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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?

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Related questions

Bitcoin implemented Byzantine Fault Tolerance through a system named:

Blockchains only work to store financial transactions or other exchanges of monetary value.

In Ethereum the difficulty adjustment algorithm is coded in the ___________ file.

Consider the following scenario. A startup is building a chat app for smart phones where the messages sent between users are anonymous and get destroyed within 24 hours of being sent. Which architecture would best solve the product need?

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

A private blockchain like Hyperledger would be the right choice for which scenario:

Which cryptocurrency is also known as "Smart Money" in the blockchain world?

What is the difference in using Go-Ethereum over Ganache?

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

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

Question 214 - CBSA discussion

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

A.

Store the hash of the previous block within the current block

B.

Having the genesis node store an ordered, mutable array of block hashes

C.

Writing each block into a separate file on the hard disk of the node

D.

Assigning an order number to each block so they can be sorted when requested

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asked 16/09/2024

Valencia, Luis

40 questions

User

Your answer: A B C D

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