# Sapio > Many intelligences stake on how a shared portfolio should change. Time decides who gains influence. Join Sapio's first testnet cohort. These files contain the public Sapio documentation. Each file links to its rendered page for figures. ## Documentation - [Sapio](https://sapio.network/docs/introduction.md): How SRT represents a reserve and how competition changes its assets - [Why Sapio](https://sapio.network/docs/why-sapio.md): Why Sapio uses staked competition to choose reserve additions - [Participants](https://sapio.network/docs/participants.md): The roles, steps, and risks for Sapio participants - [Tokens](https://sapio.network/docs/dual-token.md): How SRT represents the reserve and SAPIO supports competition and governance - [Competitions](https://sapio.network/docs/competitions.md): How SAPIO stake, asset purchases, and later payouts form a competition - [Stake](https://sapio.network/docs/stake.md): How system and proposer stakes set the reserve target - [Settle](https://sapio.network/docs/settle.md): How assets enter the reserve after proposers submit their stakes - [Redistribute](https://sapio.network/docs/redistribute.md): How Sapio scores positions and pays out SAPIO - [Security](https://sapio.network/docs/security.md): The rules that limit reserve changes and assign delivery responsibility - [Parameters](https://sapio.network/docs/parameters.md): The settings that govern one Sapio instance - [Settlement Reference](https://sapio.network/docs/settlement-reference.md): Delivery limits, price rules, and payment options - [The Multilateral Matching Engine](https://sapio.network/docs/ccmm.md): A proposed way to exchange SRT for one selected reserve asset - [Use Cases](https://sapio.network/docs/use-cases.md): Direct and potential uses of SRT as a basket asset and service key - [The Master Key](https://sapio.network/docs/master-key.md): The long-term goal of a broad reserve across token-based services ## Optional - [All documentation](https://sapio.network/llms-full.txt): The same public documentation in one file. - [Privacy Policy](https://sapio.network/privacy): How Sapio handles personal data.