In simple term a (Blockchain) is a method of storing data. Data is stored in blocks which are linked to the previous block.
Use Cases:
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Cryptocurrencies: Primary use as a distributed ledger for digital currencies.
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Business Applications: Promising in various sectors like banking, finance, healthcare, etc.
Key Features:
- Immutability: Ledger entries are permanent and unalterable.
- Distributed: All participants have a copy of the ledger for transparency.
- Decentralized: No central authority controls the network.
- Security: Data integrity ensured through advanced cryptography.
- Consensus: Agreement among participants on valid transactions.
- Faster Settlement: Accelerated trade settlement due to agreed-upon data.
Public vs. Private Blockchains:
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Public: Open, transparent, and decentralized (e.g., Bitcoin, Ethereum).
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Private: Restricted access controlled by a single entity (e.g., for enterprise use).
Blockchain Challenges:
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Scalability: Efficiently handling large transaction volumes.
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Interoperability: Ensuring communication between different blockchains.
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Security: Protecting against attacks and vulnerabilities.
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