Blockchain, AI, and Cybersecurity in Banking

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What does Public Key Infrastructure (PKI) use to ensure secure communication and authentication in online transactions?

Biometrics and passwords

Encryption and decryption keys

Static CVV codes

One-time passwords

What is a Trojan horse in the context of cybersecurity?

A) A phishing technique used to steal login credentials

B) Malware disguised as legitimate software to infiltrate systems and steal sensitive data

C) A physical device used to clone payment cards

D) A network attack targeting encrypted communications

Which of the following is the main benefit of using blockchain technology in banking?

High transaction costs

Increased transparency and security

Centralized control of data

Slower transaction processing

What is a smart contract in the context of blockchain?

A digital version of a traditional legal contract

A self-executing contract with the terms directly written into code

A contract that requires manual intervention for execution

A financial agreement managed by banks

Which consensus mechanism is commonly used in blockchain networks to validate transactions?

Proof of Work (PoW)

Distributed File Sharing (DFS)

Centralized Approval System (CAS)

Randomized Access Protocol (RAP)

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