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CBDE – BTA Certified Blockchain Developer - Ethereum

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Showing 7–9 of 10 questions

Question 7

Block Timestamp:

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    the timestamp is based on the time zone of the miner, that is why it changes the difficulty continuously to reflect network latency.

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    the timestamp can't be influenced by a miner and is generally considered safe to be used for randomness on the blockchain.

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    the timestamp can be influenced by a miner to a certain degree but it's always independent from the time-zone.

Question 8

Sending one Ether is actually internally translated:

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    to Wei, so it will send the equivalent of 10^18 Wei.

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    to Finney, so it will send the equivalent of 10^3 Finney.

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    to Szabo, so it will send the equivalent of 10^6 Szabo.
Question 9

Which statement is true about the EVM?

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    While the EVM is Sandboxed, it isn't as powerful as the Bitcoin Network, because it's not Turing Complete.

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    The EVM can't access hardware layers or anything outside a blockchain node because it's sandboxed.

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    The EVM is extremely powerful, turing complete and perfect for doing computational intensive things, because of the direct access to the graphics card.