This is a professional application for managing cryptocurrency transaction records, supporting complete investment tracking of major digital currencies such as Bitcoin, Ethereum, and Dogecoin. The application offers intuitive features for editing transaction records, real-time visualization of trend charts, and secure local data storage. Users can meticulously record key information for each transaction, including buy/sell details, price and quantity, transaction fees, and analyze intelligent charts to understand the performance of their portfolio and asset allocation. All data is encrypted and stored locally on the device to ensure privacy and security. It is an ideal portable accounting and analysis tool for cryptocurrency investors.