# What is Polygon Nightfall?

**Polygon Nightfall is a Privacy-Focused Rollup for Enterprises.**

&#x20;**I**t is hybrid Optimistic-ZK rollup. It uses an Optimistic Rollup to reduce transaction fees and zero knowledge proofs for privacy.

{% embed url="<https://youtu.be/Px_6LHj0tpM>" %}
Short 1m video about Polygon Nightfall. Check it yo.
{% endembed %}

{% embed url="<https://polygon.technology/solutions/polygon-nightfall/>" %}
Link to Polygon Nightfall Website.
{% endembed %}

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