# Introduction YetAnotherDeFi, or YAD, is a multichain swap router that aggregates liquidity across all dominant blockchains from all leading DeFi liquidity providers. YAD allows swapping 3,500 tokens over seven blockchains at the best rate with the lowest transaction cost. Our decentralized, non-custodial, and censorship-resistant swap technology gives you the freedom to swap and send your money whenever and wherever you want, with no borders and no KYC limits. We’ve developed a gas-optimized smart contract so that you can save your money on transaction fees. Our goal is to provide the widest choice of assets for you to maximize your benefits from every swap. --- # 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.yad.finance/introduction.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.