> For the complete documentation index, see [llms.txt](https://docs.astera.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.astera.fi/readme.md).

# Welcome to Astera

Astera is DeFi-native Credit Facility that issues asUSD both over- and under-collateralized. Astera is a new financial primative leveraging the trust of Ethereum as infrastructure.

**This document is subject to change without notice.**

#### **Quick Entry Points:**

* **New to Stablecoins?** → Start with [What is asUSD?](/asusd/what-is-asusd.md)
* **Experienced DeFi User?** → Jump to [Core Architecture](/core-architecture/astera-ethereums-native-credit-layer.md)
* **Institution/Developer?** → Review [Technical Documentation](/technical/whitepapers.md)
* **Risk Assessment?** → See dedicated [Security & Compliance](/security-and-compliance/security-audits.md) 

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-type="content-ref"></th></tr></thead><tbody><tr><td><h4><i class="fa-coins">:coins:</i></h4></td><td><strong>Earn on your crypto</strong></td><td>Supply USD, ETH, BTC and other cryptocurrencies and earn yields from borrowers. </td><td><a href="https://astera.fi/lend">https://astera.fi/lend</a></td><td></td><td></td><td><a href="/pages/7FvWQMF0kTK7HGhlQfmo">/pages/7FvWQMF0kTK7HGhlQfmo</a></td><td><a href="https://astera.fi/lend">https://astera.fi/lend</a></td></tr><tr><td><h4><i class="fa-hand-holding-circle-dollar">:hand-holding-circle-dollar:</i></h4></td><td><strong>Access asUSD</strong></td><td>You can access asUSD either by borrowing on your favorite asset on Lend or swapping to asUSD on Etherex.</td><td><a href="https://astera.fi/lend">https://astera.fi/lend</a></td><td></td><td></td><td><a href="/pages/YYU2gkglOaLTdZoAgxMo">/pages/YYU2gkglOaLTdZoAgxMo</a></td><td><a href="https://astera.fi/lend">https://astera.fi/lend</a></td></tr><tr><td><h4><i class="fa-money-check-dollar-pen">:money-check-dollar-pen:</i></h4></td><td><strong>Staked asUSD</strong></td><td>Our credit solutions earn a yield absorbed by stakers. The result is a vault earning uncorrelated yield from Ethereum credit.</td><td><em>[coming soon]</em></td><td></td><td></td><td><a href="/pages/QPzbTvC6XsT5gERiU43E">/pages/QPzbTvC6XsT5gERiU43E</a></td><td><a href="https://astera.fi/earn">https://astera.fi/earn</a></td></tr><tr><td><i class="fa-scale-balanced">:scale-balanced:</i></td><td><strong>Our Facilitators</strong></td><td>Liquidity for asUSD can be found on Etherex, home of Ethereum liquidity on Linea.</td><td><a data-mention href="/pages/i73g4LZQanoLj7XtSO18">/pages/i73g4LZQanoLj7XtSO18</a></td><td></td><td></td><td></td><td><a href="https://etherex.finance/">https://etherex.finance/</a></td></tr><tr><td><i class="fa-bridge">:bridge:</i></td><td><strong>Moving funds to Linea</strong></td><td>Astera has integrated Li.Fi to provide convenient bridging from all major blockchains directly into asUSD.</td><td><a href="https://astera.fi/bridge">https://astera.fi/bridge</a></td><td></td><td></td><td></td><td><a href="https://astera.fi/swap">https://astera.fi/swap</a></td></tr><tr><td><i class="fa-helicopter">:helicopter:</i></td><td><strong>Guided Onboarding</strong></td><td>Astera is a unique protocol so if you are wanting to allocate in size you can contact us for an introductary call or onboarding session.</td><td><em>Contact @bitSAMSoN on Telegram</em></td><td></td><td></td><td></td><td><a href="https://astera.fi/onboard">https://astera.fi/onboard</a></td></tr><tr><td><i class="fa-waveform">:waveform:</i></td><td><strong>Our Ethernomics</strong></td><td>Astera is built to make Ethereum irreplaceable. Understand how Astera fits in the Ethereum economy.</td><td><a data-mention href="/pages/CwnGinhSPLqMTBNVZBvR">/pages/CwnGinhSPLqMTBNVZBvR</a></td><td></td><td></td><td></td><td><a href="/pages/CwnGinhSPLqMTBNVZBvR">/pages/CwnGinhSPLqMTBNVZBvR</a></td></tr><tr><td><i class="fa-percent">:percent:</i></td><td><strong>What controls the Interest Rates?</strong></td><td>Astera implements autonomous control systems that adjust interest rates in real-time based on actual market conditions.</td><td><a data-mention href="/pages/QZa3Mqa3m34UysWsswpO">/pages/QZa3Mqa3m34UysWsswpO</a></td><td></td><td></td><td></td><td></td></tr></tbody></table>

**Astera is a work-in-progress.**&#x20;