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CBSA – BTA Certified Blockchain Solution Architect

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Showing 13–15 of 15 questions

Question 13

In common blockchain design, what is one common method to “chain” blocks of data together in order?

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    Store the hash of the previous block within the current block
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    Having the genesis node store an ordered, mutable array of block hashes
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    Writing each block into a separate file on the hard disk of the node
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    Assigning an order number to each block so they can be sorted when requested
Question 14

Which technical feature of blockchain best promotes the notion of a blockchain being “censorship resistant”?

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    An immutable ledger of transactions
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    Permissions-based transactions
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    Smart Contracts/transactional code that is executed “on chain”
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    Consensus systems through Proof of Work and Proof of Stake
Question 15

When writing and considering push and pull in a smart contract that involves "user" funds would it be better to ____________________?

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    Withdraw funds rather than pull funds to them automatically

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    Withdraw funds rather than push funds to them automatically
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    Pull funds rather than push funds to them automatically
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    Push funds rather than pull funds to them automatically