CCA Security & Risk Analysis 1 — Questions and Answers
Question 1: What is the primary goal of blockchain security?
- To increase transaction speed
- To monitor internet usage
- To ensure data integrity and prevent breaches (Correct answer)
- To hide user information from everyone
Correct answer: To ensure data integrity and prevent breaches
Blockchain security aims to protect data integrity, prevent unauthorized access, and maintain trust in the system.
Question 2: What is a 51% attack?
- A system update
- A node malfunction
- A majority control over blockchain consensus (Correct answer)
- Network throttling
Correct answer: A majority control over blockchain consensus
A 51% attack occurs when a single entity gains majority control of the network’s mining power, allowing potential double-spending.
Question 3: Why is private key security critical?
- They store user history
- They manage app settings
- They authorize access to crypto wallets (Correct answer)
- They configure blockchain hardware
Correct answer: They authorize access to crypto wallets
Private keys grant access to digital assets, and loss or theft can result in irreversible asset loss.
Question 4: What is smart contract auditing?
- A mining strategy
- A digital wallet service
- A code review for security flaws (Correct answer)
- A blockchain format update
Correct answer: A code review for security flaws
Smart contract auditing reviews code for vulnerabilities to prevent exploits and ensure secure operations.
Question 5: Which best describes a phishing attack in crypto?
- Hardware overheating
- Spam in transaction logs
- Fraudulent attempt to access credentials (Correct answer)
- Coding errors
Correct answer: Fraudulent attempt to access credentials
Phishing tricks users into revealing private credentials, often through fake websites or messages.
Question 6: What is risk analysis in the context of blockchain?
- Creating marketing plans
- Analyzing price trends
- Identifying and managing security vulnerabilities (Correct answer)
- Reviewing social media accounts
Correct answer: Identifying and managing security vulnerabilities
Risk analysis evaluates threats to blockchain systems, helping prioritize mitigation strategies and security protocols.
CCA Security & Risk Analysis 1
What is the primary goal of blockchain security?