> For the complete documentation index, see [llms.txt](https://docs.ordinalsbot.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ordinalsbot.com/knowledge-base.md).

# Knowledge Base

- [Ordinals](https://docs.ordinalsbot.com/knowledge-base/ordinals.md)
- [What is an Ordinal?](https://docs.ordinalsbot.com/knowledge-base/ordinals/what-is-an-ordinal.md)
- [Satoshi Rarity](https://docs.ordinalsbot.com/knowledge-base/ordinals/satoshi-rarity.md)
- [What are BRC-20 Tokens?](https://docs.ordinalsbot.com/knowledge-base/ordinals/what-are-brc-20-tokens.md)
- [Image Optimisation](https://docs.ordinalsbot.com/knowledge-base/ordinals/image-optimisation.md)
- [Pixel Art](https://docs.ordinalsbot.com/knowledge-base/ordinals/pixel-art.md)
- [Bitcoin](https://docs.ordinalsbot.com/knowledge-base/bitcoin.md): The Bitcoin Mempool, Fee Market, and Transaction Confirmation
- [Unspent Transaction Output (UTXO)](https://docs.ordinalsbot.com/knowledge-base/bitcoin/unspent-transaction-output-utxo.md)