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imToken Learn and Earn 5 Quizz Answers

#1
Information 
imToken Learn and Earn 5 - Participate in the Layer 2 quiz to win NFTs and 5000 USDC.

Follow imToken Twitter to get a chance to obtain a Mystery Box.

[Image: oci9fkunsuhog9s5a8zs.png]
 
Tasks & rules: 
 

  1. Study and complete the answer, and you can get imToken Planet series NFT after reaching 80 points or more.
  2. After collecting 8 NFTs, click on the link to unlock the imToken Discord community L&E 5 identity group, and enter the imToken Discord "lottery channel" to participate in the lottery, with a total prize pool of 5,000 USDC

NFT rewards are distributed on Project Galaxy once a week during the event. 



Event time: 2022/09/05 16:00 - 2022/09/26 16:00 (SGT)


imToken: How to stay safe on Layer 2? Quizz Answer


1. imToken strive to build ____ wallet in the Layer 2 ecosystem

the most secure

easy-to-use

All of the above [ Correct Answer ]

2. Before trying the Layer 2 ecosystem, you need to download and install imToken. Which of the following is the correct way to download imToken?

Download from the official website of imToken: https://token.im/ [ Correct Answer ]

Download through links and posters sent by friends

Download from third-party websites

Download through search engines

3. What is imToken's first deeply integrated Layer 2 network?

zkSync [ Correct Answer ]

Arbitrum

Optimism

StarkWare

4. Rollup is the most popular Layer 2 solution. What are the two main types of Rollup? (more than one choice)

EVM

Validium

ZK Rollup [ Correct Answer ]

Optimistic Rollup [ Correct Answer ]

5. Which of the following projects are based on Optimistic Rollup? (more than one choice)

zkSync

Arbitrum [ Correct Answer ]

Optimism [ Correct Answer ]

StarkWare

6. imToken actively participates in Layer 2 ecosytem building and has invested some excellent projects inluding ____

Aztec

zkSync

StarkWare

All of the above [ Correct Answer ]
Reply
#2
imToken How big is the Arbitrum? Quizz Answers


1. The team behind Arbitrum is ____

Uniswap Labs

Binance Labs

Offchain Labs [ Correct Answer ]

Matter Labs

2. What are the characteristics of Arbitrum? (more than one choice)

Extremely low transaction fees [ Correct Answer ]

No need to trust [ Correct Answer ]

Ethereum mainnet-level security through encryption technology [ Correct Answer ]

EVM compatibility [ Correct Answer ]

3. What type of fraud proof does Arbitrum use to guarantee the validity of compressed data?

Single round interactive fraud proof

Multi-round interactive fraud proof [ Correct Answer ]

zero-knowledge proof

4. What virtual machine does Optimistic Rollup use?

EVM (Ethereum Virtual Machine)

OVM (Optimistic Virtual Machine) [ Correct Answer ]

Oracle VM

5. Which of the following projects have joined the Arbitrum ecosystem? (more than one choice)

Aave [ Correct Answer ]

DODO [ Correct Answer ]

Celer Bridge [ Correct Answer ]

Chainlink [ Correct Answer ]

6. Which of the following methods can be used to open the Arbitrum wallet in imToken?

Enter the asset page of the ETH wallet, click "Ethereum" at the top of the page, and select "Arbitrum" on the pop-up page [ Correct Answer ]

Click the three bars in the upper left corner of the wallet and select the "Arbitrum" wallet

Click "My profile" - "Manage Wallet" and select the "Arbitrum" wallet
Reply
#3
imToken: How does the Optimistic Rollup work? Quizz Answers


1. Which Layer2 solution is Optimism based on?

Plasma

Validium

ZK Rollup

Optimistic Rollup [ Correct Answer ]


2. Which description is false about Optimism?

Optimism scales the Ethereum network by adopting ZK Rollup [ Correct Answer ]

Optimism inherits the security of Ethereum mainnet through cryptography technology

Optimism adopts Optimistic Rollup based on single-round interactive fraud proof

Optimism's goal is to scale the Ethereum network


3. Which description is false about Optimistic Rollup?

The zero-knowledge proof is removed from the Optimistic Rollup scheme and a penalty mechanism is added

Optimistic Rollup uses OVM (Optimistic Virtual Machine)

Optimistic Rollup does not support smart contracts [ Correct Answer ]

Optimistic Rollup was proposed in June 2019


4. Which descriptions are true about the Optimism Foundation? (more than one choice)

The Optimism Foundation is a for-profit corporation

The Optimism Foundation is a non-profit corporation [ Correct Answer ]

The Optimism Foundation is the development team behind Optimism [ Correct Answer ]

The Optimism Foundation aims to generate public interest and operate in a sustainable manner [ Correct Answer ]


5. Which of the following projects have joined the Optimism ecosystem? (more than one choice)

Uniswap [ Correct Answer ]

Hop Exchange [ Correct Answer ]

1inch [ Correct Answer ]

Synthetix [ Correct Answer ]
Reply
#4
imToken: How do zkRollups work? Quizz Answers


1. The development team behind zkSync is ____

Uniswap Labs

Binance Labs

Offchain Labs

Matter Labs [ Correct Answer ]

2. What are the features of zkSync? (more than one choice)

Extremely low transaction fees [ Correct Answer ]

No need to trust [ Correct Answer ]

It inherits the Ethereum mainnet security [ Correct Answer ]

User assets are self-custodial [ Correct Answer ]

3. The security of Rollup is determined by_____ (more than one choice)

Data validity [ Correct Answer ]

Data availability [ Correct Answer ]

Data integrity

4. Currently, zkSync is in the ___stage on the roadmap?

Scalable payment [ Correct Answer ]

Smart contract

Privacy

Censorship resistant

5. Which of the following projects have joined the zkSync ecosystem? (more than one choice)

Aave [ Correct Answer ]

Curve [ Correct Answer ]

Moonpay [ Correct Answer ]

Balancer [ Correct Answer ]

6. Which of the following is the right path to open the zkSync wallet in imToken?

Enter the asset page of the ETH wallet, click "Ethereum" at the top, and select "zkSync" on the pop-up page

Click the three bars in the upper left corner of the wallet and select the "Arbitrum" wallet

Click "My profile" - "Manage Wallet" and select the "Arbitrum" wallet

Click "My profile" - "Explore" and enable the Layer 2 function [ Correct Answer ]
Reply
#5
imToken: Beginner: Layer 2, Plasma and Rollup Quizz Answers


1. Which of the following projects are not based on Layer 2 solutions?

Arbitrum

BNB Smart Chain [ Correct Answer ]

Optimism

zkSync

2. What are the characteristics of Layer 2?

Layer 2 offers faster transaction speed than Layer 1

Layer 2 offers lower gas fees than Layer 1

Layer 2 can drive mass adoption

All of the above [ Correct Answer ]

3. Which of the following descriptions about Rollup is false?

Rollup is one of the Layer 2 solutions

According to the different schemes to ensure the validity of the compressed data, Rollup can be divided into ZK Rollup and Optimistic Rollup

zkSync uses the Optimistic Rollup scheme [ Correct Answer ]

Rollup offloads transactions from the Ethereum mainnet (Layer 1) to Layer 2 for processing and compression

4. Which of the following descriptions about ZK Rollup is true?

ZK Rollup is based on zero-knowledge proof

ZK stands for zero knowledge

zkSync uses the ZK Rollup scheme

All of the above [ Correct Answer ]

5. Which of the following descriptions about Optimistic Rollup is false?

Optimistic Rollup is a Rollup scheme that uses zero-knowledge proof [ Correct Answer ]

Optimistic Rollup optimistically believes that the data posted to the Ethereum mainnet is correct

If anyone observes that the data is wrong, they can issue a challenge during a period.

Optimistic Rollup uses fraud proof to make sure that the data finally posted to the Ethereum mainnet is valid.

6. Which of the following descriptions about Plasma is false? (more than one choice)

Plasma supports fast withdrawal [ Correct Answer ]

In order to improve transaction throughput, Plasma compresses multiple transactions into one block, and offloads the calculation and storage of transactions off Ethereum mainnet into Plasma chains.

Plasma uses zero-knowledge proof to ensure safety. [ Correct Answer ]

OMG network is based on Plasma

7. Which one is the first Layer 2 solution proposed to scale the Ethereum network?

Rollup

Plasma [ Correct Answer ]

State Channels

Validium
Reply
#6
imToken: Intermediate:Bridges, Fraud Proof and Zero Knowledge Proof Quizz Answers


1. Bridges can be used to transfer assets between_____

Layer 1 and Layer1

Layer 1 and Layer 2

Layer 2 and Layer 2

All of the above [ Correct Answer ]

2. Which of the following is a common implementation of the Layer 1 / Layer 2 <> Layer 2 type bridge?

Lock and mint

Burn and mint

Atomic swap

All of the above [ Correct Answer ]

3. Which of the following DApps can’t be used to transfer assets between different networks?

Optimism Gateway

Uniswap [ Correct Answer ]

Arbitrum Bridge

Hop Protocol

4. Which of the following Layer 2 solutions uses zero-knowledge proof?

Optimism Rollup

ZK Rollup [ Correct Answer ]

State Channels

Plasma

5. What are the requirements for zero-knowledge proof? (more than one choice)

Zero knowledge [ Correct Answer ]

Completeness [ Correct Answer ]

Soundness [ Correct Answer ]

6. Which of the following statements is false about single-round interactive fraud proof and multi-round interactive fraud proof?

Higher cost of on-chain computing for single-round interactive fraud proof

Longer challenge period for single-round interactive fraud proof [ Correct Answer ]

Multi-round interactive fraud proof is suitable for complex smart contracts

Both require a replay of the disputed transaction on Layer1
Reply
#7
imToken: Layer 2 tutorials Quizz Answers


1. Which of the following Layer 2 networks does imToken support?

Optimism

Arbitrum

zkSync

All of the above [ Correct Answer ]

2. How do I enable the zkSync wallet in imToken?

Open your ETH wallet then click “Ethereum” at the top. Choose “zkSync” in the pop-up to switch to the zkSync network.

Open imToken's ETH wallet, click "My Profile" - "Explore", and enable the Layer 2 function. [ Correct Answer ]

3. Which of the following Layer 2 bridges is supported by imToken?

cBridge

Multichain

Hop Protocol

All of the above [ Correct Answer ]

4. Which statement about the Layer 2 Bridge is true?

Users can transfer assets between the Layer 1 blockchain and Layer 2 networks

Users can transfer assets between two different Layer 2 networks

Users can’t to transfer assets between two different Layer 2 networks

Both A and B are correct [ Correct Answer ]

5. Which of the following descriptions about zkSync is true?

zkSync users’ asset security is protected by zero-knowledge proof and on-chain data availability

zkSync is a Layer 2 scaling solution for Ethereum based on zkRollup

zkSync is designed to support efficient payment with low costs on the network

All of the above [ Correct Answer ]

6. What features are supported by the Arbitrum / Optimism wallet ? (more than one choice)

transfer and receive [ Correct Answer ]

deposit and withdraw [ Correct Answer ]

Tokens are automatically discovered [ Correct Answer ]

DApp [ Correct Answer ]

7. How does zkSync ensure the security of user funds?

zkSync users’ asset security are protected by zero-knowledge proof and on-chain data availability [ Correct Answer ]

zkSync users’ asset security are protected by fraud proof and on-chain data availability

8. Which of the following ways allows you to interact with DApps on Layer 2?

Switch to the Layer 2 network and click "DApp"

Switch to the Layer 2 network and search for the name of the DApp on the "Browser" page

All of the above [ Correct Answer ]
Reply
#8
imToken: Expert: Comparision of Layer 2 Scaling Solutions Quizz Answers


1. Vitalik Buterin once said the biggest advantage of using Layer 2 to achieve Ethereum scaling is

the guarantee of security

the preservation of decentralization [ Correct Answer ]

the realization of the greatest scalability possible

the improvement of network throughput and performance

2. Which of the following is common Layer 2 solution?(More than one choice)

Rollup [ Correct Answer ]

Plasma [ Correct Answer ]

State channels [ Correct Answer ]

Validium [ Correct Answer ]

3. The advantages of Plasma include___(More than one choice)

High trading speed and fewer interactions with the mainnet [ Correct Answer ]

Low costs [ Correct Answer ]

Strong security and no supervision [ Correct Answer ]

No challenge period

4. Which of the following statements about state channels is false?

High efficiency and no need to wait for blocks to be packed

Similar to the Bitcoin Lightning Network

Relatively high time and capital costs for settlement and channel establishment

Funds don’t need to be locked in payment channels [ Correct Answer ]

5. On August 5th, Arbitrum accounts for __ of the total Layer 2 TVL?

about 52% [ Correct Answer ]

about 32%

40%

51%

6. On August 5th, what project had the largest TVL in the Arbitrum ecosystem?

Curve

Stargate

GMX [ Correct Answer ]

SushiSwap

7. Which of the following statements is false?

zkSync is introduced by Matter Labs

zkSync went live on Ethereum mainnet in June 2020

Many DApps will launch on zkSync in the future

zkSync does not support EVM compatibility [ Correct Answer ]
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