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Question 1

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SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).

Question 2

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What type of attack would be considered a very large flaw in public blockchains such as Bitcoin's Blockchain where the majority of hashpower could possibly be controlled thru an attack? What is the

Question 3

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How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)

Question 4

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In the Proof of Stake(POS) algorithm the miners are really known as ___________?

Question 5

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A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that requires________. What is required?

Question 6

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A ____________cipher basically means it is using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time. What i

Question 7

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You currently using the Metamask Chrome plugin and you see a selection for Etherescan in the plugin. What is Etherscan used for?

Question 8

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What are two challenges with using a Proof of Work algorithm? (Select two.)

Question 9

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Your customer is an enterprise that is focused on financial sectors. What type of blockchain would this customer likely want specified for their enterprise?

Question 10

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Which is the following is the metaphor that describes a logical dilemma that plagues many computer networks?

Question 60 - CBSA discussion

Every node needs to keep track of time AND it needs to be in synch with its other peer nodes on the blockchain. In Bitcoin for example the current median for time is around?

7 minutes

7 seconds

17 seconds

70 Minutes

70 Seconds

Show Answer

asked 16/09/2024

JoÃ£o Faria

36 questions

Your answer: A B C D E

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