Cryptocurrency Study Guide 2026
Everything you need to pass the Cryptocurrency 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.
📋 Cryptocurrency Exam Format at a Glance
📚 Cryptocurrency Topics to Study (22)
✍️ Sample Cryptocurrency Questions & Answers
1. What are sidechains, exactly?
Explanation The correct answer Any mechanism that allows tokens from one blockchain to be securely used within a completely separate Blockchain
2. What is a Dash Masternode and how does it work?
A Dash Masternode is a specialized type of node on the Dash cryptocurrency network that provides advanced services beyond basic transaction processing. These services include InstantSend (instant transactions), PrivateSend (transaction mixing for privacy), and governance functions. Masternodes require a collateral of 1,000 DASH and are rewarded for their services, contributing to the network's security and functionality.
3. What is an Automated Market Maker (AMM) in DeFi?
An AMM uses liquidity pools and mathematical formulas to automatically price and swap assets without needing a traditional order book.
4. What is a Layer 2 (L2) solution in blockchain?
Layer 2 solutions process transactions off the main chain and settle them on-chain, dramatically increasing throughput while inheriting base layer security.
5. What is the Ethereum Virtual Machine (EVM)?
The EVM is the runtime environment that executes smart contract bytecode across all Ethereum nodes in a deterministic way.
6. What is the meaning of UTXO?
UTXO stands for Unspent Transaction Output, a fundamental concept in Bitcoin and other cryptocurrencies. A UTXO represents a discrete amount of cryptocurrency that has been received in a transaction but has not yet been spent. When you spend Bitcoin, you are essentially consuming one or more UTXOs and creating new UTXOs as change and payment to the recipient.