# Ecosystem Participants

## **Payment-realated Projects**

* Those projects are the direct user of our protocol. It integrates our protocol to implement crypto payment collection and other related services.
* Those projects incur transaction fees during the usage process.
* Those projects receive the pfToken minted by the protocol.
* Those projects must be PID holders and meet certain other PID validation requirements.
* Those projects need to pre-create their own wallet address in the PLP system.

## **Merchant**

* The merchant is the direct user of the gateway. They use the gateway to accept crypto payments.
* The merchant has their own account and fund account within the gateway.
* The merchant can withdraw their funds from the gateway.
* The merchant uses the wallet addresses allocated by the gateway to receive crypto payments.

## **Customer**

* The customer is the direct user of the merchant.
* The customer is the source of requests for wallet address allocation from the gateway.
* The customer’s identity verification needs to be completed by the merchant.

## **Web3 User**

* Web3 users can participate in liquid staking to provide liquidity for the fast redemption of pfUSDT and enjoy a share of transaction fees and platform revenue.
* Ordinary users can perform a fast exchange between pfUSDT and USDT through the liquid staking pool.
* Ordinary users can stake Polyflow Governance Tokens to earn platform revenue.