Hashing

• https://www.youtube.com/watch?v=Wba_ZvpaJkk

• https://www.investopedia.com/terms/h/hash.asp

• https://www.bitpanda.com/academy/en/lessons/what-is-a-hash-function-in-a-blockchain-transaction/

• https://blockgeeks.com/guides/what-is-hashing/ ***