Wrong Questions Review

Review your incorrect answers and strengthen weak knowledge points

6
Total Wrong Questions
3
Frequently Wrong
4
Categories Involved
94%
Accuracy Rate

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1
BeginnerBlockchain Basics
Wrong 3 timesRandom Practice2025-01-15

What is the primary purpose of a blockchain consensus mechanism?

Your Answer

To mine cryptocurrencies

Correct Answer

To achieve agreement on the state of the ledger among network participants

Explanation

Consensus mechanisms are designed to achieve agreement among distributed network participants about the current state of the blockchain ledger. While mining is one type of consensus mechanism, the primary purpose is to ensure all nodes agree on which transactions are valid and in what order they occurred.

2
IntermediateDeFi
Wrong 2 timesChapter Practice2025-01-14

Which of the following best describes impermanent loss in liquidity providing?

Your Answer

Permanent loss of funds in DeFi protocols

Correct Answer

Temporary loss due to price divergence of paired assets

Explanation

Impermanent loss occurs when the price ratio of tokens in a liquidity pool changes compared to when you deposited them. The loss becomes 'permanent' only if you withdraw your liquidity at that point. If the ratio returns to the original state, the loss disappears, hence 'impermanent'.

3
BeginnerBitcoin
Wrong 1 timeMock Exam2025-01-13

What is the maximum supply of Bitcoin?

Your Answer

100 million BTC

Correct Answer

21 million BTC

Explanation

Bitcoin has a hard-coded maximum supply of 21 million coins. This limit is built into the Bitcoin protocol and cannot be changed without consensus from the network. This scarcity is one of Bitcoin's key value propositions as a digital store of value.

4
IntermediateEthereum
Wrong 1 timeRandom Practice2025-01-12

Which Ethereum improvement proposal introduced the fee burning mechanism?

Your Answer

EIP-1559

Correct Answer

EIP-1559

Explanation

EIP-1559 introduced the fee burning mechanism along with a new transaction fee structure. This proposal implemented a base fee that gets burned (removed from circulation) and an optional tip for miners, making transaction fees more predictable and potentially deflationary for ETH.

5
BeginnerDeFi
Wrong 2 timesChapter Practice2025-01-11

What does AMM stand for in DeFi?

Your Answer

Automatic Money Manager

Correct Answer

Automated Market Maker

Explanation

AMM stands for Automated Market Maker. It's a protocol that uses mathematical formulas to price assets and enable trading without traditional order books. Popular AMMs include Uniswap, SushiSwap, and Curve, which use algorithms to determine token prices based on supply and demand.

6
BeginnerEthereum
Wrong 1 timeRandom Practice2025-01-10

What is the typical block time for Ethereum?

Your Answer

10 minutes

Correct Answer

12-15 seconds

Explanation

Ethereum has a much faster block time compared to Bitcoin. While Bitcoin targets 10 minutes per block, Ethereum aims for approximately 12-15 seconds per block. This faster block time allows for quicker transaction confirmation but requires more sophisticated consensus mechanisms.