Digital MRV (Measurement, Reporting, and Verification) refers to the use of digital technologies to enhance the accuracy, transparency, and efficiency of environmental data collection and management, particularly in climate and sustainability initiatives. It involves deploying tools such as remote sensing, IoT sensors, blockchain, and AI to automate and streamline the processes of measuring emissions or environmental impacts, reporting this data to stakeholders, and verifying its authenticity and compliance with regulations or standards. The technical architecture of digital MRV typically consists of interconnected layers: data acquisition (sensors, satellites, and other monitoring devices), data transmission (secure communication networks), data storage (cloud platforms or decentralized ledgers), data processing and analytics (machine learning algorithms and data validation), and user interfaces (dashboards and reporting tools). This architecture ensures end-to-end data integrity, real-time monitoring, and scalability across diverse environmental contexts. By leveraging digital MRV systems, organizations and regulators can improve decision-making, foster trust through transparent verification, and accelerate climate action by providing reliable, timely data to support policy and market mechanisms such as carbon trading or emissions reduction commitments.