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1. SEMINAR TOPIC ON BLOCKCHAIN
TECHNOLOGY.
SUBMITTED BY –ANIMESH KUMAR MATIA
CLASS – BCA 6TH SEM
ROLL NO -2018009
GUIDED BY - Ms.MANSHI PARIDA

3. CONTENTS
 What is Blockchain Technology ?
 What is a block ? Content of a block .
 Types
 How it works ?
 Why block chain technology is more secure ?
 Applications
 Advantages
 Disadvantages
 conclusion

4. WHAT IS BLOCKCHAIN TECHNOLOGY ?
A Block Chain is an open , distributed ledger which is a growing list of records called blocks that’re
linked using cryptography across a peer-to-peer network .

6. WHAT IS BLOCK ? WHAT ARE ITS CONTENTS ?
Block chain starts with a block called “Genesis Block” stores the following
information in it :
 INDEX : Position of the block in the block chain .
 Time Stamp : The time when that particular block was created.
 Hash : Numeric value that uniquely identifies data .
 Previous Hash : Hash value of the previous block .
 Data : Data stored on a node .
 Nonce : It is a number used to find a valid hash .

8. TYPES
Blockchain
Public
blockchain
Private
blockchain
Federated
blockchain

9. HOW IT WORKS ?

10. WHY BLOCK CHAIN IS MORE SECURE
?

11. APPLICATIONS

12. ADVANTAGES
 Zero percentage of fraud
 No government interference
 Instant transaction
 Improved financial efficiency

13. DISADVANTAGES
 Extremely volatile
 Crime
 Problem for not tech savvy

14. CONCLUSION
Block chain has brought a revolutionary change in decentralized
management system . It is disrupting the traditional boundaries of values
.since it is not well known , not a mature thing yet , everyone is trying to
see what can be done with it .

15. REFERENCE
• https://www.redbytes.in
• https://www.google.com
• http://www.youtube.com

16. THANK YOU