stablecoin不是不能和法定货币对换么。。

问题如下：

A special type of cryptocurrency that is backed by and pegged to a fiat currency is called

选项：

A.

altcoin.

B.

stablecoin

C.

meme coin

解释：

The correct answer is B. A stablecoin is designed to maintain a stable value by pegging its value to another asset and is collateralized by a basket of assets, typically a fiat currency, precious metals, or other cryptocurrencies.