# Mining Timing & Blocks

* **How long does each mining block last?**\
  10 minutes.
* **When can I contribute fuel?**\
  Only in the first 9 minutes of each block.
* **What happens if I send fuel after 9 minutes?**\
  It will not be eligible and **will not** be refunded.
* **When do I get my rewards?**\
  After the mining block ends and pools are evaluated.
