What is Block Chain

1.

A digitized, decentralized, public ledger of all cryptocurrency transactions. Learn more in: Developing the Social, Political, Economic, and Criminological Awareness of Cybersecurity Experts: A Proposal and Discussion of Non-Technical Topics for Inclusion in Cybersecurity Education

2.

A block chain is a perfect place to store value, identities, agreements, property rights, credentials, etc. Once you put something like a Bit coin into it, it will stay there forever. It is decentralized, disinter mediated, cheap, and censorship-resistant. Learn more in: The Role of Artificial Intelligence in Cyber Security

3.

The block chain mechanisms perform registration and authentication of all IoT devices and IoT system operations performed. Learn more in: Enabling Technologies for IoT: Issues, Challenges, and Opportunities

4.

A public record of all bitcoin transactions mined since the beginning of bitcoin cryptocurrency. Learn more in: Has Bitcoin Achieved the Characteristics of Money?