> For the complete documentation index, see [llms.txt](https://docs.premia.blue/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.premia.blue/developer-center/contracts/v3-protocol.md).

# V3 Protocol

The smart contracts for Premia combine The Premia Protocol, an exchange and settlement engine for crypto options on Arbitrum, and Premia Vaults, a set of automated return and risk-management strategies built on The Premia Protocol. The protocol was developed in-house, while the vault contracts are a joint effort of in-house development and third-party open-source additions.


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