# Validation Phase

**KEY POINTS:**

* The validation phase begins at the time and date set by the market creator in market configuration 
* The validation phase closes after 24 hours (or before, if sufficient FORE has been voted on the outcome) 
* In order to verify a market, users must hold an Analyst NFT (these can either be minted or bought on FORE’s NFT Marketplace) 
* Once a user votes their NFT on this market, it will be held in a smart contract until market resolution 
* The amount of rewards paid out to each Analyst is proportional to their vote in the market (dependent on the locked FORE in their respective NFTs)

Markets are open to the validation [phase](broken://pages/GXxTk9OEcJGHWJ3znKXC) after the verification datetime specified by the market creator. The market must be valid in order to be verified (each side of the market must have a non-zero size).

In order for a user to verify the outcome of a market, the user must hold or mint an [Analyst NFT](/documentation/protocol/protocol-roles/analysts/analyst-nft-vnft.md). At the time of validation, the vNFT is sent to the market contract address and vNFT will be locked until the reward phase. Analysts are rewarded in proportion to the power provided within their respective vNFTs.

The power of full-side verification is determined by the value of the size of the opposite side of the predictions.

{% hint style="info" %}
If the size of the prediction side A is n(tokens), the size of the full verification side B will be n(power).
{% endhint %}

<figure><img src="/files/72U2Y0Ooq7qwmdIjGL3Q" alt=""><figcaption><p>Verification size is described by opposite side of the predictions</p></figcaption></figure>

The user's verification power is determined by the value of the vNFT power and is limited by the value of the missing power for the side.

{% hint style="info" %}
If the user has vNFT power of 3000, and the missing power for the side is 1000 the verification force will be 1000.
{% endhint %}


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