This is a professional application for managing cryptocurrency transaction records, supporting complete investment tracking for mainstream digital currencies such as Bitcoin, Ethereum, and Dogecoin. The application offers an intuitive function for editing transaction records, real-time visual trend charts, and secure local data storage. Users can meticulously record key information such as buying and selling, price and quantity, and transaction fees for each transaction, and by analyzing the intelligent charts, they can grasp the performance of their investment portfolio and asset allocation. All data is encrypted and saved locally on the device to ensure privacy and security. It is an ideal portable accounting and analysis tool for cryptocurrency investors.