# 🔍Mathematical Model

**Guide**:

**Proportional Allocation Model:**

#### Refund Model:

**Final KOI Model:**

The Proportional Allocation Model (PAM) ensures a proportional distribution of the BRC20 tokens among users based on their individual commitments relative to the total commitment.

In the case of oversubscription, where the total commitment exceeds the fundraising goal, the allocation is capped at the minimum of the total commitment and the goal. Additionally, users receive a refund proportional to their commitment beyond the fundraising goal, with the overall goal of maintaining fairness and proportionality in the distribution of tokens and refunds among participating users.

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