Research on Intelligent Community Home- Based Elderly Supporting System Based on Blockchain Technology

The Aging of the Population has become a major challenge facing the community of shared future for mankind, and solving the problem of old-age care in the context of population aging has become an unavoidable social problem and a worldwide issue. In view of the problems existing in the model of community home-based elderly supporting in China, combined with the characteristics of decentralization and non-tampering of blockchain technology, the inevitability of the application of blockchain technology in the field of elderly supporting and its specific application form in Intelligent community are analyzed. The Intelligent community home-based elderly supporting system based on blockchain technology realizes” providing for the elderly and enjoying the fun", and provides data support for the development management and service quality monitoring of the industry of elderly supporting. 1 Research background 1.1 Background of population aging People and population are always the core of sustainable development. The trend of the global population development shows four characteristics: population growth, population aging, migration and urbanization. Among them, the population aging has become a major challenge facing the community of shared future for mankind. According to The 2019 Revision of World Population Prospects Report, published by the United Nations, shows that the proportion of the world’s population aged 65 and above to the total population is 9%, that is, one in every 11 people is aged 65 and over, and it is expected that the proportion will reach 15.9% in 2050, that is, one in every six people will be aged 65 and over. As early as 1999, China has stepped into the ranks of aging countries, and has been showing a rapid growth trend. According to the data of The Statistical Bulletin of National Economic and Social Development of the people's Republic of China in 2019, the proportion of people aged 65 and above to the total population is 12.6%, which is 3.6% higher than the world average in the same period. The population aging of China shows five characteristics: the number of elderly people is the largest in the world, the development speed of aging is amazing, the population grows old before getting rich, the