250+ Blockchain Questions - Set 1 [With Solutions]

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Blockchain Questions Set 1:

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Blockchain Questions

Set 1/11

Who developed the SHA-256 cryptographic hash function?

Daijiworld

CID

NSA

Satoshi Nakamoto

Which of the following is a blockchain-based, peer-reviewed academic journal?

Ethedamy

Bitamatic

Namenoulis

Ledger

What is Fiat Money?

They don't have any intrinsic value

They are used as dummy money

They are made by Fiat

None of the above

Which Ethereum API can you use to see the nodes connected to the network?

admin.peers()

eth.viewPeers()

admin.stats()

admin.nodeInfo()

Miners in a cryptocurrency system are __________ parties.

Mutually Distrustful

Mutually Trustful

Independently Trustful

Mutually Beneficiary

What are Crypto Tokens?

They represent Physical Assets

They represent assets which has no value

They represent Programmable ledger

They represent Programmable assets

What are the parameters for the Sent event in the Coin smart contract?

Address from, Address to, uint Amount

String from, String to, uint Amount

Address to, uint Amount

uint from, uint to, uint Amount

Which of the following options are correct regarding the statement below?

"We can only create contracts with Remix.ethereum.org: a web development environment, there are no other IDEs."

There are other IDEs available to develop smart contracts

There are no other IDEs available to create smart contracts other than Remix IDE

Both Option 1 and Option 2 are correct

None of the above

Which of the following options are correct regarding the statement: "Smart contract leverages the immutable recording and trust model of the blockchain"?

The immutable recording and trust model of the blockchain is not a property of smart contracts

The immutable recording and trust model of the blockchain is a property of smart contracts

Both Option 1 and Option 2 are correct

None of the above

What is Byzantine Fault Tolerance?

It is the characteristic of a system to reach consensus even when components of the system fail

It is the characteristic of a country to reach consensus even when components of the system fail

It is the characteristic of a WiFi network to reach consensus even when components of the system fail

It is the characteristic of an economy to reach consensus even when components of the system fail

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Qn. Sets

Blockchain Questions Set 1:

Blockchain Questions

Who developed the SHA-256 cryptographic hash function?

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Which of the following is a blockchain-based, peer-reviewed academic journal?

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What is Fiat Money?

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Which Ethereum API can you use to see the nodes connected to the network?

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Reveal Answer

Miners in a cryptocurrency system are __________ parties.

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Reveal Answer

What are Crypto Tokens?

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Reveal Answer

What are the parameters for the Sent event in the Coin smart contract?

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Reveal Answer

Which of the following options are correct regarding the statement below? "We can only create contracts with Remix.ethereum.org: a web development environment, there are no other IDEs."

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Reveal Answer

Which of the following options are correct regarding the statement: "Smart contract leverages the immutable recording and trust model of the blockchain"?

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Reveal Answer

What is Byzantine Fault Tolerance?

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Reveal Answer

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Which of the following options are correct regarding the statement below?

"We can only create contracts with Remix.ethereum.org: a web development environment, there are no other IDEs."