Quiz: Blockchain Beyond Bitcoin: Applications in Supply Chain and Voting

Question 1

How does blockchain technology improve transparency in supply chains by creating an immutable record?

Accepted Answer

Through decentralized databases that record every transaction permanently

Answer

By allowing suppliers to alter their transaction histories

Answer

By restricting access to supply chain data to authorized personnel only

Answer

By using centralized servers to store and manage supply chain data

Question 2

In a blockchain-based voting system, what is a primary benefit of using cryptographic techniques to verify voter identities?

Accepted Answer

To ensure that each voter can only cast one vote and their identity remains private

Answer

To allow voters to change their votes after submission

Answer

To enable multiple people to vote under a single identity

Answer

To store voting data on personal devices rather than a central server

Question 3

Which of the following best describes a challenge when implementing blockchain in global supply chains?

Accepted Answer

The variability in regulatory compliance across different countries

Answer

The ability to increase the number of transactions processed per second

Answer

The use of digital currencies for all transactions

Answer

The requirement for all supply chain participants to use the same blockchain platform

Question 4

What role does a smart contract play in an automated supply chain process?

Accepted Answer

To execute predefined actions automatically when specific conditions are met

Answer

To manually approve each transaction before it is recorded on the blockchain

Answer

To store all supply chain data in a centralized location

Answer

To allow unauthorized access to supply chain information

Question 5

In a blockchain-based voting system, why is it important to ensure that the network remains decentralized?

Accepted Answer

To prevent any single authority from manipulating the election results

Answer

To allow a single entity to control the vote counting process

Answer

To reduce the number of participants required to validate transactions

Answer

To centralize data storage for easier management

Question 6

Which concept is crucial for maintaining data privacy in a blockchain application for supply chain management?

Accepted Answer

Implementing zero-knowledge proofs to verify transactions without revealing sensitive information

Answer

Using public blockchains where all transactions are visible to everyone

Answer

Centralizing all data on a single server for easier access

Answer

Allowing any user to modify transaction details after they are recorded