> For the complete documentation index, see [llms.txt](https://docs.nookapp.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nookapp.xyz/posts.md). # Posts - [Your Bank Is Keeping the Yield](https://docs.nookapp.xyz/posts/your-bank-is-keeping-the-yield.md): The cost of intermediating a dollar of credit in DeFi is one to two orders of magnitude lower than in TradFi. - [What Is a Vault Curator? Two Vaults. Same 7% APY. One Right Answer.](https://docs.nookapp.xyz/posts/what-is-a-vault-curator.md): Every DeFi vault publishes a yield. The strategy behind determines how you earn it. - [What Is a Vault? The $30 Trillion Idea, Borrowed From Vanguard](https://docs.nookapp.xyz/posts/what-is-a-vault-the-usd30-trillion-idea-borrowed-from-vanguard.md): ETFs democratized equity investing. Vaults are bringing the same principle to stablecoin lending. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## 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.nookapp.xyz/posts.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.