Generally speaking, the reserve fund refers to the customer reserve fund of the payment institution, and the customer reserve fund generated by the third-party payment institution during the transaction will be uniformly deposited in the designated account and shall not be misappropriated under the supervision of the central bank. Express payment is a third-party payment institution, which belongs to the Express Payment Information Department.

Deposit of reserve funds:

Two banks

The storage and management of reserve funds need special banks, which are called reserve banks. Officially, reserve gold and silver bank refers to a domestic banking financial institution that has signed an agreement with a payment institution to provide customer's reserve deposit service. According to different responsibilities, they are divided into two categories:

Depository bank: refers to the reserve bank that can handle the inter-bank payment of customer reserve funds for payment institutions, and is responsible for collecting, checking and supervising the information of customer reserve funds deposited by payment institutions in each reserve bank.

Cooperative bank: refers to a bank that can collect and withdraw customer reserve funds for payment institutions, and is responsible for supervising the customer reserve funds deposited by payment institutions in banks.