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

# Key Concepts

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[P2P Trading Protocol vs DEX](/variational-protocol/key-concepts/p2p-trading-protocol-vs-dex.md)
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[Trading via RFQ](/variational-protocol/key-concepts/trading-via-rfq.md)
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[Variational Oracle](/variational-protocol/key-concepts/variational-oracle.md)
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[Settlement Pools](/variational-protocol/key-concepts/settlement-pools.md)
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