{"id":915981,"date":"2026-06-28T10:12:18","date_gmt":"2026-06-28T15:12:18","guid":{"rendered":"https:\/\/newsycanuse.com\/index.php\/2026\/06\/28\/polymarket-hack-updated-to-3-1-million-days-after-the-platform-promised-users-full-refunds\/"},"modified":"2026-06-28T10:12:18","modified_gmt":"2026-06-28T15:12:18","slug":"polymarket-hack-updated-to-3-1-million-days-after-the-platform-promised-users-full-refunds","status":"publish","type":"post","link":"https:\/\/newsycanuse.com\/index.php\/2026\/06\/28\/polymarket-hack-updated-to-3-1-million-days-after-the-platform-promised-users-full-refunds\/","title":{"rendered":"Polymarket hack updated to $3.1 million days after the platform promised users full refunds"},"content":{"rendered":"<div data-theme=\"light\" data-module-name=\"page\" data-module-version=\"1.0.0\" data-module-instance=\"default\" id=\"content\">\n<div data-module-name=\"article-header\" data-module-version=\"1.0.0\" data-module-instance=\"default\">\n<h2>The prediction markets giant is under investigation in connection with false or deceptive marketing practices, according to news reports.<\/h2>\n<\/div>\n<div>\n<figure><img loading=\"lazy\" alt=\"Eleven Polymarket user wallets targeted by hackers reported nearly $3.1 million in losses after phishing scam.(AidanHowe\/Pixabay)\" width=\"1920\" height=\"1080\" decoding=\"async\" data-nimg=\"1\"   src=\"http:\/\/www.coindesk.com\/_next\/image?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fs3y3vcno%2Fproduction%2F92381be5b7acd607bc065b24a71d59c26202a7a8-1280x720.jpg%3Fauto%3Dformat&#038;w=3840&#038;q=75\"><\/figure>\n<\/div>\n<div data-article-body-start>\n<div id=\"se-_R_99qanpfiupanivb_\">\n<ul>\n<li>Hackers stole about $3.1 million in Polymarket\u2019s PUSD token from 11 user wallets, moving the funds from Polygon to Ethereum, according to blockchain intelligence firm AMLBot.<\/li>\n<li>Polymarket said a compromised third-party vendor injected a malicious script into its frontend, and the platform has removed the dependency and pledged full refunds to affected PUSD holders.<\/li>\n<li>The phishing attack comes after a series of recent security incidents at Polymarket and amid reports that the prediction platform is under federal investigation over allegedly deceptive social media promotions.<\/li>\n<\/ul>\n<\/div>\n<div>\n<p>Blockchain intelligence firm AMLBot <a href=\"https:\/\/x.com\/AMLBotHQ\/status\/2070817697974116598\" target=\"_blank\" rel=\"noopener noreferrer\">updated on X Saturday the amount<\/a> hackers stole from 11 user wallet accounts on Polymarket to roughly $3.1 million in the prediction markets token PUSD. <\/p>\n<p>It said the assets were stolen from Polygon and immediately bridged to Ethereum and that it continues to monitor Polymarket accounts.<\/p>\n<p>Polymarket did not respond to a CoinDesk request for comment as of US morning hours on Saturday.<\/p>\n<p>Immediately after the attack was made public, Polymarket pledged full refunds to victims holding its native collateral and settlement token PUSD used for all trading on the decentralized prediction platform.<\/p>\n<p>&#8220;This morning we discovered a third party vendor had been compromised, injecting a malicious script into our frontend for some users,&#8221; <a href=\"https:\/\/x.com\/PolymarketTrade\/status\/2070155882906730671\" target=\"_blank\" rel=\"noopener noreferrer\">Polymarket said Thursday on X<\/a>. &#8220;We&#8217;ve contained it and removed the affected dependency. We&#8217;re contacting impacted users and refunding them in full.&#8221;<\/p>\n<p>Blockchain security firm PeckShield <a href=\"https:\/\/x.com\/PeckShieldAlert\/status\/2070157742514618443\" target=\"_blank\" rel=\"noopener noreferrer\">reported <\/a>via X on Thursday that hackers had deployed a phishing campaign targeting Polymarket users. It said the attacker or attackers had bridged the stolen funds initially estimated at roughly 1,893 ETH.<\/p>\n<\/div>\n<\/div>\n<div>\n<p>On Thursday as well, Specter Analyst, another blockchain intelligence platform, said on Thursday that \u201c<a href=\"https:\/\/x.com\/SpecterAnalyst\/status\/2070152064051605517\" target=\"_blank\" rel=\"noopener noreferrer\">It appears there may b<\/a>e a phishing attack targeting Polymarket users, with estimated losses of $2.94M so far.\u201d<\/p>\n<p>One of the victims of the hack, Ash, <a href=\"https:\/\/x.com\/ashgang51\/status\/2070105083891851364\" target=\"_blank\" rel=\"noopener noreferrer\">on X wrote <\/a>that his wallet had been hacked and had no idea why at the time. Ash also shared his and the attacker\u2019s wallet addresses.<\/p>\n<p>Polymarket has suffered other security breaches recently. In March, blockchain investigator ZachXBT highlighted a suspected security breach. He <a href=\"http:\/\/www.coindesk.com\/markets\/2026\/05\/22\/zachxbt-flags-usd520k-polymarket-exploit-on-polygon-team-says-funds-are-safe\">said over $520,000 was reportedly drained<\/a> from two smart contracts on the Polygon blockchain. Polymarket then said the funds were safe. <\/p>\n<p>In December, the platform confirmed a security incident on its Discord channel after users reported missing funds and suspicious login attempts. It blamed an unidentified third-party login provider for those account breaches.<\/p>\n<p>The news of the phishing attack <a href=\"https:\/\/www.wsj.com\/finance\/regulation\/lawmakers-call-for-investigation-into-deceptive-advertising-by-polymarket-267e1857?mod=author_content_page_1_pos_1\" target=\"_blank\" rel=\"noopener noreferrer\">follows reports<\/a> that Polymarket is under federal investigation following a Wall Street Journal <a href=\"https:\/\/www.wsj.com\/business\/media\/polymarket-social-media-bets-prediction-market-441cdeb5\" target=\"_blank\" rel=\"noopener noreferrer\">article into the prediction markets platform <\/a>deceptive social media promotion of users boasting winnings.<\/p>\n<\/div>\n<div data-module-name=\"article-bottom-news\" data-module-version=\"1.0.0\" data-module-instance=\"article-bottom-news\">\n<p><a href=\"http:\/\/www.coindesk.com\/research\/equities-on-crypto-rails-a-platform-comparison\"><\/p>\n<h3>Equities on Crypto Rails: A Platform Comparison<\/h3>\n<p><\/a><\/p>\n<div>\n<div><a href=\"http:\/\/www.coindesk.com\/research\/equities-on-crypto-rails-a-platform-comparison\"><\/p>\n<figure><img alt=\"Market Spotlight Square Image\" loading=\"lazy\" width=\"1200\" height=\"1200\" decoding=\"async\" data-nimg=\"1\"  src=\"http:\/\/www.coindesk.com\/_next\/image?url=https%3A%2F%2Fcdn.sanity.io%2Fimages%2Fs3y3vcno%2Fproduction%2F2fcc9958824da97deacae20e71d63b0525747b6d-1200x1200.png%3Fauto%3Dformat&#038;w=3840&#038;q=75\"><\/figure>\n<p><\/a><\/div>\n<div>\n<p><a href=\"http:\/\/www.coindesk.com\/research\/equities-on-crypto-rails-a-platform-comparison\"><\/p>\n<h3>Equities on Crypto Rails: A Platform Comparison<\/h3>\n<p><\/a><\/p>\n<p>US equities on crypto rails: access is easy, on-chain composability is the real test. Only Binance and Backpack deliver both &#8211; and only Binance at scale.<\/p>\n<p>US equities on crypto rails: access is easy, on-chain composability is the real test. Only Binance and Backpack deliver both &#8211; and only Binance at scale.<\/p>\n<\/div>\n<\/div>\n<div>\n<p>Why it matters:<\/p>\n<p>US equities on crypto rails: access is easy, on-chain composability is the real test. Only Binance and Backpack deliver both &#8211; and only Binance at scale.<\/p>\n<\/div>\n<p><a href=\"http:\/\/www.coindesk.com\/research\/equities-on-crypto-rails-a-platform-comparison\">View Full Report<svg width=\"21\" height=\"21\" viewBox=\"0 0 21 21\" fill=\"none\"><mask id=\"mask0_2473_9121\" style=\"mask-type:alpha\" maskUnits=\"userSpaceOnUse\" x=\"0\" y=\"0\" width=\"21\" height=\"21\"><rect x=\"0.5\" y=\"0.500366\" width=\"20\" height=\"20\" fill=\"var(--border-default)\" \/><\/mask><g mask=\"url(#mask0_2473_9121)\"><path d=\"M12.0385 15.2119L11.1602 14.3081L14.3429 11.1254H4.25V9.8754H14.3429L11.1602 6.69269L12.0385 5.78894L16.75 10.5004L12.0385 15.2119Z\" fill=\"var(--text-default)\" \/><\/g><\/svg><\/a><\/p>\n<\/div>\n<\/div>\n<p><a href=\"https:\/\/www.coindesk.com\/markets\/2026\/06\/27\/polymarket-hack-updated-to-usd3-1-million-days-after-the-platform-promised-users-full-refunds\" class=\"button purchase\" rel=\"nofollow noopener\" target=\"_blank\">Read More<\/a><br \/>\n Olivier Acuna<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The prediction markets giant is under investigation in connection with false or deceptive marketing practices, according to news reports. Hackers stole about $3.1 million in Polymarket\u2019s PUSD token from 11 user wallets, moving the funds from Polygon to Ethereum, according to blockchain intelligence firm AMLBot. Polymarket said a compromised third-party vendor injected a malicious script<\/p>\n","protected":false},"author":1,"featured_media":915982,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138740,2743],"tags":[],"class_list":["post-915981","post","type-post","status-publish","format-standard","has-post-thumbnail","category-polymarket","category-updated"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/915981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/comments?post=915981"}],"version-history":[{"count":0,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/915981\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media\/915982"}],"wp:attachment":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media?parent=915981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/categories?post=915981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/tags?post=915981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}