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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:

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:

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

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

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

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

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

Proof of Stake consensus is most often needed for and implemented by:

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?

Question 222 - CBSA discussion

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Records on a public blockchain are deleted by?

A.

They cannot be deleted

B.

Filing a request with the Ethereum Foundation

C.

Recalling the transaction of Etherscan.io

D.

Deleting the transaction from the app that sent it

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asked 16/09/2024

Zeshan Tariq

40 questions

User

Your answer: A B C D

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