What do you understand by blockchain?

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Tell us the principle behind blockchain technology and how many types of it are available?

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What do you understand by turn block in blockchain?

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How blockchain ledger is differentiated from the normal ledger?

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How blockchain is used for bitcoin?

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What is a ledger and what kind of ledger is blockchain?

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What do you understand by double spending?

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Why do we need decentralized systems? Benefits of blockchain technology?

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What is blockchain?

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What is a nonce in a blockchain?

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What is a hash on the blockchain?

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What are the benefits of the distributed ledger?

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What are confirmations on the blockchain?

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Explain about public blockchains?

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Why do we need decentralized systems?

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