639942817-BLOCKCHAIN-TECHNOLOGY-PPT (1).pptx

Seminar

1. Blockchain Technology

2. CONTENTS Introduction to Blockchain Technology Block and Its Structure How Does Blockchain Works Types of Blockchains History and Evolution of Blockchain Advantages of Blockchain Applications of Blockchain Technology Conclusion

3. Introduction to Blockchain Blockchain is a shared, immutable ledger or distributed database that is shared among the nodes of a computer network. It facilitates the process of recording transactions and tracking assets in a business network.

4. Structure of Block 2. Body It includes all the data stored in the block, such as transactions.

5. How Does Blockchain Works? As each transaction occurs, it is recorded as a “block” of data. Those transactions show the movement of an asset.

6. Types of Blockchains: Public Blockchain: Anyone having a computer and internet can participate in the network. In this nobody will have complete control over the network. B. Private Blockchain: Here all the transactions are visible only to persons who are part of the blockchain ecosystem. Making it more secure than the others. There are 4 types of blockchains:

7. C. Hybrid Blockchain: It is the mixed content of the private and public blockchain, where some part is controlled by some organization and other makes are made visible as a public blockchain. D. Consortium Blockchain: A group of organizations governs consortium blockchain networks. Preselected organizations share the responsibility of maintaining the blockchain

8. History and Evolution of Blockchain Blockchain technology has its roots in the late 1970s when a computer scientist named Ralph Merkle patented Hash. In the late 1990s, Stuart Haber and W. Scott Stornetta used Merkle trees to implement a system in which document timestamps could not be tampered

9. Advantages of Blockchain Transparency : Blockchain is decentralized, meaning any network member can verify data recorded into the blockchain. Therefore, the public can trust the network. Improved efficiency: Transparency and smart contracts in blockchain make such business transactions faster and more efficient. Immutability : Blockchain supports immutability, meaning it is impossible to erase or replace recorded data.

10. Applications of Blockchain Money transfers: Money transfers using blockchain can be less expensive and faster than using existing money transfer services.

11. Logistics and supply chain tracking: Using blockchain technology to track items as they move through a logistics or supply chain network can provide several advantages. Cryptocurrency : Perhaps one of the most popular applications of Blockchain is in Cryptocurrency.

12. Conclusion In Conclusion we can say that Blockchain Technology is basically a Distributed database or collection of records. Which is Open Source Technology means its algorithms are openly spreaded into the society. And its all the transactions or blocks are also openly available for all the participants Currently Blockchain is mainly used in Cryptocurrency, Supply Chain Management, Digital Payments, Healthcare systems. It can also be used for Voting Systems because of its security features and can make our elections less costly and efficient.

13. Thank you!

14. A blockchain collects information together in groups, known as blocks, that hold sets of information.

15. Block and its Structure Block is a place in a blockchain where data is stored. These blocks are chained together by adding the previous block's hash to the next block's header. A block consists of the following two main parts : Header A block’s header contains information about the block and miner.

16. # Previous Block Hash This is the hash of the previous block. It chains the blocks together and makes the data in the previous blocks immutable. Hash :- The hash is a fingerprint of this data and locks blocks in order and time.

17. Each block is connected to the ones before and after it. Transactions are blocked together in an irreversible chain: a blockchain

18. In 2008, an anonymous individual or group known only by the name Satoshi Nakamoto outlined blockchain technology in its modern form. A few years after first-generation currencies emerged, developers began to consider blockchain applications beyond cryptocurrency.

19. Traceability : Blockchain creates an irreversible audit trail, allowing easy tracing of changes on the network. Tighter Security : Blockchain uses hashing techniques to store each transaction on a block that is connected to each other so it has tighter security.

20. Real estate: Real estate transactions require a ton of paperwork transfer deeds and titles to new owners. Using blockchain technology to record real estate transactions can provide a more secure and accessible means of verifying and transferring ownership. Voting : If personal identity information is held on a blockchain, that puts us just one step away from also being able to vote using blockchain technology.

21. Name :- Bhise Pavankumar Dattatray Roll No. :- 06 Class :- F.Y CSE