The Ministry of Industry and Information Technology issued a notice to organize the collection of typical application cases of blockchain in 2022. The collection directions include: innovative technologies and products, blockchain + real economy, blockchain + livelihood services, blockchain + smart cities, blockchain + government services. The application cases should comply with the relevant national laws and regulations and relevant industrial policy requirements, have been implemented and achieved results, have a high level of technology, obvious industry or regional characteristics and mature business models, and have strong representativeness, demonstration and innovation It can fully reflect the technical characteristics and applicable scenarios of blockchain, and has strong reference significance and promotion value for related industries or enterprises.