Blockchain and Crypto Study Guide 2026
Everything you need to pass the Blockchain and Crypto exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 Blockchain and Crypto Exam Format at a Glance
📚 Blockchain and Crypto Topics to Study (21)
✍️ Sample Blockchain and Crypto Questions & Answers
1. What distinguishes inherent risk from residual risk?
Inherent risk is the level of risk present before any controls are implemented, while residual risk is the level that remains after controls and mitigations are applied.
2. What is 'gas' in the Ethereum network?
Gas is a metering unit for Ethereum computation; users pay gas fees in ETH to compensate validators for the resources consumed by their transactions.
3. What is the first step in the risk management process?
Risk identification is the critical first step in risk management, involving systematic recognition and documentation of potential threats and vulnerabilities.
4. What common challenge do professionals face when applying Threat Detection & Incident Response principles?
Professionals commonly face the challenge of adapting theoretical best practices in Threat Detection & Incident Response to the practical constraints and varying conditions encountered in real-world settings.
5. Which best describes the scope of Threat Detection & Incident Response in professional practice?
Threat Detection & Incident Response encompasses both theoretical foundations and practical applications that are essential to professional practice in this field.
6. In a Proof of Stake consensus mechanism, what primarily determines a validator's probability of being selected to create the next block?
In Proof of Stake, validators are selected proportionally to the amount of cryptocurrency they stake as collateral, which they risk losing (slashing) for dishonest behavior.