Blockchain Fundamentals

Blockchain Fundamentals

University

20 Qs

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Blockchain Fundamentals

Blockchain Fundamentals

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Prem Kulkarni

Used 5+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consensus mechanism used by Bitcoin?

Proof of Authority (PoA)

Proof of Work (PoW)

Delegated Proof of Stake (DPoS)

Proof of Stake (PoS)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which programming language is commonly used to write smart contracts on Ethereum?

Solidity

C++

Python

Java

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process of integrating cryptocurrency into a blockchain network called?

Decentralization

Tokenization

Encryption

Smart Contracting

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of decentralized applications (DApps) over traditional apps?

Limited scalability

Decentralization

Centralization

Higher costs

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some common security measures implemented in blockchain networks?

Blockchain transparency, centralized network structure, weak encryption methods

Insecure data storage, public key encryption only, lack of cryptographic hashing

Cryptographic hashing, consensus mechanisms, public and private key encryption, decentralized and distributed network structure, immutability of records

Single point of failure, lack of consensus mechanisms, mutable records

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between permissioned and permissionless blockchains?

Access control

Blockchain size

Transaction speed

Consensus mechanism

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Give an example of an application of blockchain technology outside of cryptocurrencies.

Social media platforms

Supply chain management

Online gaming

Weather forecasting

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