# Receive Crypto Workflow

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{% hint style="warning" %}

**Fund Monitoring Service**

1. The primary responsibility is to monitor the incoming fund flow to the specified wallet and notify the gateway about the deposit to the relevant wallet.
2. This service can be provided by the project team, Polyflow, or any third party.

**Aggregation Trigger**

1. The wallet aggregation method is an on-chain function that helps aggregate all funds pending aggregation in the wallet and notifies the minting of pfToken.
2. This method can be triggered by any on-chain address.
3. There will be an incentive for aggregating a portion of the funds.
   {% endhint %}

## **Wallet distribution**

2-1. The customer arrives at the integrated merchant of A Gateway to select products and prepare for checkout.

2-2. The merchant requests A Gateway to allocate a dedicated payment wallet for the order.

2-3. The merchant allocates Wallet X from the pre-created wallets to the merchant.

2-4. The customer makes a transfer payment to Wallet X.

## **Fund Monitoring**&#x20;

3-1. A third party or A project's own fund monitoring backend monitors the incoming transactions to Wallet X.&#x20;

3-2. Notify A Gateway.

## **pfToken Minting**

4-1. Any address can call the aggregation method of the wallet address, which by default aggregates all available amounts.

4-2. Wallet X will transfer USDT in the wallet to the core contract.

4-3. The PLP contract will mint pfUSDT based on the aggregated amount and give it to the wallet owner (A Gateway).


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