# RFI Token RFI token is a type of BEP-20/ERC-20 token with automated yield generation. This means that for each transaction or a specified action, the holders of the token will automatically receive income. This detail makes the building of an RFI token a much more complicated process than creating a smart contract for a regular BEP-20 or an ERC-20 token. However, this allows for more customization. There are options for fees, burning, whitelisting addresses, etc. This option is only available with an audit. It’s combined using the same principles as BEP-20/ERC-20 audit report. There are certain pros to using an RFI token created with CryptEx Token Constructor. Read more below. --- # 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.cryptexlock.me/cryptex-services/smart-contract-constructor/rfi-token.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.