Group 1 - The report titled "Guidelines for Building a Trusted Data Space Based on Blockchain and Blockchain Service Network (BSN) (2025)" was published by the National Information Center, providing comprehensive guidance on the construction of trusted data spaces [1][5] - A trusted data space is defined as an infrastructure for data circulation and utilization based on consensus rules, featuring trusted user identities, trusted data circulation, and trusted revenue mechanisms [1][8] - The construction of trusted data spaces is significant for promoting the circulation of data elements and building a unified national data market, enhancing data supply quality and circulation efficiency [1][29] Group 2 - The construction approach emphasizes principles such as safeguarding rights and openness, focusing on the development positioning of trusted circulation [2][9] - The technical framework includes requirements for trusted control, resource interaction, and value co-creation capabilities, along with overall architecture and technical requirements [2][11] - Various operational models are proposed, including government-led and enterprise-led approaches, involving multiple stakeholders [2][12] Group 3 - The report outlines typical application cases and implementation paths, highlighting successful examples in different sectors such as cities, enterprises, and cross-border data spaces [2][11] - The implementation path includes strengthening policy guidance, establishing a digital foundation, and creating a standard system to promote the development of trusted data spaces [2][12] - The trusted data space can be applied across various fields, including enterprises, industries, cities, individuals, and cross-border scenarios, enhancing data collaboration and driving industry upgrades [1][33]