Nice chain is a secure IoT lightweight operating system based on blockchain distributed decentralization. After fully considering the characteristics of the Internet of Things technology and the needs of commercial ecosystem construction, NEC has conducted in-depth optimization of existing blockchain technologies in areas such as digital asset issuance, encryption algorithms, smart contracts, market-oriented consensus incentives, decentralized DApps (Distributed Applications), and rapid access to new businesses, to achieve seamless integration of the underlying blockchain and the Internet of Things application ecosystem, in order to ensure the healthy, rapid, and sustainable development of NEC's business ecosystem, To achieve the symbiosis and prosperity of currency, chain, and industrial IoT, create a blockchain ecosystem of trustworthy IoT digital assets, efficiently achieve the circulation and value transformation of credit digital assets, and create a global benchmark for the integration of IoT and blockchain ecology....