# Unit of account Unit of account is the numeraire by which all other aggregates might be measured and put at par. (compared). Units of account a.k.a. exchange units are utilized by the distributed exchange protocol to provide a unit of account that serves as a shared value reference frame that does not favor any one specific token type; and to increase the possibility for matching an offer. It has no one issuer, or every one can issue it. --- # 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://glossary.ecsa.io/unit-of-account.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.