# Whitelist

Most proposals are limited to whitelisted addresses.

### MOOV2 Contracts

Most Polymarkets are linked to a **Managed Optimistic Oracle Version 2 (MOOV2)** request. MOOV2 requests are whitelist-only.

<figure><img src="/files/Onv9IKCatxy0XN1qaqkG" alt=""><figcaption></figcaption></figure>

### Which addresses are whitelisted?

The proposer whitelist can be found at the bottom of each MOOV2 request in the [UMA Oracle](https://oracle.uma.xyz/).

<figure><img src="/files/dCMxZbUXH349AARs9LrR" alt=""><figcaption></figcaption></figure>

### Why is there a whitelist?

The MOOV2 proposer whitelist was created to reduce the number of disputes caused by first-time proposers. Read more [here](https://blog.uma.xyz/articles/managed-proposers).

<figure><img src="/files/yZq9NBrxa0GsnNret8Nz" alt=""><figcaption></figcaption></figure>


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