# How do PERQ Pools work? - Advanced

<figure><img src="/files/5fm4XdjNZ61dL1Nj3PhM" alt=""><figcaption><p>The protocols that enable your rewards.</p></figcaption></figure>

Deposits in PERQ Pools are placed into vaults powered by various blue chip DeFi protocols. These vaults generate stable yield\* that is continually streamed to the project offering the Pool.&#x20;

Your idle assets are put to work in favor of the projects you choose to support, which enables these projects to give users the tokens they love in return.

PERQ Pools are built on a heavily audited blue-chip DeFi stack. First, the underlying vaults are created via the [Yelay](https://www.yelay.io/) factory contracts. Yelay is a heavily audited and battle-tested DeFi middleware with 5 independent audits by Trail Of Bits, Chainsecurity, Quantstamp, Peckshield, and Omniscia as well as an active ImmuneFi bug bounty.

The vaults exclusively leverage blue chip, battle-tested DeFi platforms such as Aave, Compound, Curve, Convex, Morpho, Lido, Gearbox, and Frax. As a general heuristic, PERQ recommends lending protocols for stablecoin based pools and LSTs for ETH based pools to minimize friction and maximize security.

All underlying strategies are transparent and visible on the UI at any time.

{% hint style="info" %}
\*Current APY of Vaults ranges from 11% to 15%, and can vary depending on market conditions.
{% endhint %}

<figure><img src="/files/ngf1jahfYbo5nSLfAxeX" alt=""><figcaption><p>The PERQolation of yield.</p></figcaption></figure>


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