Stablecoin Issuer · Review
ActiveFrax USD Review 2026: A Reserve-Backed Stablecoin
Frax USD (frxUSD) is a fully collateralized stablecoin from Frax Finance, backed by cash-equivalent reserves at off-chain custodians with on-chain minting and redemption. The main takeaway is that it trades the trustless design of earlier Frax stablecoins for a more conventional reserve model.
By the DappsAtlas editorial team · Updated
DappsAtlas score
—/10
Not rated
Our verdict on Frax USD
Frax USD suits holders who want a dollar stablecoin with a stated full-collateral model and on-chain mint and redeem, and who accept custodial reserves. Its strength is the clear backing description and meaningful TVL on Ethereum. The main caveat is that custodian names, reserve reporting, fees and audit details are not public reviewed, so check them before relying on it for large sums.
Score breakdown
How Frax USD scores
- Security
- n/a
- Ease of use
- n/a
- Fees
- n/a
- Features
- 6.5/10
Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.
What is Frax USD?
Frax USD (frxUSD) is a stablecoin issued by Frax Finance. DefiLlama describes it as fully collateralized, combining off-chain custodians that hold cash-equivalent reserves with on-chain minting and redemption mechanisms.
DefiLlama files it under RWA and shows it on Ethereum with about 99.1 million US dollars in TVL, down 1.4% over seven days. It has been listed since August 2025, and two audits are shown. The token ticker listed is FRAX, and the project's X account is fraxfinance.
The Frax homepage describes the platform as the financial engine of the internet but gives little detail in the text available. Reserve breakdowns, fees and redemption terms are not public reviewed.
How Frax USD works
A fully collateralized stablecoin aims to keep one token worth one US dollar by holding reserves of equal value. For frxUSD, public sources say those reserves are cash equivalents held by off-chain custodians.
On-chain minting and redemption connect the token to those reserves. Eligible users deposit value to receive newly minted tokens, and can return tokens to redeem value. This lets the supply expand and contract with demand, and arbitrage can help keep the market price near one dollar.
The design depends on the custodians actually holding the reserves and honoring redemptions. That makes it closer to a traditional issuer than an on-chain overcollateralized stablecoin.
6 features
Key features
01
Full collateralization
The stablecoin is described as fully collateralized, with reserves in cash equivalents rather than relying on algorithmic backing.
02
Off-chain custodians
Off-chain custodians hold the reserves, which is how the project connects the token to traditional cash-equivalent assets.
03
On-chain mint and redeem
Tokens are minted and redeemed through on-chain mechanisms, linking the reserve to the token supply.
04
Frax ecosystem
Frax Finance describes itself as the financial engine of the internet, and frxUSD sits within its wider product set.
05
Listed audits
DefiLlama lists two audits for the project, though their scope is not detailed publicly.
06
Ethereum deployment
The listing shows deployment on Ethereum, the largest smart contract chain for DeFi stablecoins.
Pros and cons
What we like
- Described as fully collateralized with cash-equivalent reserves, a simpler backing model than algorithmic designs.
- On-chain minting and redemption give a defined route between the token and its reserves.
- Roughly 99 million US dollars in TVL on DefiLlama shows meaningful usage.
- Two audits are listed on DefiLlama.
- Issued by Frax Finance, an established name in DeFi stablecoins.
Watch out for
- Reserves are held by off-chain custodians, so holders carry custodian and counterparty risk that on-chain code cannot remove.
- Fees, redemption limits and custodian names are not public reviewed and must be checked independently.
- Public sources list only two audits and give no details of scope, auditor or findings.
- TVL fell 1.4% over seven days, a small move but a reminder that stablecoin supply can shrink.
- Listed on DefiLlama only since August 2025, so the track record is short for this specific token.
- Public sources show Ethereum only, so availability on other chains is not established here.
Frax USD fees
Fees are not published publicly reviewed. Any mint or redeem fees, spreads and network gas costs would be shown in the Frax app or documentation at the point of minting or redeeming.
Holding the token on Ethereum involves normal gas costs for transfers. Users who swap through a DEX also pay that venue's trading fees and may face slippage.
Is Frax USD safe?
The main risk is custodial. Reserves sit with off-chain custodians, so holders depend on those parties and on the issuer's ability to process redemptions. The project does not name the custodians or describe reserve attestations, so readers should look for those disclosures.
DefiLlama lists two audits, but scope and findings are not public. Smart contract risk, depeg risk and regulatory changes affecting stablecoins also apply. No incidents are mentioned publicly reviewed.
6 steps
How to get started with Frax USD
- 1
Read the Frax documentation to confirm how frxUSD is minted, redeemed and backed.
- 2
Check the reserve and custodian disclosures and the two listed audit reports.
- 3
Confirm that the service is available in your jurisdiction and whether identity checks apply to minting or redemption.
- 4
Set up an Ethereum-compatible wallet and keep some ETH for gas.
- 5
Start with a small transaction to check fees and redemption steps before moving larger amounts.
- 6
Verify the token contract address from official Frax channels to avoid fake tokens.
Who Frax USD is for
Frax USD is for crypto users who want a dollar-pegged token on Ethereum and are comfortable with off-chain custodians holding reserves. It also suits people already using Frax Finance products. Those who want fully on-chain, trust-minimized collateral should compare other designs.
Frax USD FAQs
What is Frax USD (frxUSD)?
Frax USD (frxUSD) is a stablecoin issued by Frax Finance. It is described as fully collateralized, with cash-equivalent reserves held by off-chain custodians and on-chain minting and redemption.
Is Frax USD fully backed?
According to the DefiLlama description, it is fully collateralized by cash-equivalent reserves. Reserve composition, custodian names and attestation frequency are not public reviewed, so check Frax's own disclosures.
Which blockchain does Frax USD run on?
The DefiLlama listing shows Ethereum. Other deployments may exist but are not established from public sources reviewed here.
How much value is in Frax USD?
DefiLlama shows roughly 99.1 million US dollars in TVL, down 1.4% over seven days. These figures change constantly, so check the current numbers.
What is the token ticker?
DefiLlama lists a token ticker of FRAX for the project, and the stablecoin itself is called frxUSD. Check Frax's documentation to see how the tokens relate.
Is Frax USD safe?
Any stablecoin with off-chain reserves carries custodian, regulatory and depeg risk. Two audits are listed, but their details are not public, so read the reports before holding large amounts.
Compare
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How we checked
Sources
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