4. Blockchain Business Case

A food company wants to trace the origin of contaminated spinach. Which blockchain feature best supports this?

• Encryption

• Smart Contracts

• Immutability

• Consensus

In a supply chain blockchain, who typically has the permission to add data about the quality inspection of goods?

• Consumers

• Logistics providers

• Inspectors/quality controllers

• Competitors

What benefit does blockchain offer to reduce counterfeit goods in a luxury brand supply chain?

• Anonymous trading

• Smart contract audits

• Provenance tracking

• Low transaction fees

A blockchain in a global supply chain network helps reduce:

• Digital marketing costs

• Supplier onboarding time

• Cloud storage requirements

• Product shelf life

Which consensus mechanism is most energy-efficient for supply chain traceability systems?

• Proof of Work

• Proof of Stake

• Proof of Authority

• Proof of Burn

A financial firm uses blockchain to clear trades in seconds instead of days. What aspect does this improve?

• Transparency

• Settlement efficiency

• Market volatility

• Portfolio diversity

What blockchain feature ensures that trade records in a decentralized exchange are tamper-proof?

• Open-source protocol

• Public visibility

• Hash-based encryption

• Immutability

Tokenization of real estate in capital markets enables:

• More regulation

• Fractional ownership

• Higher property taxes

• Longer transaction times

A bank adopts blockchain for cross-border payments. What is the most significant benefit?

• Eliminates inflation

• Reduces need for audits

• Lowers foreign exchange risk

• Reduces transfer time and fees

Which risk remains even after blockchain adoption in financial services?

• Data tampering

• Identity theft

• Smart contract bugs

• Slow transactions