Blockchain Primer: https://blockgeeks.com/guides/what-is-blockchain-technology/
Cryptocurrency Primer: https://medium.com/datum-guy/cryptocurrency-primer-part-1-the-actual-five-reasons-why-bitcoin-was-invented-2f0e2ef9fe3
Shared control of data: https://bitsonblocks.net/2017/01/09/distributed-ledgers-shared-control-not-shared-data/
Hash functions:
Mining : https://blockgeeks.com/guides/proof-of-work-vs-proof-of-stake/
Top 5 Blockchain use-cases out of Singapore : https://www.youtube.com/watch?v=N4Pj6KuJVHU
Blockchains and identity control : https:// www.youtube.com / watch?v =H69l_trRArU