Blockchain usage

Question

Do you have a good reference (other than Wikipedia) to learn about Blockchain? What usage, other than e-currency, can you think for this methode?

Answer 1

Here are some resources:
https://medium.com/@a2lyabhat/top-5-free-online-blockchain-course-to-break-into-the-industry-today-2a96d1592322
https://digitaldefynd.com/best-blockchain-courses-training-and-certifications-online/

Answer 2

For me blockchain now is something like enigma machine in 30. XX century. Therefore, it maybe could be used to store sensitive records, that could not be otherwise sufficiently protected.

Answer 3

@Igor Makarsky thanks. Have you done any of this courses?