> ## Documentation Index
> Fetch the complete documentation index at: https://docs-payment-merchant.keysecure.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Merchant Coin Management

## I. Feature Overview

Manage the range of digital assets supported by the business, and define deposit, withdrawal, and spending behaviors for each token.

## II. Operation Instructions

On this page, merchants can complete the following configuration operations:

### Enable/Disable token functions

Merchants can choose whether to support deposits and withdrawals for a specific token. Once enabled, end users can deposit using that token or request withdrawals from their account balance.

### Token parameter settings

For each enabled token, the system allows configuration of the following parameters to meet operational and risk-control requirements:

**Minimum deposit amount:** Set the minimum deposit amount allowed in the system to prevent invalid small deposits.

**Minimum withdrawal amount:** Set the minimum amount limit for withdrawals to avoid frequent small withdrawals and reduce on-chain costs.

**Withdrawal fee:** The fee charged and deducted for each user withdrawal.

### Payment Priority Management

When an end user initiates a card payment, the system attempts to deduct funds sequentially based on the configured priority, prioritizing higher-ranked tokens to complete the payment.