Artificial Intelligence in Blockchain MCQs September 30, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. : Which technology combination is transforming industries with automation and trust? (A) AI and IoT (B) AI and Blockchain (C) Blockchain and Cloud (D) AI and Robotics 2. : How can AI enhance blockchain-based fraud detection? (A) By increasing block size (B) By detecting unusual patterns (C) By adding more miners (D) By reducing gas fees 3. : Which consensus algorithm benefits most from AI optimization? (A) Proof of Stake (B) Proof of Work (C) Proof of Authority (D) Byzantine Fault Tolerance 4. : What role does AI play in smart contracts? (A) Automates contract execution with intelligence (B) Reduces blockchain block time (C) Eliminates the need for miners (D) Acts as cryptocurrency wallet 5. : Which sector benefits most from AI-powered blockchain in healthcare? (A) Patient data management (B) Weather forecasting (C) Gaming (D) Tourism 6. : What does AI provide for blockchain scalability issues? (A) Machine learning predictions (B) Consensus reduction (C) Intelligent resource allocation (D) NFT generation 7. : Which blockchain use case is improved by AI’s predictive analytics? (A) Supply chain optimization (B) Movie streaming (C) Social media posts (D) Online shopping 8. : Which AI model can assist in blockchain anomaly detection? (A) Neural networks (B) Spreadsheets (C) Web browsers (D) Word processors 9. : What advantage does AI bring to decentralized finance (DeFi)? (A) Smarter risk assessment (B) Reduced user privacy (C) Increased transaction fees (D) Manual loan approvals 10. : How can AI help in blockchain energy efficiency? (A) Optimize mining operations (B) Increase hash difficulty (C) Delete transaction history (D) Replace miners entirely 11. : Which AI feature supports blockchain-based identity verification? (A) Image recognition (B) Natural language generation (C) Neural translation (D) Voice synthesis 12. : In AI-blockchain integration, what is the key to secure data sharing? (A) Distributed ledgers (B) Central servers (C) Shared passwords (D) Social media 13. : Which industry uses AI with blockchain for fraud prevention in payments? (A) Finance (B) Agriculture (C) Transportation (D) Tourism 14. : AI improves blockchain oracles by making them? (A) Smarter and adaptive (B) Slower in response (C) More centralized (D) Less secure 15. : What is a benefit of combining AI and blockchain in supply chains? (A) Real-time tracking and predictions (B) Reducing product quality (C) Slower transactions (D) Manual auditing 16. : Which AI technique helps detect malicious blockchain nodes? (A) Deep learning (B) QR codes (C) File compression (D) Email servers 17. : Which benefit does AI bring to blockchain-based healthcare research? (A) Pattern recognition in medical data (B) Extra mining fees (C) Removal of patient privacy (D) Manual record keeping 18. : How does AI improve blockchain cybersecurity? (A) By detecting suspicious transactions (B) By deleting old blocks (C) By centralizing records (D) By removing nodes 19. : What is the role of AI in blockchain governance? (A) Automated decision-making (B) Mining block rewards (C) Wallet creation (D) User identity theft 20. : Which AI capability helps blockchain predict transaction bottlenecks? (A) Machine learning forecasting (B) Email filtering (C) Audio transcription (D) Web crawling 21. : Which industry applies AI-blockchain for crop monitoring and food traceability? (A) Agriculture (B) Aerospace (C) Fashion (D) Education 22. : How can AI help optimize blockchain mining hardware? (A) By predicting energy use (B) By blocking users (C) By increasing latency (D) By slowing consensus 23. : What challenge does AI help solve in blockchain scalability? (A) Predicting network congestion (B) Removing blockchains (C) Centralizing nodes (D) Slowing validation 24. : In fraud detection, AI combined with blockchain ensures? (A) Immutable audit trails (B) Manual records only (C) Unlimited false positives (D) Centralized banks 25. : Which AI approach is commonly applied in blockchain credit scoring? (A) Machine learning models (B) Social media posting (C) Gaming algorithms (D) Simple calculators 26. : AI improves blockchain-based healthcare through? (A) Early diagnosis predictions (B) Increasing paperwork (C) Removing transparency (D) Limiting hospitals 27. : Which AI tool supports blockchain for personalized financial services? (A) Chatbots (B) File managers (C) Keyboards (D) Spreadsheets 28. : How does AI enhance blockchain interoperability? (A) Intelligent cross-chain routing (B) Manual transaction entry (C) Single database control (D) Centralized ledgers 29. : Which AI method helps detect fake identities in blockchain systems? (A) Facial recognition (B) Email forwarding (C) Text formatting (D) Audio compression 30. : AI can improve token trading in blockchain via? (A) Predictive analytics (B) Slowing exchanges (C) Manual interventions (D) Paper-based tracking 31. : Which AI concept is key in blockchain-based autonomous vehicles? (A) Decision-making algorithms (B) Spreadsheets (C) Handwritten notes (D) File copying 32. : AI-driven smart contracts are often called? (A) Intelligent contracts (B) Cold wallets (C) Hash locks (D) Block rewards 33. : How does AI contribute to blockchain-powered energy grids? (A) Optimizing energy distribution (B) Reducing renewable sources (C) Increasing blackouts (D) Manual billing 34. : Which AI feature is most useful for blockchain healthcare privacy? (A) Differential privacy (B) Social media tracking (C) QR scanning (D) Web crawling 35. : What role can AI play in blockchain-based e-commerce? (A) Fraud detection and personalization (B) Slowing online payments (C) Increasing manual checkout (D) Removing product data 36. : Which technology enables AI to process blockchain big data? (A) Cloud computing (B) Paper storage (C) DVDs (D) Printers 37. : Which benefit arises from AI and blockchain in insurance? (A) Automated claim processing (B) Delayed settlements (C) Manual policy checking (D) Higher fraud rates 38. : AI helps blockchain compliance by? (A) Monitoring suspicious activities (B) Removing legal rules (C) Reducing privacy (D) Adding fake users 39. : Which AI model helps blockchain price predictions? (A) Time-series forecasting (B) Word processing (C) QR coding (D) File printing 40. : In blockchain logistics, AI assists by? (A) Optimizing delivery routes (B) Increasing manual errors (C) Slowing shipments (D) Reducing transparency 41. : Which AI tool supports blockchain-powered financial chatbots? (A) Natural Language Processing (B) Image editing (C) File storage (D) QR reading 42. : AI helps reduce blockchain gas fees by? (A) Optimizing transaction batching (B) Increasing block size (C) Removing validators (D) Limiting wallets 43. : Which AI application is vital in blockchain medical imaging? (A) Pattern recognition (B) Voice recording (C) Text formatting (D) File saving 44. : AI-powered blockchain identity systems prevent? (A) Identity theft (B) Password resets (C) Account sharing (D) QR codes 45. : Which AI method is used in blockchain for real-time fraud alerts? (A) Anomaly detection (B) File transfer (C) Web scraping (D) Video playback 46. : How can AI strengthen blockchain consensus mechanisms? (A) By adaptive optimization (B) By centralizing decisions (C) By reducing nodes (D) By blocking miners 47. : Which AI-driven system benefits blockchain healthcare insurance? (A) Automated risk scoring (B) Manual checks (C) Handwritten approvals (D) Slower payouts 48. : Which AI capability helps blockchain manage unstructured data? (A) Natural Language Processing (B) File sharing (C) Email forwarding (D) Image scanning 49. : What is the key synergy between AI and blockchain? (A) Trust with intelligence (B) Centralized data (C) Paper contracts (D) Manual audits 50. : The future of AI in blockchain focuses on? (A) Smarter automation with transparency (B) Increased manual work (C) Central control (D) Slower adoption