What is blockchain in simple words
Contrary to the popular fallacy, the Blockchain is not a new concept that has become the hot
passion of the day in the form of cryptocurrency. The very first time blockchain was used, dates
back to 1982 when a cryptographer ( David Chaum), first proposed a blockchain-like protocol in
his dissertation “Computer Systems Established, Maintained, and Trusted by Mutually
Suspicious Groups”. More works on blockchain were described in 1991 by Stuart Haber
and W. Scott Stornetta. However, none of these efforts were related to monetary or
financial systems, rather, they were the kinds of efforts that would not allow the document
timestamps to be manipulated or damaged by a third party and this was made possible by
the means of Blockchain protocols.
In 2008, for the first time, an anonymous group or a person called Satoshi
Nakamoto proposed a hash-cash-like method to timestamp blocks without requiring a
third party to sign them and introduced a new parameter called difficulty whic...