Securing Healthcare IoT Data Using Multiple Blockchains at Fog and Cloud Layer

This paper proposes the use of blockchain at the fog and cloud layers to secure data generated from healthcare IoT. It addresses the challenges of storing healthcare data online, the benefits of IoT in healthcare, and the varying data protection standards across countries. The paper examines current solutions for complying with data protection protocols and the potential effects on patients in case of breaches. It concludes by highlighting the advantages of using blockchain technology to prevent unauthorized access, data tampering, and ensure the privacy and integrity of patient information.