What Role Does Blockchain Play in Enhancing Data Security?

Data security is a significant concern in epidemiology, especially when dealing with sensitive health information. Blockchain uses cryptographic techniques to protect data, making it highly secure. Each block in the chain contains a cryptographic hash of the previous block, a timestamp, and transaction data, ensuring that once data is recorded, it cannot be modified retroactively. This level of security can prevent unauthorized access and data breaches, safeguarding patient privacy.