In what order are the blocks linked in the blockchain?

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Where is a blockchain stored?

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What is cryptocurrency?

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What is double spending? Is it possible to double spend in a blockchain system?

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What are the types of records that are present in the blockchain database?

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What are the limitations of blockchain?

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What type of records can be kept in the blockchain? Is there any restriction on the same?

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How does blockchain differ from relational databases?

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Which cryptographic algorithm is used in blockchain?

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What is the difference between proof-of-work and proof-of-stake?

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Can you remove a complete block from a network?

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How does the security of a block works?

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What is the importance of merkle trees in blockchain?

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What is the difference between public and private key?

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What is the difference between bitcoin blockchain and ethereum blockchain?

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