economics Financial Technology Digital Economy Exchange rate fluctuations Economic management Business Progress global economy market economy Macroeconomics Microeconomics Data analysis Modeling method Modeling research data mining data warehouse Data driven 3D modeling Point cloud data data processing Proxy modeling Internet economy Big data technology Modeling and prediction Cloud computing platform International Economic and Trade Cloud computing Internet of Things Time series analysis Economic big data mining Economic and industrial development Blockchain security technology Data modeling GIS Cloud computing and blockchain Cloud security and privacy protection Information Economy, Big Data, Finance Information Economy and Enterprise Management E-commerce and Digital Commerce Model fitting and data analysis Data Warehouse and Knowledge Discovery Mathematical Models and Regression Analysis Cloud resource virtualization and combination Cloud solution design pattern Income Equity and Welfare Economics Database management and information retrieval Intelligent computing infrastructure and platforms Social Cloud (Social Networks in the Cloud) The Model and Path of Sustainable Economic Development Innovative database technology and data processing Intelligent computing models and tools, virtualization The Security of Blockchain decision support system The Application of Digital Currency Blockchain trading platform Modeling of Internet of Things Systems Data collection and storage Data Analysis and Control The Application of Blockchain Technology Services of blockchain technology Data Management of Blockchain Transaction Management of Blockchain Blockchain and Economic Management The transaction value of blockchain Wireless Communication Technology and Systems The decentralized model of blockchain Smart Contract Management of Blockchain Design of Blockchain Data Model