# Relayer {% hint style="info" %} Relayers are **permission-less and trust-less**. This means that anyone can operate a Relayer for channels they are interested in. {% endhint %} The relayer forwards updates from the home to one or more replicas. **It is an off-chain actor that does the following:** * Observe the home * Observe 1 or more replicas * Polls home for new signed updates (since replica's current root) and submits them to replica * Polls replica for confirmable updates (that have passed their optimistic time window) and confirms if available (updating replica's current root) --- # 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.nomad.xyz/the-nomad-protocol/off-chain-agents/relayer.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.