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Qn. Sets

Blockchain Questions Set 6:

Quiz Mode

What is the maximum block size in Multichain?

1 GB

1 MB

10 MB

100 MB

What cryptographic algorithm is used in Bitcoin?

Scrypt

SHA-128

Addleman Hash

SHA-256

What library/API is used for smart contract deployment and invocation from a DApp?

eth

admin

contract

web3

Who can mint coins in the Minter contract?

Creator of the contract

User with a Ethereum Key Pair

User with public address of minter

Anyone

In the BallotBasic.sol contract, who is the chairperson?

None of the above

The creator of the contract

The developer of the contract

The miner of the contract

What are magic bytes?

They denote the cryptocurrency used in a particular blockchain

They are used to identify which network is being used

They are used to validate each block

They are used to label honest and dishonest nodes

What is a Regtest?

It is a Public Blockchain which has no miners

It is a Permissioned Blockchain which has no validators

It is a Private blockchain which has a global P2P network

It is a Private blockchain which has the same rules and address format as testnet

What are the 58 alphanumeric characters making up the Base58 alphabet?

Capital letters without (O, I), Lowercase letters without (l), Numerals without (0)

Capital letters, lowercase letters, Numerals 0 and 1 and _, -, &, %

Capital letters without (Q), Lowercase letters without (m) and numbers 1-8

Capital Letters from A-X, Lowercase letters from a-x, Numerals 0-9

Which of the following is not a property of a Cryptocurrency?

The system keeps an overview of cryptocurrency units and their ownership

Ownership of cryptocurrency units can be proved exclusively cryptographically

If two different instructions for changing the ownership of the same cryptographic units are simultaneously entered, the system performs both of them

The system does not require a central authority, its state is maintained through distributed consensus

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Qn. Sets

Blockchain Questions Set 6:

What is the maximum block size in Multichain?

Reveal Answer

What cryptographic algorithm is used in Bitcoin?

Reveal Answer

What library/API is used for smart contract deployment and invocation from a DApp?

Reveal Answer

Who can mint coins in the Minter contract?

Reveal Answer

In the BallotBasic.sol contract, who is the chairperson?

Reveal Answer

What are magic bytes?

Reveal Answer

What is a Regtest?

Reveal Answer

What are the 58 alphanumeric characters making up the Base58 alphabet?

Reveal Answer

Which of the following is not a property of a Cryptocurrency?

Reveal Answer

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