The smart city is a technological transformation solution that alleviates numerous challenges related to modern city development. It is a wide concept and mainly focuses on improving urban lifestyles by deploying various information and communication technologies to monitor the high-density environment.
The fundamental activities of smart cities are,
• Situational awareness sharing
• Communication
• Intelligence
Smart city applications alert humans by continuously monitoring the activities of smart appliances and forwarding the data through communication technologies. The heterogeneous nature and resource-limited devices in smart city environments are vulnerable to several types of attacks. Maintaining a secure smart city infrastructure is crucial to protect humans from hazardous situations.
A proliferated technology blockchain has the ability to improve the efficiency of smart cities, especially in the security aspect. Some blockchain security for smart cities:
• Protect the private information of citizens
• Secure e-voting systems
• Secure notary services
• Secure fast and real-time transactions
• Secure digital identification
The challenges of adopting blockchain security in smart cities are,
• Legislation
• Privacy maintenance
• Blockchain model acceptance
• Accomplishing robust blockchain architecture
Research Topics