Security Services Using Blockchains: A State of the Art Survey

Understand

This article surveys blockchain-based approaches for several security services.

• These services include authentication, confidentiality, privacy, and access control list (ACL), data and resource provenance, and integrity assurance.
• All these services are critical for the current distributed applications, especially due to the large amount of data being processed over the networks and the use of cloud computing.
• Authentication ensures that the user is who he/she claims to be.