BLOCKCHAIN TECHNOLOGY BY prem who created for a presentation

Blockchain is a decentralized, distributed, immutable, and transparent digital ledger that records transactions across a network of computers (nodes) in a secure, chronological chain of blocks. Each block contains a bundle of verified transactions, linked to the previous block via a cryptographic hash, creating a tamper-proof history. This technology eliminates the need for central authorities by relying on consensus mechanisms and peer-to-peer (P2P) networks to validate transactions, ensuring data integrity and enabling trustless digital exchanges across various industries, from finance and supply chains to healthcare and real estate.

How Blockchain Works
Transaction Initiation: When a transaction occurs, data is bundled into a block.
Verification: Nodes on the network validate the transaction data using consensus mechanisms, ensuring agreement on the transaction's legitimacy.
Block Creation: Once verified, the block is added to the existing chain.
Cryptographic Linkage: Each new block contains a cryptographic hash of the previous block, along with its own unique hash, linking them together in a secure, chronological order.
Decentralized Distribution: This chain of blocks is then distributed and synchronized across the entire peer-to-peer network of nodes.
Immutability: Because each block's hash depends on the previous one, any attempt to alter data in a past block would change its hash, which would break the link to subsequent blocks, making the tampering immediately obvious.
Key Characteristics
Decentralization:
Control is distributed across the network, removing single points of failure and control.
Distribution:
The ledger is shared across many computers (nodes), making it difficult to manipulate or destroy.
Immutability:
Once data is recorded in a block and added to the chain, it becomes extremely difficult to alter or delete.
Transparency:
All participants on the network can view the same, shared ledger, providing transparency into transactions.
Security:
Cryptographic hashing and consensus mechanisms secure the data against unauthorized access and manipulation.
Applications of Blockchain
Cryptocurrencies:
Blockchain was first used to create decentralized digital currencies like Bitcoin.
Smart Contracts:
Self-executing contracts with the terms of the agreement directly written into code, automating processes such as payments and settlements.
Supply Chain Management:
Tracking goods from origin to destination with verifiable, transparent records, reducing fraud.
Healthcare:
Securing and sharing patient records with controlled access, improving data management and accessibility.
Real Estate:
Creating immutable records of property ownership, streamlining transactions and reducing disputes.
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1. WELCOME

2. BLOCKCHAIN TECHNOLOGY PRESENTED BY PREMRAJ

3. AGENDA: INTRODUCTION TO BLOCKCHAIN BLOCKCHAIN TECHNOLOGY WORKS DIFFERENT VERSION OF BLOCKCHAIN KEY FEATURES OF BLOCKCHAIN BENEFITS OF BLOCKCHAIN CRYPTOCURRENCY CONCLUSION

4. INTRODUCTION TO BLOCKCHAIN : The blockchain is a distributed database of records of all transactions   Bitcoin is the most popular cryptocurrency Blockchain is the backbone Technology of the Digital CryptoCurrency BitCoin Blockchain Technology Records Transaction in Digital Ledger

5. HISTORY OF BLOCKCHAIN :

6. BLOCKCHAIN TECHNOLOGY WORKS : One of the famous use of Blockchain is Bitcoin Bitcoin is a cryptocurrency and is used to exchange digital assets online Each transaction protects through a digital signature . 

7. Different Version of BlockChain :   

8. Key Features : Decentralization : Decentralization reduces the risk of single points of failure. Transparency : A nyone can verify the authenticity of the data. Immutability : P rotects against fraud and ensures data integrity. Security : Each block contains a unique hash of the previous block Consensus Mechanisms : This ensures that all participants in the network have a consistent view of the ledge

9. Benefits of Blockchain Technology Greater Control and Ownership Increased Efficiency Enhanced Security Greater Control and Ownership

10. Cryptocurrency :   can be used to perform transactions only in the digital world cryptocurrency is not a type of currency that can be used in the real world use encryption to verify and protect transactions use decentralized control in contrast to central bank digital currency

11. Conclusion: Supporting elements like cryptography, smart contracts O racles further enhance functionality and interoperability I s potential applications across various industries play a crucial role in shaping the future of digital interactions and transaction

12. THANK YOU