# Polygon CDK

<table data-card-size="large" data-view="cards" data-full-width="true"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td>Polygon Chain Development Kit (CDK) is a modular, open source software toolkit allowing blockchain developers to launch new zero-knowledge proof (zkEVM plus optional validium) L2 chains on Ethereum.</td><td></td><td></td><td></td></tr><tr><td></td><td></td><td><a href="/files/KMB022aT2OW7j65GGpbS">/files/KMB022aT2OW7j65GGpbS</a></td><td></td></tr><tr><td><strong>Polygon Type 1 Prover</strong></td><td><p></p><p>Find out about the Polygon Type 1 Prover component.</p></td><td></td><td><a href="https://docs.polygon.technology/cdk/architecture/type-1-prover/intro-t1-prover">https://docs.polygon.technology/cdk/architecture/type-1-prover/intro-t1-prover</a></td></tr><tr><td><strong>CDK rollups</strong></td><td><p></p><p>Get started with the CDK zkRollup stack.</p></td><td></td><td><a href="https://docs.polygon.technology/cdk/get-started/quickstart-rollup">https://docs.polygon.technology/cdk/get-started/quickstart-rollup</a></td></tr><tr><td>CDK validiums</td><td><p></p><p>Get started with the CDK validium stack.</p></td><td></td><td><a href="https://docs.polygon.technology/cdk/get-started/quickstart-validium">https://docs.polygon.technology/cdk/get-started/quickstart-validium</a></td></tr><tr><td><strong>Rollup versus validium</strong></td><td><p></p><p>Discover the key differences between the rollup and validium infrastructure options.</p></td><td></td><td><a href="https://docs.polygon.technology/cdk/spec/validium-vs-rollup">https://docs.polygon.technology/cdk/spec/validium-vs-rollup</a></td></tr></tbody></table>


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