# Announcement on 4th halving of MDX The 4th halving of MDEX governance token MDX took place at a block height of 13109498 on HECO and 15707398 for BSC on March 2nd, 2022. After this halving, the number of rewards per block was cut by 50%, from the previous 20 MDX per block to 10 MDX per block. MDEX Team March 2nd 2022 --- # 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://mdexdoc.gitbook.io/doc/announcement/announcement-on-4th-halving-of-mdx.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.