通過回答Xenea Wallet的每日測驗來賺取$寶石

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Good morning everyone and welcome back to another installment of Daily Quiz answers for Xenea Wallet. Today's question is: Which mechanism sets prices in automated market makers? The options are A) Constant Sum, B) Constant Rate, C) Linear, and D) Constant Product.

大家早上好，歡迎回到另一批針對Xenea Wallet的每日測驗答案。今天的問題是：哪種機制設定了自動做市商的價格？選項是a）恆定總和，b）恆定速率，c）線性和d）恆定產物。

The correct answer is D) Constant Product.

正確的答案是d）恆定產品。

The term "automated market maker" (AMM) refers to a decentralized exchange (DEX) that uses a liquidity pool to set prices for various assets directly on the exchange, without the need for an intermediary such as a bank or brokerage firm.

“自動做市商”（AMM）一詞是指使用流動性池直接在交易所設定各種資產價格的分散交易所（DEX），而無需銀行或經紀公司等中介。

In contrast to centralized exchanges (CEXs), which typically use an order book to match buyers and sellers, AMMs rely on a liquidity pool funded by users who deposit equal amounts of two assets, such as ETH and USDC, into a smart contract. This liquidity is then used by traders to execute their trades.

與通常使用訂單書匹配買賣雙方的集中交易所（CEXS）相反，AMMS依靠由用戶資助的流動性池，這些用戶資助的用戶將相當數量的兩個資產（例如ETH和USDC）存入智能合約。然後，交易者使用這種流動性來執行其交易。

The prices on AMMs are determined by a formula that is applied to the tokens in the liquidity pool. One common formula is Constant Product, which states that the product of the two assets in the pool remains constant. For example, if the pool starts with 10 ETH and 100 USDC, then the product is 1,000. If a user wants to buy 1 ETH, they will need to pay USDC at a rate that keeps the product of ETH and USDC equal to 1,000.

AMM上的價格取決於用於流動性庫中代幣的公式。一個常見的公式是恆定產品，該公式指出池中兩個資產的乘積保持恆定。例如，如果游泳池以10個ETH和100 USDC開頭，則產品為1,000。如果用戶想購買1個ETH，他們將需要以將ETH和USDC的產品保持在1,000的產品的速度支付。

Now, let's break down why the other options are incorrect.

現在，讓我們分解為什麼其他選項不正確。

Option A) Constant Sum is not used to set prices in AMMs. In fact, the liquidity in the pool is constantly changing as users add and remove funds.

選項A）不使用恆定總和來設置AMM中的價格。實際上，當用戶添加和刪除資金時，游泳池中的流動性正在不斷變化。

Option B) Constant Rate would imply that the price of one asset remains fixed, while the price of the other asset changes accordingly. However, in AMMs, prices are determined by supply and demand, and both prices will change based on user trades.

選項b）恆定利率將暗示一個資產的價格保持固定，而另一資產的價格則相應地變化。但是，在AMM中，價格取決於供求，並且兩個價格都會根據用戶交易而變化。

Option C) Linear pricing would involve a simple linear equation to set prices, but this is not the mechanism used by AMMs.

選項c）線性定價將涉及一個簡單的線性方程來設定價格，但這不是AMM使用的機制。

Therefore, the only correct option is D) Constant Product. This formula is used to set prices in AMMs, and it ensures that the total value locked (TVL) in the liquidity pool remains constant.

因此，唯一正確的選擇是d）恆定產品。該公式用於在AMM中設定價格，並確保流動性池中的總價值鎖定（TVL）保持不變。

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