Can anyone explain what is BlockChain in Comp science?? And how it relates to data in comp science?

Question

Blockchain tecnology in Comp Science

Answer 1

https://hackr.io/blog/blockchain-programming-beginners-guide

Answer 2

Blockchain is, in simple terms, an data structure created by linking "blocks" of data that are all linked together. These "blocks" are linked with the data of the previous and the next block's hashes, so that when one "block" is changed, the others are essentially changed as well. This is important for security, since there is a computerized middleman inspecting transactions. For a more programming based tutorial, you should check out the link @voyes has provided.