tldr - powered by Generative AI

• Unauthorized access or theft of cryptographic keys may lead to total loss of data
• Improper key management and access control, unintended forks and chain split attacks are concerns
• API integration with third parties leads to trust issues
• Blockchain can provide security for smart systems and achieve trusted data storage and execution of smart contracts
• Security and privacy are significant challenges in cyber physical systems
• Heterogeneity in device resources, multiple attack services, lack of control over data sharing, and poor implementation of security and privacy mechanisms are challenges
• Audit facilities and updating software and hardware are important
• Ransomware attacks are a major threat to cyber physical systems