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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallUSDO is OpenEden’s OpenDollar, a stablecoin designed to track the U.S. dollar. OpenEden says each token is backed by tokenized U.S. Treasury bills held through its TBILL Vault, while its customer interface shows minting and redemption at 1 USDC for 1 USDO. However, the reviewed official pages do not publish a dependable current circulating-supply total or a complete contract-level formula for issuing and destroying tokens. That means the reserve concept can be explained, but an exact supply number or chain-by-chain total should not be guessed.
USDO in one minute
OpenDollar, ticker USDO, is OpenEden’s stablecoin product. The company describes it as pegged one-to-one to the U.S. dollar and collateralized by tokenized U.S. Treasury bills. Those bills are represented through OpenEden’s TBILL Vault, a tokenized portfolio structure intended to connect traditional Treasury assets with an on-chain token.
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For customers who are eligible and have completed OpenEden’s onboarding, the interface displays a 1:1 conversion between USDC and USDO. It shows an estimated USDC fee of zero and an estimated completion time of instant. Those are interface quotes for the eligible customer flow, not a universal promise that every wallet, jurisdiction or transaction venue can mint or redeem.
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Product page: https://openeden.com/usdo. Customer interface: https://app.openeden.com/usdo.
Do not confuse USDO with OUSD
The symbols are easy to mix up, but they identify different products.
| Token | Product and issuer | What the cited announcement says |
|---|---|---|
| USDO | OpenDollar from OpenEden | A dollar-pegged stablecoin described as backed by tokenized U.S. Treasury bills through the TBILL Vault. |
| OUSD | Open USD from Open Standard | Open Standard’s September 30, 2026 announcement says OUSD is issued by Bridge, a Stripe company, and supported on Base, Ethereum, Solana and Tempo. |
The similar names do not indicate a shared issuer, reserve pool or supply system. If a wallet, exchange or article labels a token “Open USD,” check the ticker and issuer before sending funds. The Open Standard announcement is at https://joinopenstandard.com/blog/ousd-is-live.
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How OpenEden describes USDO’s backing
Tokenized Treasury bills
OpenEden’s February 21, 2025 launch announcement says USDO is fully collateralized by tokenized U.S. Treasuries and integrated with the TBILL Vault. In this model, the reserve is not described as a bank account containing ordinary dollars for every token. Instead, the underlying asset is a tokenized portfolio of Treasury bills, and USDO is the dollar-referenced token customers use against that structure.
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Intended yield and transparency
The issuer says the design is intended to pass native Treasury yield to USDO holders. It also says the arrangement is meant to provide real-time, on-chain proof of reserves. These statements describe the product’s intended design. The cited material does not include an independent reserve attestation or an independently verified balance, so “backed” should be read as OpenEden’s product claim rather than a conclusion established by an outside auditor in the sources cited here.
Legal structure
OpenEden says USDO is issued through a Segregated Account Company and characterizes that structure as bankruptcy-remote. The available information does not independently evaluate that legal characterization, the applicable insolvency treatment or how a particular holder would be treated in a failure. Those questions require the issuer’s legal documents and advice appropriate to the holder’s jurisdiction.
What “token supply” means for USDO
A stablecoin’s supply is the number of tokens recorded as outstanding by its smart contract or contracts. Supply generally rises when an authorized process creates (“mints”) tokens and falls when tokens are destroyed (“burned”) or otherwise removed from circulation. The economic reserve and the blockchain accounting are related but not identical: a reserve can be described in financial terms while the token contract records balances and total supply in technical terms.
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The customer-facing flow
- Eligibility and onboarding: OpenEden first determines whether the customer can use the service and completes its onboarding requirements.
- Mint request: The customer interface displays the option to exchange USDC for USDO at 1 USDC per USDO.
- Settlement: If the request is accepted, USDO is delivered according to the service’s operational and blockchain procedures. The interface displays an estimated completion of instant, but that estimate belongs to the quoted flow and can differ from network confirmation or an operational review.
- Redemption request: The interface also displays redemption at the same 1:1 USDC-to-USDO rate. A customer submits USDO and requests USDC through the eligible account flow.
- Supply effect: A typical stablecoin design would remove the redeemed USDO from circulation, but the cited pages do not document the exact burn timing, intermediary wallets or contract calls. Treat that detail as unverified until OpenEden publishes the contract specification.
The displayed fee is an estimated USDC fee of zero. Blockchain gas, banking costs, spreads outside the issuer interface or other charges from a separate venue are not addressed by that display and should not be assumed to be zero.
What is known—and not known—about the current supply
| Supply question | Evidence available | What can safely be concluded |
|---|---|---|
| Current circulating total | The product page’s circulation field was blank when retrieved; the customer interface gives no total. | No reliable current figure can be quoted from the cited pages. |
| Reserve balance | OpenEden describes tokenized Treasury backing and on-chain reserve transparency. | The reserve design is an issuer statement; an independent balance or attestation is not supplied here. |
| Contract addresses | Not provided in the reviewed material. | Do not infer an official contract from an unauthenticated token listing. |
| Chain-by-chain totals | Not provided in the reviewed material. | A wallet or explorer total for one network would not establish global USDO supply. |
| Mint and burn rules | The interface shows customer conversion, but not a complete contract specification. | The precise authorization, timing and formula remain unverified. |
This is why a market-data number copied from an aggregator should be treated cautiously unless it identifies the official contracts, the measurement time and the method used to combine networks. A supply figure can become stale after a mint, redemption, migration or contract change, and an unlabeled token with the same ticker may not be USDO at all.
Who can use USDO?
OpenEden identifies OpenEden Digital Limited as the issuer and says that entity is licensed by the Bermuda Monetary Authority as a Digital Asset Business. The customer interface states that minting and redemption are available only to eligible customers who have onboarded with OpenEden.
The launch announcement expressly says the product is not an offer in the United States or restricted jurisdictions. OpenEden’s product materials also indicate that access depends on jurisdiction and eligibility. USDO therefore should not be presented as universally available to U.S. residents or as a retail product accessible from every country. The applicable terms, onboarding decision and local rules control in practice.
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Before transferring funds, a prospective user should verify:
- That the account has completed the issuer’s onboarding and has an explicit mint or redeem option.
- That the user’s country and entity type are accepted under the current terms.
- That the destination network and wallet address are supported by the interface.
- That the token contract shown by the service matches the issuer’s current official documentation.
- Whether a quoted “instant” estimate still requires blockchain confirmations or compliance review.
How to check a USDO supply claim
Because no dependable total is published in the cited pages, readers should use a verification process rather than repeat an unlabeled number.
- Start with the issuer: Open the official USDO page at https://openeden.com/usdo and look for a current circulation disclosure, reserve statement and official contract references.
- Confirm the identity: Check that the asset is OpenEden’s OpenDollar with ticker USDO, not OUSD or another token using a similar name.
- Record the date and network: Any explorer reading is a point-in-time observation. Note the blockchain, contract address, block or timestamp and whether the number is total supply or merely a wallet balance.
- Check all official contracts: If OpenEden lists multiple networks or versions, add only the contracts it identifies as official and understand whether a bridge locks tokens on one chain while minting a representation on another.
- Compare supply with reserve disclosures: A reserve statement and a token total answer different questions. Look for the measurement date, asset valuation method, liabilities and any independent assurance.
- Use the customer interface for execution details: The interface at https://app.openeden.com/usdo is the relevant source for an eligible account’s quoted rate, fee estimate and completion estimate, not for a public global supply total.
If a listing lacks an official contract reference, shows a different issuer, or claims a precise total without a timestamp and methodology, it is not enough evidence to identify the real USDO supply.
Risks and limitations to understand
Reserve and counterparty risk
Tokenized Treasury bills can reduce some risks associated with unsecured stablecoin reserves, but they do not eliminate custody, valuation, settlement, issuer, administrator or legal risks. The cited materials do not establish how quickly assets can be liquidated, how yield is allocated after expenses, or what protections apply if a service provider fails.
Redemption and access risk
A displayed 1:1 rate applies to the OpenEden customer flow described above. It does not guarantee unrestricted exchange on secondary markets, immediate banking settlement or access for an ineligible customer. Jurisdictional restrictions can prevent an otherwise technically possible redemption.
Smart-contract and operational risk
Without a published contract specification in the reviewed sources, readers cannot verify the complete mint authority, pause controls, upgrade process or burn procedure from this material alone. Those are important questions for anyone assessing technical or governance risk.
Terminology risk
USDO, OUSD and similarly named assets can appear next to one another in search results and wallets. Sending funds to a look-alike contract can result in permanent loss, even when the ticker appears correct. Always use an official address and a small test transaction where the service permits it.
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OpenEden presents USDO as a USD-pegged OpenDollar backed by tokenized U.S. Treasury bills through the TBILL Vault. Its eligible customer interface quotes 1 USDC for 1 USDO, an estimated zero USDC fee and instant estimated completion. The issuer also describes a regulated Bermuda entity and a segregated-account structure.
Those facts do not amount to a verified public supply number. The pages reviewed leave the current circulation total, official contract inventory and full issuance/redemption mechanics unresolved. For readers evaluating USDO, the sensible distinction is between the product design OpenEden describes and the independently verifiable supply data that is not provided in the cited material.
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