> For the complete documentation index, see [llms.txt](https://docs.sating.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sating.io/sating.io-basics/the-main-sating-page/sating-search-types/black-sats.md).

# Black Sats

Black Sats are the last sats in each new block.  Uncommons are the first sat in each block.  Ironically it would be very unusual to find both a Black Sat and Uncommon in the same wallet even though from a sat numbering perspective they are back to back.