The COVID-19 pandemic exposed critical vulnerabilities in global healthcare systems, particularly in data security and interoperability. This paper introduces the blockHealthSecure Framework, which integrates blockchain technology with advanced cybersecurity measures to address these weaknesses and build resilient post-pandemic healthcare systems. Blockchain’s decentralized and immutable architecture enhances the accuracy, transparency, and protection of electronic medical records (EMRs) and sensitive healthcare data. Additionally, it facilitates seamless and secure data sharing among healthcare providers, addressing long-standing interoperability challenges. This study explores the challenges and benefits of blockchain integration in healthcare, with a focus on regulatory and ethical considerations such as HIPAA and GDPR compliance. Key contributions include detailed case studies and examples that demonstrate blockchain’s ability to mitigate risks like ransomware, insider threats, and data breaches. This framework’s design leverages smart contracts, cryptographic hashing, and zero-trust architecture to ensure secure data management and proactive threat mitigation. The findings emphasize the framework’s potential to enhance data security, improve system adaptability, and support regulatory compliance in the face of evolving healthcare challenges. By bridging existing gaps in healthcare cybersecurity, the blockHealthSecure Framework offers a scalable, future-proof solution for safeguarding health outcomes and preparing for global health crises.

Blockchain technology has emerged as a disruptive force with transformative potential across various industries, and its application in the realm of smart homes and businesses is gaining considerable attention. In the context of smart homes, blockchain facilitates secure and decentralized management of Internet of Things (IoT) devices. Through decentralized ledgers, homeowners can establish trust in device interactions, ensuring data integrity and preventing unauthorized access. Smart contracts, a key feature of blockchain, enable automated and transparent execution of predefined actions based on predetermined conditions, thereby streamlining processes such as energy management, access control, and home automation. For smart businesses, blockchain technology provides a foundation for transparent and tamper-proof record-keeping. Supply chain management is revolutionized as blockchain ensures end-to-end visibility, traceability, and authenticity of products. This has significant implications for industries where provenance and quality assurance are paramount, such as food and pharmaceuticals. Additionally, blockchain fosters new business models, enabling decentralized energy grids, peer-to-peer transactions, and autonomous organizations. This decentralization reduces reliance on intermediaries, lowers costs, and enhances the overall resilience of business operations. In conclusion, the adoption of blockchain technology in smart homes and businesses holds immense promise for creating more secure, efficient, and transparent ecosystems. As the technology continues to mature, it is anticipated that blockchain will play a pivotal role in shaping the future of smart living and business operations. <!----> <!----> <!----> <!---->

Blockchain is referred to as distributed record-keeping technology which makes digital assets unalterable and transparent using a decentralized network and cryptographic hash technology. Blockchain stores data records in blocks linked to the form chain. Cybersecurity refers to every aspect of the protection of cyber data related to any field from any attack. The data secure mechanism of encrypting data using blockchain makes the security system secure. Blockchain technology is more secure than other networks but they consider secure communication, key management, and code security to be secure. Blockchain underlying features of decentralization consensus mechanism and traceability provide a secure foundation for cybersecurity. Security plays a vital role in every sector. So, we focus on providing security by implementing blockchain technology. As security standards are developed and accepted, they must provide security opportunities for blockchain technology. <!----> <!----> <!----> <!---->

The rise of multimodal generative AI has revolutionized creative industries by enabling the production of high-quality text, images, audio, and video. However, this innovation has also introduced critical challenges, including content authenticity concerns, the proliferation of deepfakes, intellectual property disputes, and unethical manipulation of media. Addressing these issues requires a robust and scalable solution. This chapter introduces a blockchain-driven framework that integrates the strengths of blockchain's decentralized and immutable architecture with the creative potential of generative AI. It ensures verifiable content creation by embedding proof of originality into digital assets, facilitates transparent ownership through tokenization, and automates secure licensing and fair revenue sharing via smart contracts. By exploring the theoretical foundation, technical architecture, and practical applications of blockAuth, it presents a transformative solution to foster trust, transparency, and equity in the digital media ecosystem.

AI-powered fact-checking systems, secured by blockchain technology, represent a transformative approach to combating misinformation in the digital age. Leveraging advanced artificial intelligence (AI) algorithms, particularly natural language processing (NLP), these systems efficiently analyze vast datasets to verify claims in real time. The integration of blockchain ensures data immutability, transparency, and security, enhancing trust in the fact-checking process. This convergence addresses the limitations of traditional fact-checking methods, which often fail to keep pace with the rapid spread of false information. By enabling real-time claim verification, monitoring live events, and predicting misinformation trends, AI-powered systems provide a critical tool for journalists and content creators to combat disinformation effectively. Blockchain further reinforces the integrity of the verification process by maintaining tamper-proof audit trails, fostering accountability, and ensuring the delivery of trustworthy information.