Quiz 5 - DEX

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Quiz 5 - DEX

DeFi MOOC

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Question 1 - Which of the following is NOT a property for a typical on-chain order book market?

1 point

Censorship resistance

Robust

Front running resistance

No impermanent loss

Non-custodial settlement

Clear selection

Question 2 - Which of the following properties is NOT a desired property for AMM?

1 point

No commission fee

Instant liquidity, irrespective of the trade size.

Purchase of an asset decreases the asset supply in AMM, and increases its market price

The expected increase or decrease in price is based on the trading volume and available liquidity

Clear selection

Question 3 - Which of the following statement about unexpected slippage is incorrect?

1 point

Unexpected slippage can only cause a worse execution price.

Unexpected slippage is caused by price change after a trade has been broadcast but before it has been confirmed.

Traders can configure a slippage protection threshold to limit the total slippage (expected + unexpected)

None of the above

Clear selection

Figure for question 4

Question 4 - Which of the following pricing formulas is best suited for a market with two stable USD tokens that will never lose peg (1 stable coin === 1 USD)?

1 point

Constant product market maker x*y = k

Constant sum market maker x+y = k

A pricing formula between constant product and constant sum (e.g., curve)

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Question 5 - Back-running describes the process where an adversary attempts to execute its own transaction immediately after the victim's transaction executes. For example, given two exchange markets A and B, both trading ETH/USD at a price of 1000. If a victim's trade (with a gas price of 100GWei) is expected to push exchange A's price to 1100 ETH/USD, the adversary can attempt to back-run the victim to perform arbitrage between A and B. Which of the following method will have the highest back-running success rate?

1 point

Broadcast the back-running transaction immediately after the victim's transaction, with 99GWei

Broadcast the back-running transaction immediately after the victim's transaction, with 100GWei

Send a private back-running transaction to private relayer services, and bribe the miners to perform the back-run

(i) broadcast the back-running transaction with 100GWei, and also (ii) send the transaction to private relayer services and bribe the miners.

Clear selection

Question 6 - Which of the following statement about aggregators is incorrect

0 points

Off-chain aggregator can spawn multiple chains, but it is not trivial how this can be achieved for on-chain aggregators

operators can front-run users for off-chain aggregators

on-chain aggregator can perform atomic routing and arbitrage

on-chain aggregator performs less computation on-chain when compared to off-chain aggregator in terms of transaction fees

Clear selection

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