{"id":"alloy","title":"Alloy (aUSDT)","content":"**Alloy by Tether (aUSDT)** is a Tethered Asset designed to track the value of a reference asset using [Tether Gold (XAUT)](https://iq.wiki/wiki/tether-gold-xaut) as overcollateralized backing. Launched on June 17, 2024, Alloy by Tether enabled users to mint aUSDT by depositing XAUT as collateral, creating a synthetic dollar-denominated asset backed by tokenized gold.&#x20;\n\nIn June 2026, Tether announced the wind-down of Alloy by Tether and aUSDT, citing customer usage, market demand, and long-term strategic priorities, with redemptions remaining available until September 17, 2026. [\\[1\\]](#cite-id-nkoeqim3km)​[\\[2\\]](#cite-id-qee35ddae09)​[\\[11\\]](#cite-id-inf9YayCkQsOkbfn)&#x20;\n\n[YOUTUBE@VID](62KSbkDjxlQ)\n\n## Overview\n\nUsers minted Alloy by Tether tokens using [Tether Gold (XAU₮)](https://iq.wiki/wiki/tether-gold-xaut) as collateral, creating a digital currency connected to gold's strength. [\\[1\\]](#cite-id-nkoeqim3km)​[\\[2\\]](#cite-id-qee35ddae09)​\n\n> \"Introducing Alloy by Tether, the first Tethered Asset. aUSD₮ is over-collateralised on-chain by Tether Gold XAU₮, merging the dollar utility with the millennial store of value gold. aUSD₮ is over-collateralised by XAU₮ and its price stability is maintained through supply/demand dynamics on secondary markets (including liquidity pools).\" - the company tweeted.[\\[5\\]](#cite-id-ydlsa2psdm)\n>\n> \"Alloy by Tether provides long-term holders the opportunity to maintain exposure to gold, while in parallel obtaining a dollar-referenced Tethered Asset for payments and day-to-day economy\" - they added.\n\nAccording to the company, Alloy by Tether is an open platform that allows the creation of different Tethered Assets with broader backing mechanics, potentially including yield-bearing products. [\\[5\\]](#cite-id-ydlsa2psdm)​\n\n> Alloy by Tether is an open platform that allows to create collateralised synthetic digital assets and will soon be part of the new  digital assets tokenisation platform, launching later this year. - founder \\[Paolo Ardoino] - (\\[\\[<https://iq.wiki/wiki/paolo-ardoino>] - (<https://iq.wiki/wiki/paolo-ardoino>)] - (\\[<https://iq.wiki/wiki/paolo-ardoino>] - (<https://iq.wiki/wiki/paolo-ardoino>))) tweeted.[\\[9\\]](#cite-id-6r2up9qfikw)\n\n### aUSD₮\n\naUSD₮ is a non-algorithmic, gold-backed, on-chain, and Tethered asset minted through the Vaults. [\\[8\\]](#cite-id-cnb9amyzu0e)​\n\nSimilar to the other Tether tokens like [USDT](https://iq.wiki/wiki/tether), aUSD₮ tokens are \"authorized but not issued\" when they are created and deposited into the Vaults, ready to be minted by users. They are only considered \"authorised and issued\" when they are minted by the user. [\\[8\\]](#cite-id-cnb9amyzu0e)​\n\nThe synthetic dollar can be minted by depositing [XAUT](https://iq.wiki/wiki/tether-gold-xaut) through a [smart contract](https://iq.wiki/wiki/smart-contract) and price [oracles](https://iq.wiki/wiki/oracle). Thus, users can make transactions with aUSDT while retaining their gold-backed Tether asset. [\\[3\\]](#cite-id-mhnq9ubwn6b)​\n\naUSDT was developed by Tether subsidiaries Moon Gold and Moon Gold El Salvador. [\\[3\\]](#cite-id-6r2up9qfikw)​[\\[10\\]](#cite-id-k0y7ywjkr6t)​\n\n### Tethered Asset\n\nTethered Assets are digital assets that aim to track the reference price of another asset through stabilization strategies like over-collateralization with liquid assets and secondary market [liquidity pools](https://iq.wiki/wiki/liquidity-pool), which seek to provide consistent value and stability between the reference asset and its tethered counterpart. [\\[1\\]](#cite-id-nkoeqim3km)​\n\n## Technology\n\nAlloy by Tether aims to stabilize the volatile financial landscape by backing each unit with [Tether Gold](https://iq.wiki/wiki/tether-gold-xaut), representing ownership of physical gold stored in Switzerland. This approach leverages Switzerland's economic stability to enhance the reliability of Tether Gold. [\\[6\\]](#cite-id-5vrljy4nai3)​\n\nBy using gold as collateral, Alloy by Tether seeks to be a digital asset with low volatility. The platform utilizes [smart contracts](https://iq.wiki/wiki/smart-contract) compatible with various [Ethereum Virtual Machine](https://iq.wiki/wiki/ethereum-virtual-machine-evm) (EVM) chains, including [Ethereum Mainnet](https://iq.wiki/wiki/ethereum), [Polygon](https://iq.wiki/wiki/polygon), [Optimism](https://iq.wiki/wiki/optimism), [Arbitrum](https://iq.wiki/wiki/arbitrum), and [BNB Chain](https://iq.wiki/wiki/binance-smart-chain). [\\[6\\]](#cite-id-5vrljy4nai3)​\n\nSolidity is a leading language for developing Ethereum smart contracts, valued for its robustness and security features. By utilizing Solidity, Alloy by Tether ensures compatibility with various [blockchains](https://iq.wiki/wiki/blockchain) while upholding high standards of security and functionality. [\\[6\\]](#cite-id-5vrljy4nai3)​\n\n## Alloy by Tether Vaults\n\nAlloy by Tether's core [smart contracts](https://iq.wiki/wiki/smart-contract) are called Vaults. Each Vault serves multiple purposes\n\n* Storing User's Collateral.\n* Storing Unissued aUSD₮.\n* Storing User's Collateralised Minted Position (CMP) information.\n\nVaults store inside them the address' metrics, such as:\n\n* Minted aUSD₮\n* Provided XAU₮\n* Position's Mint to Value (MTV)\n\nVault uses this information to compute the solvency of the position. If the position approaches liquidation, whitelisted liquidators are able to liquidate it, withdrawing the user's XAU₮ while transferring back aUSD₮ up to the amount of minted aUSD₮. [\\[7\\]](#cite-id-ik3cvhncy0p)​\n\n## Wind-Down and Discontinuation\n\nOn June 17, 2026, [Tether](https://iq.wiki/wiki/tether) announced the gradual discontinuation of Alloy by Tether and its associated overcollateralized asset, aUSDT. The company stated that the decision followed a review of customer adoption, market demand, and broader business priorities. [\\[11\\]](#cite-id-inf9YayCkQsOkbfn)&#x20;\n\nAs part of the wind-down process, Tether immediately disabled the creation of new Alloy positions and halted the minting of additional aUSDT. Existing users were allowed a transition period to close positions and redeem their holdings.\n\nTether noted that Alloy by Tether had served as a valuable experiment in tokenized real-world assets and overcollateralized synthetic assets, providing insights that would inform future product development. Going forward, the company said it would focus on expanding [Tether Gold (XAUT)](https://iq.wiki/wiki/tether-gold-xaut) and other core ecosystem products.\n\nUsers were given until September 17, 2026, to redeem aUSDT and withdraw the underlying XAUT collateral in accordance with the platform’s terms. Following the deadline, Alloy by Tether ceased operations and no longer supported collateral withdrawals through the platform. [\\[11\\]](#cite-id-inf9YayCkQsOkbfn)&#x20;","summary":"Alloy by Tether (aUSDT) was a Tethered Asset designed to track the value of a reference asset using  Tether Gold (XAUT). 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