Chapter. 1. Cryptocurrency wallets: assessment and security -- Chapter. 2. Cyber-Physical Systems Security: Analysis, Opportunities, Challenges, and Future Prospects -- Chapter. 3. Cybersecurity-based Blockchain for Cyber-physical Systems: Challenges and Applications -- Chapter. 4. Trust Management in Cyber-Physical System: Issues and Challenges -- Chapter. 5. Blockchain-Based Authentication in IoT Environments: A Survey -- Chapter. 6. Blockchain Technology-Based Smart Cities: A Privacy-Preservation Review -- Chapter. 7. Security in Electronic Health Records System: Blockchain-Based Framework to Protect Data Integrity -- Chapter. 8. A Secure Data-sharing Framework Based on Blockchain: Teleconsultation Use-case -- Chapter. 9. Reputation-Based Consensus on a Secure Blockchain Network -- Chapter. 10. AI and Blockchain for cybersecurity in Cyber- Physical Systems: Challenges and Future Research Agenda -- Chapter. 11. Assessing the Predictability of Bitcoin Using AI and Statistical Models -- Chapter. 12. Blockchain-based novel solution for Online fraud prevention and detection -- Chapter. 13. Proactive AI Enhanced Consensus Algorithm with Fraud Detection in Blockchain.