All About Blockchain Technology
                     ALL ABOUT BLOCKCHAIN 
TECHNOLOGY
Introduction
 Blockchain technology is a growing list of 
records that are called blocks which are linked 
using cryptography. 
Every next block contains a cryptographic hash 
of the previous block.
History
Blockchain was invented by 
Satoshi Nakamoto whose 
identity is unknown.
It is invented in the year 
2008.
Blockchain purpose was to 
serve as the public 
transaction ledger of the 
bitcoin (cryptocurrency)
BLOCKCHAIN
Blockchain technology was 
primarily developed for 
bitcoin to make it the first 
digital currency.
Blockchain technology was 
meant to solve the double-
spending problem for bitcoin 
without the excess need of a 
trusted authority or central 
server.
STRUCTURE
A blockchain is a ledger that is decentralized, 
distributed and most important public digital 
ledger.
 It records transactions across many computers.
Therefore to alter involved records an alteration 
of all subsequent blocks is required.
STRUCTURE
Use of blockchain technology
It can be integrated into multiple areas. 
Blockchain technology was primarily developed 
for bitcoin to make it the first digital currency. 
Use as a distributed ledger.
Use in business structure.
1. Cryptocurrencies
Blockchain technology is 
used in most of the 
cryptocurrencies to record 
transactions.
Ex. Bitcoin network and 
Ethereum network crypto-
currencies.
Facebook is planning to 
launch its cryptocurrency 
called Libra.
2. Smart contracts
Smart contracts could be 
partially or fully executed 
without human interaction.
Blockchain technology-
based smart contracts might 
reduce moral hazards.
Use of blockchain technology in 
other Area
1. Video games
2. Financial services
3. Supply chain
4. Insurance industries
5. Tracking digital use and payments