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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 41 - CBSA discussion

Blockchains are decentralized ledgers which, by definition, are not controlled by a central authority. Due to the value stored in these ledgers, bad actors have huge economic incentives to try and cause faults.

What algo was the original solution to the potential problem as specified by Satoshi?

Proof of Stake

Byzantine Fault Tolerance

Proof of Burn

Proof of Work

Dynamic Proof of Stake

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asked 16/09/2024

Francesco Pugliese

37 questions

Your answer: A B C D E

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