# USDD Docs

## Docs

- [What is the new version of USDD?](https://docs.usdd.io/introduction/readme.md)
- [What is USDDOLD?](https://docs.usdd.io/introduction/what-is-usddold.md)
- [Why upgrade USDD?](https://docs.usdd.io/introduction/why-upgrade-usdd.md)
- [Core Features](https://docs.usdd.io/introduction/core-features.md)
- [Contract Addresses](https://docs.usdd.io/introduction/collateral-asset-contract-addresses.md)
- [Ecosystem Migration Progress](https://docs.usdd.io/introduction/ecosystem-migration-progress.md)
- [Ecosystem Migration Progress](https://docs.usdd.io/ecosystem-migration-progress.md)
- [System Architecture](https://docs.usdd.io/system-architecture/system-architecture.md)
- [Smart Allocator](https://docs.usdd.io/system-architecture/smart-allocator.md)
- [sUSDD Mechanism](https://docs.usdd.io/system-architecture/susdd-mechanism.md)
- [Regarding the Dynamic APY Pricing Mechanism](https://docs.usdd.io/system-architecture/regarding-the-dynamic-apy-pricing-mechanism.md)
- [Getting Started](https://docs.usdd.io/user-guide/getting-started.md)
- [Open a Vault](https://docs.usdd.io/user-guide/open-a-vault.md)
- [Manage a Vault](https://docs.usdd.io/user-guide/manage-a-vault.md)
- [Close a Vault](https://docs.usdd.io/user-guide/close-a-vault.md)
- [Risk Alert](https://docs.usdd.io/user-guide/risk-alert.md): Protecting your assets with real-time risk monitoring
- [Liquidation](https://docs.usdd.io/user-guide/liquidation.md)
- [Collateral Auction](https://docs.usdd.io/user-guide/collateral-auction.md)
- [PSM](https://docs.usdd.io/user-guide/psm-peg-stability-module.md)
- [Migrate](https://docs.usdd.io/user-guide/migrate.md)
- [USDD Savings](https://docs.usdd.io/user-guide/usdd-savings.md)
- [Glossary](https://docs.usdd.io/developers/glossary.md)
- [Core Contracts](https://docs.usdd.io/developers/core-contracts.md)
- [Vat](https://docs.usdd.io/developers/core-contracts/vat.md)
- [Dog](https://docs.usdd.io/developers/core-contracts/dog.md)
- [Clip](https://docs.usdd.io/developers/core-contracts/clip.md)
- [Spot](https://docs.usdd.io/developers/core-contracts/spot.md)
- [Jug](https://docs.usdd.io/developers/core-contracts/jug.md)
- [Median](https://docs.usdd.io/developers/core-contracts/median.md)
- [OSM](https://docs.usdd.io/developers/core-contracts/osm.md)
- [Proxy contract](https://docs.usdd.io/developers/core-contracts/proxy-contract.md)
- [PSM](https://docs.usdd.io/developers/core-contracts/psm.md)
- [Migrate](https://docs.usdd.io/developers/core-contracts/migrate.md)
- [Deployment Addresses](https://docs.usdd.io/developers/deployment-addresses.md)
- [Liquidation & Auction](https://docs.usdd.io/developers/liquidation-and-auction.md)
- [Key Features of Liquidation](https://docs.usdd.io/developers/liquidation-and-auction/key-features-of-liquidation.md)
- [Example Process](https://docs.usdd.io/developers/liquidation-and-auction/example-process.md)
- [Benefits](https://docs.usdd.io/developers/liquidation-and-auction/benefits.md)
- [Oracle](https://docs.usdd.io/developers/oracle.md)
- [USDD Public API](https://docs.usdd.io/developers/usdd-public-api.md)
- [MCP Server](https://docs.usdd.io/ai-support/mcp-server.md)
- [USDD Skills](https://docs.usdd.io/ai-support/usdd-skills.md)
- [AI / LLMs](https://docs.usdd.io/ai-support/ai-llms.md)
- [Overview](https://docs.usdd.io/governance/overview.md)
- [Secure Framework](https://docs.usdd.io/security/secure-framework.md)
- [Audits](https://docs.usdd.io/security/audits.md)
- [Terms of Use](https://docs.usdd.io/legals/terms-of-use.md): (Last updated at 2026.07.22)
- [Privacy Policy](https://docs.usdd.io/legals/privacy-policy.md): （Last updated at 2025.01.04)
- [USDD Brand Assets License and Terms of Use](https://docs.usdd.io/legals/usdd-brand-assets-license-and-terms-of-use.md)