According to BlockBeats, d.id, Bank of China and several top companies jointly created an artificial intelligence experience area - Smart City (dscity) at the 6th China International Import Expo, and launched an innovative "Smart City Resident Card". d.id uses DID technology to provide exhibitors with a new digital lifestyle. By collecting badges at booths of many well-known companies such as Sony, bilibili and Intel, participants can obtain a unique ".dscity" Smart City Resident Card and start a new experience of smart city life. During the exhibition, the d.id team introduced the functions and highlights of the Smart City Resident Card in detail to Zhang Xiaodong, Vice President of Bank of China, and Wang Junshou, Director of the Shanghai Regulatory Bureau of the State Financial Supervision and Administration Bureau.