{"id":"apxusd","title":"apxUSD","content":"**apxUSD** is a decentralized, over-collateralized [stablecoin](https://iq.wiki/wiki/stablecoin) pegged to the U.S. dollar, developed by a team known as [Apyx](https://iq.wiki/wiki/apyx) Finance. The stablecoin operates within a multi-token ecosystem on the [Ethereum](https://iq.wiki/wiki/ethereum) [blockchain](https://iq.wiki/wiki/blockchain), with announced expansions to other networks like [Arbitrum](https://iq.wiki/wiki/arbitrum) and [Base](https://iq.wiki/wiki/base). [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ) It is designed to function as a capital-efficient medium of exchange and a core component in various [decentralized finance](https://iq.wiki/wiki/defi) (DeFi) applications. [\\[2\\]](#cite-id-JCSdsjBekqlKjotK)​\n\n## Overview\n\napxUSD is designed to maintain a soft peg to the U.S. dollar, with each token intended to be worth approximately $1. Its primary objective is to provide a stable, liquid asset that can be used for trading, lending, and other on-chain activities while allowing users to unlock liquidity from their underlying collateral. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[4\\]](#cite-id-N47fsw4P2PYk9jk1) The [Apyx](https://iq.wiki/wiki/apyx) protocol uses over-collateralization to back apxUSD, meaning the value of assets held as collateral in the system is greater than the value of the minted apxUSD. This provides a buffer against price volatility of the collateral assets and ensures the protocol's solvency. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[5\\]](#cite-id-upZnscbIng2cSO8Y)​\n\nThe [Apyx](https://iq.wiki/wiki/apyx) ecosystem is structured around a multi-token model to separate the functions of stability, yield, and governance. Alongside the apxUSD [stablecoin](https://iq.wiki/wiki/stablecoin), the protocol features a [utility](https://iq.wiki/wiki/utility-token) and [governance token](https://iq.wiki/wiki/governance-tokens), [APYX](https://iq.wiki/wiki/apyx), and in some models, a dedicated yield-bearing token, apyUSD. [\\[2\\]](#cite-id-JCSdsjBekqlKjotK) [\\[6\\]](#cite-id-H5ZSE4F2boVHUNni) The protocol officially launched on the [Ethereum](https://iq.wiki/wiki/ethereum) [mainnet](https://iq.wiki/wiki/mainnet) in February 2024. [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ) [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN)​\n\n## Core Mechanisms\n\nThe [Apyx](https://iq.wiki/wiki/apyx) protocol has been described with several distinct models for collateralization, yield generation, and distribution, reflecting an evolution in its design.\n\n### Dual-Token System\n\nA frequently described architecture involves a two-token system to separate the stable unit of account from yield-generating functions. [\\[2\\]](#cite-id-JCSdsjBekqlKjotK)​\n\n* **apxUSD:** Functions as the primary stablecoin, designed for high liquidity, broad [DeFi](https://iq.wiki/wiki/defi) compatibility, and use as collateral. In this model, it is a non-rebasing token, meaning its balance does not automatically change, which simplifies integration with other protocols. [\\[2\\]](#cite-id-JCSdsjBekqlKjotK) [\\[4\\]](#cite-id-N47fsw4P2PYk9jk1)\n* **apyUSD:** A yield-bearing token that represents a user's share in the [Apyx](https://iq.wiki/wiki/apyx) savings layer. Users can lock their apxUSD in a protocol contract to mint an equivalent amount of apyUSD. The apyUSD token is designed to appreciate against apxUSD over time as the protocol collects and distributes yield. [\\[4\\]](#cite-id-N47fsw4P2PYk9jk1)\n* **APYX:** The protocol's governance and utility token. APYX holders are intended to govern the Apyx DAO, vote on protocol parameters, and direct incentives. In some designs, staked [APYX](https://iq.wiki/wiki/apyx) serves as a backstop for the protocol, absorbing risk in exchange for a share of protocol revenue. [\\[5\\]](#cite-id-upZnscbIng2cSO8Y) [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ)\n\n### Collateral and Yield Generation Models\n\nThe yield for the [Apyx](https://iq.wiki/wiki/apyx) ecosystem is generated from the collateral used to mint apxUSD. Different models for this process have been presented.\n\n* **LST-Backed Rebasing Model:** In one model, apxUSD is a natively interest-bearing [stablecoin](https://iq.wiki/wiki/stablecoin). Users mint apxUSD by depositing yield-bearing collateral, such as [Liquid](https://iq.wiki/wiki/liquid) [Staking](https://iq.wiki/wiki/staking) Tokens (LSTs) like wrapped staked ETH (wstETH) and Rocket Pool ETH ([rETH](https://iq.wiki/wiki/reth)). The yield generated by this collateral is then distributed to all apxUSD holders through a rebasing mechanism, where the number of apxUSD tokens in a holder's wallet periodically increases. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN)\n* **Self-Repaying Loan Model:** Another documented mechanism features \"self-repaying loans.\" In this system, a user deposits a yield-bearing asset (like [wstETH](https://iq.wiki/wiki/wrapped-steth-wsteth)) to mint apxUSD, creating a debt position. The protocol automatically harvests the yield from the collateral and uses it to buy back and burn apxUSD, progressively paying down the user's debt over time. [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ)\n* **RWA-Backed Yield:** A third model uses [real-world assets](https://iq.wiki/wiki/real-world-assets-rwas) (RWAs) as the primary collateral. Specifically, this involves dividend-bearing RWAs like tokenized perpetual preferred stock. The dividends from these assets generate the yield, which is then directed to `apyUSD` holders who have locked their `apxUSD`. [\\[4\\]](#cite-id-N47fsw4P2PYk9jk1)\n* **Private Credit and DeFi Portfolio:** A further variation describes yield as being generated by the [Apyx](https://iq.wiki/wiki/apyx) Treasury, which manages a diversified portfolio of both off-chain institutional private credit strategies and on-chain DeFi lending activities. The returns from this portfolio are used to buy apxUSD from the open market, which is then distributed as dividends to holders. [\\[7\\]](#cite-id-NwB2YSELpQUhwyvs)\n\n### Peg Stability Mechanisms\n\napxUSD's peg to the U.S. dollar is maintained through a combination of automated systems and [arbitrage](https://iq.wiki/wiki/arbitrage) incentives.\n\n* **Over-collateralization and Redemption:** The core stability feature is that all apxUSD is backed by more than 1 worth of the underlying collateral, creating an arbitrage opportunity if the market price falls below $1. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN)\n* **Liquidations:** If the value of a user's collateral falls below a minimum required ratio, their position is subject to liquidation. The collateral is sold to repay the apxUSD debt, ensuring the protocol remains solvent. [\\[5\\]](#cite-id-upZnscbIng2cSO8Y)\n* **Peg Stability Module (PSM):** This mechanism allows users to swap apxUSD for other approved [stablecoins](https://iq.wiki/wiki/stablecoin) (e.g., [USDC](https://iq.wiki/wiki/usdc)) at a 1:1 ratio. It acts as a primary defense for the peg's upper bound, as arbitrageurs can sell apxUSD trading above $1 into the PSM for a profit. [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ)\n* **Backstop AMM (BAM):** A protocol-controlled automated market maker that provides liquidity for apxUSD against other [stablecoins](https://iq.wiki/wiki/stablecoin). It serves as a liquidity source of last resort for the peg's lower bound, activating to purchase apxUSD during significant de-peg events. [\\[1\\]](#cite-id-NAgJAA6ssf7AX2WQ)\n* **Stability Fee:** Some protocol versions include a variable interest rate, or Stability Fee, charged on all outstanding apxUSD debt. [Apyx](https://iq.wiki/wiki/apyx) governance can adjust this fee to influence user behavior, lowering it to encourage minting (increase supply) or raising it to incentivize repayment (decrease supply). [\\[8\\]](#cite-id-wuS8yuNgqQnlQQnk)\n\n## Governance and Risk Management\n\nThe protocol incorporates several features designed to manage risk and provide a framework for community governance.\n\n### Minting Controls\n\nTo ensure stability and protect the protocol from certain market risks, [Apyx](https://iq.wiki/wiki/apyx) implemented a \"Minting Controls\" system. This feature acts as a safety mechanism, allowing minting of new apxUSD to be paused temporarily in response to severe events like collateral de-pegging or oracle failures, while keeping redemptions and repayments functional. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) This system enforces several limits, controlled via a multi-signature wallet:\n\n* A maximum amount for a single mint transaction.\n* A daily cap on the total amount of apxUSD that can be minted.\n* An absolute total supply cap for apxUSD. [\\[5\\]](#cite-id-upZnscbIng2cSO8Y)\n\nThe authority to execute mints is separated from the authority to change system parameters, with stricter requirements for altering the rules of the system. [\\[5\\]](#cite-id-upZnscbIng2cSO8Y)​\n\n### APYX Governance\n\nGovernance of the [Apyx](https://iq.wiki/wiki/apyx) protocol is intended to be managed by the APYX token holders through the Apyx DAO. This body is responsible for voting on key protocol parameters such as collateral types, risk management policies, and fee structures. In some designs, APYX stakers also function as a backstop for the protocol, where their staked tokens could be used to recapitalize the system in the event of a collateral shortfall. In return for providing this security, stakers would earn a share of protocol revenue. [\\[5\\]](#cite-id-upZnscbIng2cSO8Y) [\\[2\\]](#cite-id-JCSdsjBekqlKjotK)​\n\n## Ecosystem and Integrations\n\napxUSD has been integrated into several major [DeFi](https://iq.wiki/wiki/defi) protocols to enhance its utility and liquidity.\n\n### Partnerships and Custody\n\nIn March 2024, the digital asset custodian [BitGo](https://iq.wiki/wiki/bitgo) announced it had added custodial support for apxUSD. This allows BitGo's institutional clients, including funds and corporate treasuries, to securely hold apxUSD in a regulated and insured custody framework. This partnership is aimed at expanding institutional access to the [Apyx](https://iq.wiki/wiki/apyx) ecosystem. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[7\\]](#cite-id-NwB2YSELpQUhwyvs) A statement from the APYX team on the collaboration noted:\n\n> \"Bringing apxUSD to the \\[BitGo] - () platform is a testament to the increasing demand for secure, transparent, and yield-bearing [stablecoins](https://iq.wiki/wiki/stablecoin) within the institutional space... This collaboration not only enhances the accessibility of apxUSD but also reinforces our commitment to providing our clients with a diverse range of high-quality digital assets.\" [\\[7\\]](#cite-id-NwB2YSELpQUhwyvs)\n\n### DeFi Integrations\n\n* **Morpho:** [Apyx](https://iq.wiki/wiki/apyx) is deeply integrated with the [Morpho](https://iq.wiki/wiki/morpho) protocol. It was one of the early protocols built on Morpho Blue, a permissionless lending primitive that APYX uses to lend collateral and efficiently generate yield. There is also a dedicated `apyUSD/apxUSD` market on Morpho that allows users to supply `apyUSD` as collateral to borrow `apxUSD`. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[8\\]](#cite-id-wuS8yuNgqQnlQQnk)\n* **Curve Finance:** apxUSD is used to provide liquidity in several [stablecoin](https://iq.wiki/wiki/stablecoin) pools on [Curve](https://iq.wiki/wiki/curve-finance), including `apxUSD/USDC` and `apxUSD/apyUSD` pools, which enhance its trading depth and stability. [\\[6\\]](#cite-id-H5ZSE4F2boVHUNni)\n* **Pendle Finance:** The [stablecoin](https://iq.wiki/wiki/stablecoin) is integrated into yield-trading markets on Pendle, where users can act as [liquidity providers](https://iq.wiki/wiki/liquidity-providers) in apxUSD pools or speculate on the yield generated by the asset by purchasing Yield Tokens (`YT-apxUSD`). [\\[6\\]](#cite-id-H5ZSE4F2boVHUNni)\n* **Chainlink:** The protocol relies on [Chainlink](https://iq.wiki/wiki/chainlink) Price Feeds for reliable price data on collateral assets, which is critical for calculating collateralization ratios and triggering liquidations. [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[5\\]](#cite-id-upZnscbIng2cSO8Y)\n\n## Adoption and Incentives\n\nTo bootstrap growth and user adoption, [Apyx](https://iq.wiki/wiki/apyx) launched the \"APYX Pips\" campaign, an ongoing points-based incentive program. Users earn \"Pips\" for performing on-chain actions that support the ecosystem. These activities include minting and holding apxUSD, providing liquidity to integrated protocols, and referring new users. The Pips are expected to correlate with a future reward, such as an [airdrop](https://iq.wiki/wiki/airdrop) of the APYX [governance token](https://iq.wiki/wiki/governance-tokens). [\\[3\\]](#cite-id-D3LwNMPc8l1BnaRN) [\\[6\\]](#cite-id-H5ZSE4F2boVHUNni)​\n\nAs of a March 12, 2026 update, the Pips multipliers were set as follows:\n\n| Activity | Pips Multiplier | Notes |\n| ----------------------------------- | --------------- | ---------------------------------------------------------- |\n| **Holding & Committing** | ​ | ​ |\n| Hold apxUSD in wallet | 10x | ​ |\n| Commit apxUSD on platform | 20x | ​ |\n| Lock apxUSD to receive apyUSD | 1x | ​ |\n| **Curve Finance Liquidity** | ​ | *LP tokens must be committed on Apyx to earn Pips.* |\n| Provide `apxUSD/USDC` LP + Commit | 12x | ​ |\n| Provide `apxUSD/apyUSD` LP + Commit | 6x | ​ |\n| **Pendle Markets** | ​ | ​ |\n| Act as LP in apxUSD Pendle market | 24x | ​ |\n| Hold `YT-apxUSD` (Yield Token) | 32x | Described as a high-risk strategy. |\n| **Referrals** | N/A | Referrers earn 5% of the Pips generated by their referees. |\n\nThe campaign has contributed to the protocol's growth, with total mints surpassing 43 million. [\\[6\\]](#cite-id-H5ZSE4F2boVHUNni)​","summary":"apxUSD is a decentralized, over-collateralized stablecoin pegged to the US dollar. 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