# Advanced Documentation - [Smart Contracts Development](https://docs.defindex.io/advanced-documentation/developer-introduction.md): ⏱️ 1 min read - [What is a strategy?](https://docs.defindex.io/advanced-documentation/developer-introduction/what-is-a-strategy.md): ⏱️ 1 min read - [What is Blend Capital?](https://docs.defindex.io/advanced-documentation/developer-introduction/what-is-blend-capital.md): ⏱️ 1 min read - [Strategies APY](https://docs.defindex.io/advanced-documentation/developer-introduction/strategies-apy.md): ⏱️ 2 min read - [Building the Blend Strategy](https://docs.defindex.io/advanced-documentation/developer-introduction/03-how-to-create-a-strategy.md): ⏱️ 5 min read - [WhitePaper](https://docs.defindex.io/advanced-documentation/10-whitepaper.md): ⏱️ 2 min read - [Introduction](https://docs.defindex.io/advanced-documentation/10-whitepaper/01-introduction.md): ⏱️ 2 min read - [Core Concepts](https://docs.defindex.io/advanced-documentation/10-whitepaper/02-core-concepts.md): ⏱️ 3 min read - [The DeFindex Approach](https://docs.defindex.io/advanced-documentation/10-whitepaper/03-the-defindex-approach.md): ⏱️ 1 min read - [Smart Contracts](https://docs.defindex.io/advanced-documentation/10-whitepaper/04-contracts.md): ⏱️ 1 min read - [Vault Contract](https://docs.defindex.io/advanced-documentation/10-whitepaper/04-contracts/01-vault-contract.md): ⏱️ 13 min read - [Strategy Contract](https://docs.defindex.io/advanced-documentation/10-whitepaper/04-contracts/02-strategy-contract.md): ⏱️ 3 min read - [Zapper Contract](https://docs.defindex.io/advanced-documentation/10-whitepaper/04-contracts/02-zapper-contract.md): ⏱️ 2 min read - [Rates and APY](https://docs.defindex.io/advanced-documentation/10-whitepaper/05-rates-and-apy.md): ⏱️ 3 min read - [Strategy Examples](https://docs.defindex.io/advanced-documentation/10-whitepaper/06-strategies-examples.md): ⏱️ 1 min read - [State of the Art](https://docs.defindex.io/advanced-documentation/10-whitepaper/07-state-of-the-art.md): ⏱️ 1 min read - [Yearn Finance](https://docs.defindex.io/advanced-documentation/10-whitepaper/07-state-of-the-art/01-yearn-finance.md): ⏱️ 9 min read - [Set Protocol](https://docs.defindex.io/advanced-documentation/10-whitepaper/07-state-of-the-art/02-set-protocol.md): ⏱️ 4 min read - [Appendix](https://docs.defindex.io/advanced-documentation/10-whitepaper/08-appendix.md): ⏱️ 1 min read - [Why We Can't Swap on Deposit or Withdraw](https://docs.defindex.io/advanced-documentation/10-whitepaper/08-appendix/01-why-we-cant-swap-on-deposit-or-withdraw.md): ⏱️ 4 min read - [Risks and Audits](https://docs.defindex.io/advanced-documentation/risks-and-audits.md): ⏱️ 1 min read - [Available SDKs](https://docs.defindex.io/advanced-documentation/sdks.md): ⏱️ 1 min read - [Typescript SDK](https://docs.defindex.io/advanced-documentation/sdks/02-defindex-sdk.md): ⏱️ 3 min read - [Flutter SDK](https://docs.defindex.io/advanced-documentation/sdks/01-fluter-sdk.md): ⏱️ 2 min read --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.defindex.io/advanced-documentation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.