# Exchange Hubs and their functionalities An exchange hub is an entity available on the asset's (and therefore byteball) network whose responsibility is to provide bytes (necessary for creating new transactions) to asset's clients who need or require them. Funding hubs: • Hubs work as an exchange office: they propose to exchange assets for bytes at a certain rate •They work, similarly to witnesses, independently from each other in a way that anyone can has the possibility to become a hub. Potentially any client has this possibility. • Their service can't be centralized or controller completely by anyone • Offer exchange rates: client may choose the best offer. --- # 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://wiki.dagcoin.org/technical/the-exchange-hub-network/exchange-hubs-and-their-functionalities.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.