> ## Documentation Index
> Fetch the complete documentation index at: https://apidocs.bridge.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# OUSD Overview

## Intro

Open USD (OUSD) is a USD-denominated, open-loop stablecoin launched by [Open Standard](https://joinopenstandard.com/), a new independent company founded by Coinbase, Mastercard, Shopify, Stripe, and Visa, and governed by a board made up of OUSD's partners. Issued by Bridge, Open USD is backed by 200+ global businesses, financial institutions, and platforms.

## Why use OUSD?

<CardGroup cols={2}>
  <Card title="Shared economics" icon="shuffle">
    Reserve rewards are designed to flow primarily to the platforms that drive the use of Open USD.
  </Card>

  <Card title="Neutral governance" icon="scale-balanced">
    Governed by an independent board representing Network Partner interests, where no single entity controls the roadmap, fees, or design decisions.
  </Card>

  <Card title="Built for global volume" icon="globe">
    No fees to mint or redeem, with infrastructure designed to handle millions of transactions simultaneously, 24/7.
  </Card>

  <Card title="Safe and regulated" icon="shield">
    Reserves are maintained at major financial institutions in compliance with US regulatory requirements (GENIUS Act).
  </Card>
</CardGroup>

## Supported Blockchains

| Network | Official address |
| - | - |
| Base | `0xB2000000000000000000002fEb517dFeC7415344` |
| Ethereum | `0x9f6F3991D525015a6F8CaF062C83b62fD3AC4436` |
| Solana | `ousd2mJsPEckLHcSCDxyKD7NDGARZcfLbDZkKiatYHB` |
| Tempo | `0x20c0000000000000000000006a37DA5C996874BE` |

## FAQ

<AccordionGroup>
  <Accordion title="Who issues OUSD?">
    Bridge is the issuer of OUSD. Bridge mints, burns, and holds the reserves backing OUSD. Open Standard, an independent company governed by a partner-elected board, operates the broader OUSD network.
  </Accordion>

  <Accordion title="How is OUSD backed?">
    OUSD is backed 1:1 by US dollar reserves held in short-dated US Treasuries, overnight Treasury repurchase agreements, money market funds, and cash, in a segregated account for the benefit of token holders. Reserves are held at major, regulated financial institutions including BNY, BlackRock, and Lead Bank.
  </Accordion>

  <Accordion title="What does it mean for OUSD to be open-loop?">
    Open-loop means OUSD is designed to move freely between different parties and across chains, rather than being locked within a single platform or ecosystem. This makes it useful for use cases where money is transferred between different businesses and liquidity is needed.
  </Accordion>

  <Accordion title="How do I earn rewards with OUSD?">
    Reserve earnings generated by OUSD are passed through to partners, minus a small management fee for operations, rather than being retained by the issuer.
  </Accordion>

  <Accordion title="Which blockchains does OUSD support?">
    OUSD is currently supported on Base, Ethereum, Solana, and Tempo. See the [Supported Blockchains](#supported-blockchains) table above for official contract addresses.
  </Accordion>

  <Accordion title="Where is OUSD available?">
    OUSD is available globally, with the exception of certain restricted jurisdictions. Promotion and availability of OUSD excludes the European Economic Area and a list of sanctioned or restricted countries and territories, including Afghanistan, Belarus, Cuba, Iran, Iraq, Libya, Myanmar, North Korea, Russia, Somalia, Sudan, South Sudan, Syria, Venezuela, Yemen, and certain contested territories. OUSD also cannot be promoted for certain prohibited use cases, such as gambling, adult content, weapons, and other restricted or high-risk categories.

    See Open Standard's [Geo-Restrictions and Prohibited Use Cases](https://joinopenstandard.com/legal/geo-restrictions-and-prohibited-use-cases) page for the full, current list of restricted jurisdictions and prohibited use cases.
  </Accordion>
</AccordionGroup>