WEBVTT

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As we wrap up this lesson on the basics of blockchain technology, it's important to consolidate

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our learning.

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Let's revisit the key concepts we've covered, ensuring that the fundamentals of blockchain

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are clearly understood.

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Blockchain Basics blockchain is a unique type of database that stores data in blocks.

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These blocks are linked together, forming a chain, which is why it's called a blockchain.

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Key features of blockchain.

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It's decentralized, meaning the data isn't stored in one single place, but across a network

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of computers.

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This structure makes blockchain very secure and transparent.

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Decentralization and security.

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By distributing data across multiple locations, blockchain enhances both security and transparency.

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Every transaction on the blockchain is visible to anyone with access, and it uses cryptographic

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methods for security.

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Blockchain transactions.

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Transactions are grouped together in a block.

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Once a block is full, it's sealed and linked to the previous block, creating a chronological

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chain.

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Consensus Protocol Blockchain uses consensus mechanisms like proof

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of work or proof of stake.

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These protocols ensure all participants agree on the state of the ledger, further enhancing

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security.

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Keep exploring and thinking about how blockchain can be used in various fields from finance

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to healthcare.

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This knowledge will be crucial as we move further into a digitally interconnected world.