JVB is a smart city cloud service platform based on blockchain technology. Through the integration of blockchain and artificial intelligence products, users can receive corresponding contribution rewards after purchasing intelligent products. The platform covers multiple high-quality content segments, including public welfare live streaming, public welfare rewards, public welfare online stores, specialty shopping malls, cultural education, and targeted poverty alleviation. JVB will use the aggregated business model of short videos, live streaming, and new entity empowerment to create a new comprehensive ecosystem of smart cities.JVB is the core product of the Smart Chain Walk platform. As a token for online and offline circulation and trading, it can be exchanged for products from the platform's shopping mall. Participating in the platform to watch and disseminate public welfare videos and help public welfare receive dividends, allowing more people to pay attention to and participate in public welfare, making our fragmented time more valuable, and also harvesting wealth. The only way to produce smart fruits is through "watch, like". Based on the blockchain model, no one can illegally obtain smart fruits through any means, including the platform itself....