{"id":53851,"date":"2025-10-10T19:00:05","date_gmt":"2025-10-10T16:00:05","guid":{"rendered":"https:\/\/coinengineer.net\/blog\/?p=53851"},"modified":"2025-10-10T13:50:54","modified_gmt":"2025-10-10T10:50:54","slug":"what-is-frax-usd-frxusd","status":"publish","type":"post","link":"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/","title":{"rendered":"What is Frax USD (FRXUSD)?"},"content":{"rendered":"<p dir=\"ltr\"><strong><a href=\"https:\/\/coinengineer.net\/blog\/voting-has-started-for-blackrocks-buidl-to-be-used-as-a-reserve-asset-for-frax-stablecoin\/\">Frax USD<\/a> (frxUSD)<\/strong> is a <strong>USD<\/strong>-pegged, fully collateralized stablecoin offered by the Frax Finance ecosystem. The Frax Protocol issues frxUSD alongside other <strong>stablecoins<\/strong> like FPI and frxETH, as well as various non-stablecoin tokens. It integrates these assets through multiple subprotocols to deliver utility and stability. This article dives into what Frax USD is, how it functions, and the opportunities it presents.<\/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\/what-is-frax-usd-frxusd\/#What_is_Frax_USD_FRXUSD\" title=\"What is Frax USD (FRXUSD)?\">What is Frax USD (FRXUSD)?<\/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\/what-is-frax-usd-frxusd\/#Purpose_of_Frax_USD_FRXUSD\" title=\"Purpose of Frax USD (FRXUSD)\">Purpose of Frax USD (FRXUSD)<\/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\/what-is-frax-usd-frxusd\/#How_Does_Frax_USD_FRXUSD_Work\" title=\"How Does Frax USD (FRXUSD) Work?\">How Does Frax USD (FRXUSD) Work?<\/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\/what-is-frax-usd-frxusd\/#Frax_USD_FRXUSD_Use_Cases\" title=\"Frax USD (FRXUSD) Use Cases\">Frax USD (FRXUSD) Use Cases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Advantages_of_Frax_USD_FRXUSD\" title=\"Advantages of Frax USD (FRXUSD)\">Advantages of Frax USD (FRXUSD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Risks_of_Frax_USD_FRXUSD\" title=\"Risks of Frax USD (FRXUSD)\">Risks of Frax USD (FRXUSD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Frax_USD_FRXUSD_Tokenomics\" title=\"Frax USD (FRXUSD) Tokenomics\">Frax USD (FRXUSD) Tokenomics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Frax_USD_FRXUSD_Investors\" title=\"Frax USD (FRXUSD) Investors\">Frax USD (FRXUSD) Investors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Frax_USD_FRXUSD_Team\" title=\"Frax USD (FRXUSD) Team\">Frax USD (FRXUSD) Team<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/coinengineer.net\/blog\/what-is-frax-usd-frxusd\/#Official_Links\" title=\"Official Links\">Official Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"What_is_Frax_USD_FRXUSD\"><\/span>What is Frax USD (FRXUSD)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Frax USD (frxUSD) is a stablecoin issued by the Frax Protocol, pegged 1:1 to the USD. Each frxUSD is backed by cash-equivalent reserves, such as tokenized U.S. Treasury funds (e.g., BUIDL, USTB, JTRSY, WTGXX, AUSD), managed by Frax Inc under delegation from the Frax DAO. The Frax ecosystem includes frxUSD, FPI (pegged to a basket of consumer goods), frxETH (an ETH-pegged liquid staking derivative), and sfrxUSD (a yield-generating stablecoin). Subprotocols like Fraxswap, Borrow AMM (BAMM), Fraxlend, AMOs, and Fraxtal enhance the ecosystem\u2019s functionality.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-175745 aligncenter\" src=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2025\/10\/frxusd.png\" alt=\"\" width=\"1350\" height=\"629\" \/><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Purpose_of_Frax_USD_FRXUSD\"><\/span>Purpose of Frax USD (FRXUSD)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Frax USD serves as a stable store of value, pegged to the USD. The Frax Protocol strengthens its ecosystem by managing stablecoin collateral and generating yield. sfrxUSD targets the highest risk-adjusted returns through strategies like carry-trade, AMOs, or IORB\/T-Bill. Fraxtal, a Layer-2 chain, uses FRAX as its gas token. Frax Bonds (FXB) stabilize frxUSD supply and lock liquidity. The protocol builds trust through decentralized governance and transparency.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"How_Does_Frax_USD_FRXUSD_Work\"><\/span>How Does Frax USD (FRXUSD) Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Frax USD is backed 1:1 by cash-equivalent reserves. Frax Inc handles reserve management, KYC\/KYB compliance, audits, and fiat redemptions. frxUSD operates permissionlessly; users interact with frxUSDCustodian contracts, though reserve tokens may have additional requirements (e.g., whitelists).<\/p>\n<p dir=\"ltr\">Key Features:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Market Registry: Betting markets are created with details like sport, league, team names, bet type (Moneyline, Spread, Total), and game time. A market hash is stored in the Registry.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Escrow Contract: When a bet is offered and accepted, funds are atomically transferred to the Escrow Contract, held until the outcome is reported (Outcome1, Outcome2, or Void). Void bets are refunded without fees.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Market Makers: Provide diverse, deep liquidity to support competitive odds.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Whale and Syndicate VIP Service: Average bet size is ~$345, far larger than traditional platforms; VIP managers offer tailored opportunities.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Low Latency: Fast order book and reliable data reporting.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Core Components:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">sfrxUSD: An ERC4626-like yield vault distributing weekly profits from staked frxUSD. The Benchmark Yield Strategy (BYS) selects the highest yield among carry-trade, AMOs, or IORB\/T-Bill.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Frax Bonds (FXB): Zero-coupon bond-like tokens that reduce frxUSD supply and stabilize the peg. Sold at a discount via Dutch auction, they convert 1:1 to LFRAX at maturity.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxlend: A permissionless lending market offering frxUSD and other Frax tokens for borrowing.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxswap: A TWAMM-enabled AMM for executing large trades over time.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">BAMM: A borrowing\/lending module built on Fraxswap, requiring no external oracle or liquidity.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxtal: An Optimism-based Layer-2 chain using FRAX as its gas token.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-175746 aligncenter\" src=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2025\/10\/frxusd-1.png\" alt=\"\" width=\"164\" height=\"164\" \/><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Frax_USD_FRXUSD_Use_Cases\"><\/span>Frax USD (FRXUSD) Use Cases<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Frax USD is utilized as a stablecoin in DeFi:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">DeFi Transactions: Payments, lending, and liquidity provision.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">sfrxUSD Staking: Earning yield in the vault.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxlend: Borrowing and lending.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxswap: Large trades via TWAMM.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Fraxtal: Using FRAX as a gas token.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Usage Steps:<\/p>\n<ol class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Connect a wallet like MetaMask.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Acquire frxUSD (via exchanges or frxUSDCustodian).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Stake in the sfrxUSD vault or use in Fraxlend\/Fraxswap.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Transact on Fraxtal.<\/p>\n<\/li>\n<\/ol>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Advantages_of_Frax_USD_FRXUSD\"><\/span>Advantages of Frax USD (FRXUSD)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Stability: 1:1 USD backing with transparent reserves.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Yield: sfrxUSD offers top risk-adjusted returns.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Decentralization: Frax DAO governance and permissionless operations.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Ecosystem: Integration with Fraxswap, Fraxlend, and Fraxtal.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Risks_of_Frax_USD_FRXUSD\"><\/span>Risks of Frax USD (FRXUSD)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Regulation: Stablecoin regulatory risks.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Market Volatility: Crypto market fluctuations.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Collateral Risk: Performance of reserve assets.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-175747 aligncenter\" src=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2025\/10\/frxusd-2.png\" alt=\"\" width=\"1270\" height=\"401\" \/><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Frax_USD_FRXUSD_Tokenomics\"><\/span>Frax USD (FRXUSD) Tokenomics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">frxUSD: USD-pegged, collateralized stablecoin.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">FRAX: Fraxtal\u2019s gas token with a fixed emission schedule (8% initial inflation, reducing to 3% over 6 years).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">sfrxUSD: Yield vault distributing weekly profits to frxUSD stakers.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">FXB: Zero-coupon bonds converting 1:1 to LFRAX at maturity.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">veFRAX: Staked FRAX granting voting rights and farming boosts.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Frax_USD_FRXUSD_Investors\"><\/span>Frax USD (FRXUSD) Investors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Raised $1.21 million:<\/p>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Tier 2: Ascensive Assets.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Tier 3: Crypto.com Capital, Arbitrum Foundation, A195 Capital, Fairum Ventures.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Tier 4: DeltaHub Capital.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-175744 aligncenter\" src=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2025\/10\/frax-usd-partners.png\" alt=\"\" width=\"480\" height=\"290\" \/><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Frax_USD_FRXUSD_Team\"><\/span>Frax USD (FRXUSD) Team<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"tight\" dir=\"ltr\" data-tight=\"true\">\n<li>\n<p dir=\"ltr\">Sam Kazemian (Founder): Visionary behind Frax Protocol.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Stephen Moore (Co-Founder): Strategy and development.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Jason Huan (Co-Founder): Technical leadership.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">Travis Moore (Co-Founder &amp; CTO): Technology and infrastructure.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">James Alston (Advisor): Board member.<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-175742 aligncenter\" src=\"https:\/\/coinmuhendisi.com\/blog\/wp-content\/uploads\/2025\/10\/frax-usd.png\" alt=\"\" width=\"948\" height=\"284\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Official_Links\"><\/span>Official Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/frax.com\/\">Website<\/a><\/li>\n<li><a href=\"https:\/\/x.com\/fraxfinance\">X (Twitter)<\/a><\/li>\n<li><a href=\"https:\/\/docs.frax.com\/protocol\">Whitepaper<\/a><\/li>\n<\/ul>\n<p><script type=\"text\/javascript\" src=\"https:\/\/files.coinmarketcap.com\/static\/widget\/currency.js\"><\/script><\/p>\n<div class=\"coinmarketcap-currency-widget\" data-currencyid=\"36039\" data-base=\"USD\" data-secondary=\"\" data-ticker=\"true\" data-rank=\"true\" data-marketcap=\"true\" data-volume=\"true\" data-statsticker=\"true\" data-stats=\"USD\"><\/div>\n<p>&nbsp;<\/p>\n<p><i>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<\/i><a href=\"https:\/\/t.me\/coinengineernews\"><i>Telegram,\u00a0<\/i><\/a><a href=\"https:\/\/www.youtube.com\/@CoinEngineer\"><i>YouTube<\/i><\/a><i>, and\u00a0<\/i><a href=\"https:\/\/twitter.com\/coinengineers\"><i>Twitter<\/i><\/a><i>\u00a0channels for the latest\u00a0<\/i><a href=\"https:\/\/coinengineer.net\/blog\/news\/\"><i>news<\/i><\/a><i>\u00a0and updates.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Frax USD (frxUSD) is a USD-pegged, fully collateralized stablecoin offered by the Frax Finance ecosystem. The Frax Protocol issues frxUSD alongside other stablecoins like FPI and frxETH, as well as various non-stablecoin tokens. It integrates these assets through multiple subprotocols to deliver utility and stability. This article dives into what Frax USD is, how it<\/p>\n","protected":false},"author":29,"featured_media":53853,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,5],"tags":[3720,24689,24691,24690,1151,205,24688],"class_list":["post-53851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-altcoin-projects","category-project-review","tag-fpi","tag-frxeth","tag-frxusd-coin","tag-frxusd-token","tag-stablecoins","tag-tokenomics","tag-what-is-frax-usd-frxusd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Frax USD (FRXUSD)? - Coin Engineer<\/title>\n<meta name=\"description\" content=\"Frax USD (frxUSD) is a USD-pegged, fully collateralized stablecoin offered by the Frax Finance ecosystem. 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