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Qn. Sets

Blockchain Questions Set 19:

Quiz Mode

Bitcoin blockchain is ______________

Anonymous

Pseudonymous

Incognito

Armaneous

Which of the following is a public blockchain?

Quorum

Multichain

Litecoin

Ripple

Who is credited with inventing the concept of smart contracts?

Eric Greer

Nick Szabo

Satoshi Nakamoto

Dr. Jack Ryan

What is a Command Line Interface (CLI) in the context of Truffle IDE?

Common Language Infrastructure

Call Level Interface

Command Line Interface

Command Language Interpreter

Blockchains are an example of a distributed computing system with what characteristic?

High Byzantine Fault Tolerance

Low Byzantine Fault Tolerance

Zero Byzantine Fault Tolerance

None Of the Above

Why is the total supply of Bitcoins limited to 21 million?

All of the above

21 million is a lucky number

21 million Bitcoins are enough for the whole world

21 million is predefined through the Bitcoin generation algorithm

What is the primary purpose of events in Ethereum?

To invoke eth.sendTransaction() from the front end

For sending coins from sender to receiver

For debugging purposes

For pushing smart contract state changes to any monitoring applications

What are non-fungible tokens (NFTs)?

They represent the coins used in a cryptocurrency system

They represent the security tokens

They represent something unique and which cannot be replaced by another token

They represent the block reward tokens

What is the purpose of the 'event sent' in the Coin Dapp?

Pushing a notification that coins have been transferred between sender and receiver

For debugging purpose

To invoke eth.sendTransaction() from front end

Sending coins from sender to receiver

What is a Security Token?

It is a portable device that authenticates a person's identity electronically

It is a physical token which is given in exchange to Bitcoins

It is a portable device that validates a person's identity bio metrically

It is a physical token that authenticates a person's Bitcoin wallet

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Qn. Sets

Blockchain Questions Set 19:

Bitcoin blockchain is ______________

Reveal Answer

Which of the following is a public blockchain?

Reveal Answer

Who is credited with inventing the concept of smart contracts?

Reveal Answer

What is a Command Line Interface (CLI) in the context of Truffle IDE?

Reveal Answer

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Reveal Answer

Why is the total supply of Bitcoins limited to 21 million?

Reveal Answer

What is the primary purpose of events in Ethereum?

Reveal Answer

What are non-fungible tokens (NFTs)?

Reveal Answer

What is the purpose of the 'event sent' in the Coin Dapp?

Reveal Answer

What is a Security Token?

Reveal Answer

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