# Protocol Contracts

<table data-card-size="large" data-view="cards"><thead><tr><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td align="center"><strong>Core (AMM + Math)</strong></td><td><a href="protocol-contracts/core">core</a></td></tr><tr><td align="center"><strong>Yield Contracts (BT + CT)</strong></td><td><a href="protocol-contracts/yield-contracts">yield-contracts</a></td></tr><tr><td align="center"><strong>Router (Action Facets)</strong></td><td><a href="protocol-contracts/router">router</a></td></tr><tr><td align="center"><strong>Lending Markets</strong></td><td><a href="protocol-contracts/lending">lending</a></td></tr><tr><td align="center"><strong>Liquidity Injector</strong></td><td><a href="protocol-contracts/liquidity-injector">liquidity-injector</a></td></tr><tr><td align="center"><strong>Rehypothecation Module</strong></td><td><a href="protocol-contracts/rehypothecation-module">rehypothecation-module</a></td></tr></tbody></table>