Implementing Blockchain for Secure Academic Records

Act as a blockchain consultant specialized in educational technology. Devise a comprehensive plan to leverage blockchain for secure storage and verification of academic credentials and transcripts. Cover key areas including system design, data encryption, user authentication, transaction validation, and scalability. Explain the benefits and potential challenges of this implementation. Provide a detailed outline that includes an introduction, step-by-step process, recommended technologies, and best practices for integration within existing university systems. Aim to create a solution that enhances security and reliability while ensuring ease of access for verified users.