Answers for imToken Learn and Earn 6

Which of the following statements about Ethereum is false?
- Ethereum mainnet went live in 2013
Which of the following statements about Ethereum wallets is true?
- All of the above
What consensus mechanism does Ethereum currently use?
- PoS
Who is the founder of Ethereum?
- Vitalik Buterin
Which of the following statements about Ethereum transaction is false?
- There is no Gas fee for failed transaction
Which of the following statements about the Ethereum block explorer is correct?
- All of the above are correct

imToken now has full support for key generation on the beacon chain and ___ with InfStones.
- staking-as-a-service custody
Which statement is false about staking-as-a-service custody?
- Users need a high level of expertise
You need at least ___ ETH to participate in the staking-as-a-service custody provided by imToken and InfStones.
- 32
When can you unstake your deposited ETH?
- 2023 or later
Which of the following statements is true about staking-as-a-service custody?
- All of the above are correct

What type of ETH staking service does Lido offer?
- custodial staking pool service
After staking ETH via Lido, you’ll get ___
- stETH
In order to enhance security, the withdrawal key is split into ___ parts.
- 11
Which description is correct regarding the characteristics of Lido? (More than one choice)
- Lido provides stETH to make the deposited ETH more liquid
- No minimal deposit amount for stakers
- The DAO votes on quality node operators to reduce the risk of being slashed
Which description about stETH is correct? (More than one choice)
- You can get the same amount of stETH after staking ETH through Lido
- When the Beacon Chain enables the transfer function (expected in 2023), the token can be exchanged 1:1 for ETH
- You can swap stETH for ETH via Uniswap, Curve, 1inch or Balancer at any time

What type of staking service does Rocket Pool offer?
- Decentralized staking
As a regular staker, you should stake at least ___ ETH.
- 0.01
As a node operator, you should stake at least ___.
- 16 ETH + some RPL tokens worth 1.6 ETH
After staking ETH with Rocket Pool, you’ll get ___.
- rETH
Which description of the characteristics of Rocket Pool is correct? (more than one choice)
- All optiont

Which of the following descriptions of Ethereum upgrades are false: (more than one choice)
- After The Merge, the gas fees for transactions are cheaper
- After The Merge, the transaction speeds are faster
The common staking solutions currently available to participate in ETH staking inlucde ___ ? (more than one choice)
- All option
The advantages of PoS over PoW mechanism are: (more than one choice)
- PoS can reduce energy consumption
- PoS can reduce the threats of coordinated attacks, such as the 51% attack, thus improving security.
imToken has full support for ETH staking and staking-as-a-service custody with ___.
- InfStones
After The Merge, the ETH staking APR may reach
- 7% or so
When did Vitalik Buterin release the Ethereum merge roadmap?
- December 2021
Vitalik said that the Ethereum upgrades would consist of five phases, namely, ___. (more than one choice)
- All option except Hurge

Which of the following descriptions about self-run node is false:
- Uses don’t need to put too much effort into node operation and maintenance
The common ETH staking pool tokens include ___: (more than one choice)
- All option
The advantages of Staking-as-a-Service custody include ___? (more than one choice)
- Users take full control over their staked ETH, and the service provider has no access to users' assets.
- Users can check the node information on chain and no need to worry about node operation
The advantages of custodial staking pool over full custody include ___: (more than one choice)
- Custodial staking pools support users to stake less than 32 ETH and solve the liquidity problem that is caused by long-term lock-up staking.
- Custodial staking pools provide tokens such as stETH, aETH which represent users' staked ETH.
Which of the following descriptions about Staking-as-a-Service custody is false:
- The validator key is kept by the user only and can be used to validate the block

What is the biggest throughput bottleneck for Ethereum?
- Transaction validation
Which of the following descriptions about the bottleneck is true?
- All of the above
Which of the following descriptions about separating transaction execution from consensus is false?
- After separating, the validator node needs to execute the received transactions
Which of the following descriptions aboud Shard Chain is false?
- Rollup does not need to pick out its own transactions from the Shard Chain blocks to execute
Which of the following descriptions aboud Rollup is false?
- The Layer 1 validator is responsible for adding the Rollup transactions into the block and executing them.
Which of the following descriptions about different Rollups is true? (more than one choice)
- They all rely on Layer 1 security to ensure the order of transactions
- They interpret data sequentially based on their own protocols
- They execute transactions based on their own protocols
After the transaction execution is separated from the consensus, which node can tell me how much ETH I can get for 300 USD on Uniswap?
- Rollup node

Please find out the block height and timestamp of the TX: 0xeba382e3fe232a07fdb14515033ea8744c063582dde0ec0d4c1332f1c899e9d9 through the Ethereum block explorer Etherscan.
- Block: 15566576; Timestamp: Sep-19, 2022, 09:08:59 AM UTC
Swap ETH (of any amount) for stETH via Uniswap or Curve within imToken.
- Swap ETH
- Past the TX hash of transaction
Stake ETH (of any amount) within imToken via Rocket Pool or Lido or InfStones.
- Скачиваем imToken:
Android | iOS
Импортируем seed phrase => переходим во вкладку "Посмотреть" => в поисковике пишем "Lido ETH 2 Staking" => отправляем в стейкинг любую сумму ETH => копируем TX hash => возвращаемся на сайт.
- Stake ETH
- Past the TX hash of transaction

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