> For the complete documentation index, see [llms.txt](https://ordinal-hashes.gitbook.io/ordinal-hashes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ordinal-hashes.gitbook.io/ordinal-hashes/what-are-ordinals.md).

# What are Ordinals

Read about Ordinals here: https\://docs.ordinals.com/

Ordinals are a numbering scheme for satoshis that allows tracking and transferring individual sats. These numbers are called [ordinal numbers](https://ordinals.com/). Satoshis are numbered in the order in which they're mined, and transferred from transaction inputs to transaction outputs first-in-first-out. Both the numbering scheme and the transfer scheme rely on *order*, the numbering scheme on the *order* in which satoshis are mined, and the transfer scheme on the *order* of transaction inputs and outputs. Thus the name, *ordinals*. check out the official ordinals documentation to learn more: <https://docs.ordinals.com/>