\/\/twitter.com\/coinengineers\" target=\"_blank\" rel=\"nofollow noopener\" data-darkmysite_alpha_bg=\"rgba(0, 0, 0, 0)\">Twitter<\/a>\u00a0channels for the latest\u00a0<a class=\"darkmysite_style_txt_border darkmysite_style_link darkmysite_processed\" title=\"News\" href=\"https:\/\/coinengineer.net\/blog\/news\/\" data-internallinksmanager029f6b8e52c=\"7\" data-darkmysite_alpha_bg=\"rgba(0, 0, 0, 0)\">news<\/a>\u00a0and updates.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The decentralized exchange Bunni DEX has announced that it will fully cease operations following an $8.4 million security breach in September. The project team stated that continuing operations is no longer feasible due to a lack of funds and high auditing costs. In their announcement, the team said: \u201cThe recent incident halted our growth, and<\/p>\n","protected":false},"author":36,"featured_media":54939,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[657,2],"tags":[24992,6800,24996,10972,24993,24995,24994,6964,11189],"class_list":["post-54938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-en","category-news","tag-bunni-dex","tag-crypto-hack","tag-crypto-project-shutdown","tag-decentralized-exchange","tag-defi-closure","tag-liquidity-distribution","tag-mit-license","tag-security-breach","tag-uniswap-v4"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer<\/title>\n<meta name=\"description\" content=\"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer\" \/>\n<meta property=\"og:description\" content=\"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/\" \/>\n<meta property=\"og:site_name\" content=\"Coin Engineer\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-23T09:13:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Yeliz Akmaca\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Yeliz Akmaca\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/\",\"url\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/\",\"name\":\"Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer\",\"isPartOf\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png\",\"datePublished\":\"2025-10-23T09:13:38+00:00\",\"dateModified\":\"2025-10-23T09:13:38+00:00\",\"author\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/5f900e6c865999388c1ea494e5953442\"},\"description\":\"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.\",\"breadcrumb\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage\",\"url\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png\",\"contentUrl\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png\",\"width\":1920,\"height\":1080,\"caption\":\"Cloudflare outage affects crypto exchanges\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/coinengineer.net\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bunni DEX Shuts Down After $8.4 Million Security Breach\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#website\",\"url\":\"https:\/\/coinengineer.net\/blog\/\",\"name\":\"Coin Engineer\",\"description\":\"Btc, Coins, Pre-Sale, DeFi, NFT\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/coinengineer.net\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/5f900e6c865999388c1ea494e5953442\",\"name\":\"Yeliz Akmaca\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b399e2146177639d343205648bae3bdb3cd7bb9d02c7186f71149c7122151b69?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b399e2146177639d343205648bae3bdb3cd7bb9d02c7186f71149c7122151b69?s=96&d=mm&r=g\",\"caption\":\"Yeliz Akmaca\"},\"url\":\"https:\/\/coinengineer.net\/blog\/author\/cmyelizz\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer","description":"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/","og_locale":"en_US","og_type":"article","og_title":"Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer","og_description":"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.","og_url":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/","og_site_name":"Coin Engineer","article_published_time":"2025-10-23T09:13:38+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png","type":"image\/png"}],"author":"Yeliz Akmaca","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Yeliz Akmaca","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/","url":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/","name":"Bunni DEX Shuts Down After $8.4 Million Security Breach - Coin Engineer","isPartOf":{"@id":"https:\/\/coinengineer.net\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage"},"image":{"@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage"},"thumbnailUrl":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png","datePublished":"2025-10-23T09:13:38+00:00","dateModified":"2025-10-23T09:13:38+00:00","author":{"@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/5f900e6c865999388c1ea494e5953442"},"description":"Bunni DEX shuts down after a $8.4M exploit. Smart contracts are now open-source under the MIT license, boosting DeFi transparency.","breadcrumb":{"@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#primaryimage","url":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png","contentUrl":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/10\/shuts-down.png","width":1920,"height":1080,"caption":"Cloudflare outage affects crypto exchanges"},{"@type":"BreadcrumbList","@id":"https:\/\/coinengineer.net\/blog\/bunni-dex-shutdown-8-4m-exploit\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/coinengineer.net\/blog\/"},{"@type":"ListItem","position":2,"name":"Bunni DEX Shuts Down After $8.4 Million Security Breach"}]},{"@type":"WebSite","@id":"https:\/\/coinengineer.net\/blog\/#website","url":"https:\/\/coinengineer.net\/blog\/","name":"Coin Engineer","description":"Btc, Coins, Pre-Sale, DeFi, NFT","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/coinengineer.net\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/5f900e6c865999388c1ea494e5953442","name":"Yeliz Akmaca","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/b399e2146177639d343205648bae3bdb3cd7bb9d02c7186f71149c7122151b69?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b399e2146177639d343205648bae3bdb3cd7bb9d02c7186f71149c7122151b69?s=96&d=mm&r=g","caption":"Yeliz Akmaca"},"url":"https:\/\/coinengineer.net\/blog\/author\/cmyelizz\/"}]}},"_links":{"self":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/54938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/users\/36"}],"replies":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/comments?post=54938"}],"version-history":[{"count":1,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/54938\/revisions"}],"predecessor-version":[{"id":54940,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/54938\/revisions\/54940"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/media\/54939"}],"wp:attachment":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/media?parent=54938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/categories?post=54938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/tags?post=54938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}