Posts

Showing posts with the label Blockchain

Security with Block Chain Technology:Part 1

Image
Penetration Testing and Security Audit of Block Chain Technology: By- Samrat Das      Block chain overview: Block chain in the simplest of terms can be defined as a chain of the block that contains information. The basic fundamental relies on timestamping digital documents to prevent backdating them or tampering them. Why is block chain used? Block chain is used for the secure transfer of a variety of things including money, property, contracts, etc. but the facility of no third-party intermediary needed like bank or government. The downside or rather advantage being once a data is recorded inside a block chain, it becomes very difficult to change. Protocol Concepts: Block chain is a software protocol which needs the Internet as a medium to run as a meta-technology. It is made up of: database, software and connected computers. Features of block chain: ·          Resilience: Replicated architecture, the advantage of block chain is even in cases of DOS attack