When registering a new fund information, Smart Contract based on the Ethereum user account of the asset management company is being used to create a new Smart Contract (CA, Contract Account) and register it in the Ethereum network. At this time, the fund name, the fund type, the evaluation grade, the base price, the scale of the fund, the total commission, the management company, the information of fund managers, various reports (investment manual, investment protocol, management report, asset management report, and etc.), fund redemption method, fees, and etc. are registered in the Ethereum network, and the owner of the Smart Contract Address of the fund becomes the asset management company who created the fund.