{"id":16190,"date":"2026-04-15T11:20:16","date_gmt":"2026-04-15T09:20:16","guid":{"rendered":"https:\/\/www.blog.bim.finance\/?p=16190"},"modified":"2026-04-15T11:20:18","modified_gmt":"2026-04-15T09:20:18","slug":"what-is-polymarket-usd-pusd-guide-upgrade","status":"publish","type":"post","link":"https:\/\/www.blog.bim.finance\/en\/what-is-polymarket-usd-pusd-guide-upgrade\/","title":{"rendered":"What is Polymarket USD? Complete guide to the pUSD upgrade"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16190\" class=\"elementor elementor-16190\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d0a769e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d0a769e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-238d485\" data-id=\"238d485\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-39697e7 elementor-widget elementor-widget-heading\" data-id=\"39697e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is Polymarket USD and how does it work<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6f269b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6f269b1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b4c4f50\" data-id=\"b4c4f50\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-615fcfc elementor-widget elementor-widget-text-editor\" data-id=\"615fcfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Polymarket USD, or pUSD, is the new collateral token of the Polymarket prediction market platform. Users deposit USDC into their account. Their balance is then represented as pUSD inside the Polymarket platform. When users want to withdraw, they can seamlessly swap pUSD back to USDC. From a daily usage perspective, nothing changes for the user. Users load funds, see a balance, trade, and withdraw money as usual. pUSD operates as a technical layer underneath the user interface.<\/p><p class=\"p1\">The token is a standard ERC-20 token on the Polygon blockchain. It is fully backed by USDC at all times. The <a href=\"https:\/\/www.blog.bim.finance\/en\/what-is-a-smart-contract-web3-web2-bridge\/\">smart contract<\/a> enforces the 1:1 backing with no algorithmic peg and no fractional reserve. Polymarket settles all trading activity in native USDC. This provides a more capital efficient, scalable, and institutionally aligned settlement standard. The platform launched this announcement on April 11, 2026 via X. The post reached over 136,000 views within hours, reflecting strong community interest.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-861a28e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"861a28e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eb8cd9e\" data-id=\"eb8cd9e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e89c58b elementor-widget elementor-widget-image\" data-id=\"e89c58b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"388\" src=\"https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?fit=800%2C388&amp;ssl=1\" class=\"attachment-large size-large wp-image-16192\" alt=\"Polymarket - X (Twitter)\" srcset=\"https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?w=1800&amp;ssl=1 1800w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?resize=300%2C146&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?resize=1024%2C497&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?resize=768%2C373&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?resize=1536%2C746&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?resize=18%2C9&amp;ssl=1 18w, https:\/\/i0.wp.com\/www.blog.bim.finance\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-13-at-14.27.57.png?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Polymarket - X (Twitter)<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-58744dd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58744dd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bd29af0\" data-id=\"bd29af0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-884b92d elementor-widget elementor-widget-heading\" data-id=\"884b92d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Trading reliability and lowers costs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f3353c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f3353c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8b82299\" data-id=\"8b82299\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d71504a elementor-widget elementor-widget-text-editor\" data-id=\"d71504a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">The pUSD upgrade brings three major improvements for end users. First, reliability increases significantly. The nonce-related execution failures go away entirely. Edge cases that caused failed trades are eliminated by the new architecture. A fast-follow release will address any remaining issues. Second, gas costs are lower. The new contracts use more efficient libraries, reducing transaction fees. The migration to pUSD is a one-click action for existing users. Third, the central limit order book, or CLOB, becomes faster and more reliable. The new architecture reduces balance-check race conditions that caused most failed trades. Fee handling now occurs at match time instead of order placement time, removing another category of failures. Order management improves with better lifecycle tracking using timestamp and signature instead of on-chain nonces.<\/p><p class=\"p1\">The new CTFv2 smart contracts have been audited by Cantina and Quantstamp, two leading smart contract security firms. Polymarket will open-source the contracts the week following the announcement. A bug bounty program will launch alongside the contract release. For users, the result is fewer failed trades. For builders, the upgrade provides clear fee attribution through builder codes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ce865f0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ce865f0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a21ad5b\" data-id=\"a21ad5b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-070d8dd elementor-widget elementor-widget-text-editor\" data-id=\"070d8dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sources:<\/p><ul><li><a href=\"https:\/\/x.com\/Polymarket\/status\/2042743133927280693\">Polymarket &#8211; X post<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Polymarket USD (pUSD) is the platform&rsquo;s new collateral token. Users deposit USDC, trade in pUSD, and withdraw USDC seamlessly.<\/p>","protected":false},"author":18,"featured_media":16224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mo_disable_npp":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[166,132],"tags":[162,167],"ppma_author":[145],"class_list":["post-16190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-coins","category-news","tag-business","tag-coins"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is Polymarket USD? Complete guide to the pUSD upgrade - BIM Blog<\/title>\n<meta name=\"description\" content=\"Polymarket launched pUSD, its new collateral token backed by USDC. Learn how the upgrade improves trading reliability and lowers gas fees.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blog.bim.finance\/en\/what-is-polymarket-usd-pusd-guide-upgrade\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Polymarket USD? Complete guide to the pUSD upgrade - BIM Blog\" \/>\n<meta property=\"og:description\" content=\"Polymarket launched pUSD, its new collateral token backed by USDC. 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