USDai

USDai (USDAI) is a yield-bearing synthetic dollar designed to hold a value near one US dollar while paying holders a return sourced from real lending activity. Rather than sitting idle like a plain stablecoin, USDai routes its backing into loans made against AI hardware, compute capacity, and DePIN (decentralized physical infrastructure) assets. In effect, the token behaves like a share in a high-yield bond index tied to income-producing equipment. It currently ranks around 171 by market capitalization.

What is USDai?

USDai is a synthetic dollar, meaning its peg is maintained through on-chain mechanisms and collateral rather than a single custodian holding cash reserves. The project's stated purpose is to bridge two worlds: on one side, the growing fleet of amortizing AI hardware and compute infrastructure that needs financing; on the other, capital that wants dollar-denominated yield. By lending against these productive assets, USDai channels interest income back to holders while aiming for a target range of roughly 15–25% APR.

How does USDai work?

USDai is not a mined or staked coin with its own blockchain. It is an ERC-20-style token that lives across several networks, including the Arbitrum, Ethereum, Base, and Plasma ecosystems. The yield comes from loans collateralized by hardware and DePIN assets, and a separate arbitrage mechanism is meant to restore the peg whenever the token drifts above or below a dollar. When USDAI trades rich or cheap, arbitrageurs are incentivized to mint or redeem, nudging the price back toward par.

Because the collateral is real-world equipment rather than cash, the risk profile differs from a fiat-backed stablecoin. Returns depend on borrowers making payments and on the value of the underlying hardware holding up over time.

USDai tokenomics and supply

USDai has a circulating and total supply of roughly 195.3 million tokens, with no fixed maximum cap. Supply expands and contracts with demand: new USDAI is created when users deposit and redeemed when they exit, which is typical for a synthetic dollar tied to an underlying pool of loans.

• Circulating supply: about 195.3 million USDAI
• Total supply: about 195.3 million USDAI
• Maximum supply: none (elastic, demand-driven)
• All-time high: $1.19; all-time low: about $0.77

The gap between the all-time high and low shows that, unlike a mature fiat stablecoin, USDAI has at times traded meaningfully away from its dollar target.

What is USDai used for?

USDai is used to earn passive dollar-denominated yield, to provide financing for AI and DePIN infrastructure operators, and as collateral or liquidity within DeFi protocols across its supported chains. DePIN projects can use debt raised through this model to fund expansion, while holders effectively fund that growth in exchange for interest.

Where to buy USDai

USDAI can be acquired on decentralized exchanges across the Arbitrum, Ethereum, and Base ecosystems, and you can compare venues using our best crypto exchanges ranking. To hold the token yourself, use a self-custody wallet from our best crypto wallets guide that supports the network you are transacting on.

Is USDai a good investment?

This is not investment advice. A yield-bearing synthetic dollar carries risks that a simple stablecoin does not: borrower default, collateral depreciation, smart-contract bugs, and de-peg events. The advertised 15–25% APR reflects those risks rather than a free return. Anyone considering USDAI should understand the loan book behind it, treat high yields as a signal of elevated risk, and never allocate more than they can afford to lose.