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Qn. Sets

Blockchain Questions Set 5:

Quiz Mode

A block in a Blockchain has a header and _____

Inputs

Transactions

Digital Ledger

Merkle Tree

Who coined the phrase “smart contract”?

Hal Finney

Satoshi Nakamoto

Nick Szabo

Vitalik Buterin

What is the hashing algorithm used in Litecoin?

SHA-256

Scrypt

Keccak

Elliptic Curve Cryptography

What does the term 'P2P' stand for in Blockchain terminology?

Parent to Parent

Peer to Peer

Precaution to Prevention

Privacy to Private Key

What is one of the main uses of dAPIs?

Build DApp front ends

VoIP services

Deploying smart contracts

Providing access to data and services

What does UTXO stand for?

Unspent Transaction Zeroed Output

Unspent Transaction Xamarin Output

Unspent Transaction Xored Output

Unspent Transaction Output

What is a block in the context of blockchain technology?

They contain transaction data

They contain random data

They contain numbers associated

They contain pictures of digital transactions

What is a Block Header?

It is the title of the block

It is the unique identity of a particular block on a blockchain and is hashed by miners for rewards

It contains the public and private keys

All of the above

What is a backup phrase?

It is used to recover lost Bitcoins

It contains all the public keys

It is used to delete all the transactions in the block

It is a passphrase made up of 12 words which is used to restore the wallet

What is the purpose of the datetime library in Python?

Used to record the timestamps of Block Termination

Used to record the timestamps of changing wallets

Used to record the timestamps of Block Generation

Used to record the timestamps of internode communication

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Qn. Sets

Blockchain Questions Set 5:

A block in a Blockchain has a header and _____

Reveal Answer

Who coined the phrase “smart contract”?

Reveal Answer

What is the hashing algorithm used in Litecoin?

Reveal Answer

What does the term 'P2P' stand for in Blockchain terminology?

Reveal Answer

What is one of the main uses of dAPIs?

Reveal Answer

What does UTXO stand for?

Reveal Answer

What is a block in the context of blockchain technology?

Reveal Answer

What is a Block Header?

Reveal Answer

What is a backup phrase?

Reveal Answer

What is the purpose of the datetime library in Python?

Reveal Answer

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