When a person exchanges Bitcoin for Dogecoin, they are participating in a cryptocurrency-to-cryptocurrency trade. The value of Dogecoin in this case is determined by the market demand for both cryptocurrencies and their current exchange rate. As a result, the price of Dogecoin can fluctuate based on changes in the value of Bitcoin.
On the other hand, Tether is a stablecoin that is pegged to the US dollar. When a person buys Dogecoin with Tether, they are exchanging a stablecoin for Dogecoin at a fixed rate based on the value of the US dollar. This means that the price of Dogecoin in Tether will remain relatively stable due to the stable value of Tether.
In conclusion, buying Dogecoin with Bitcoin involves exchanging one cryptocurrency for another, while buying it with Tether involves exchanging a stablecoin for Dogecoin. It is important for individuals to understand the differences between these trades in order to make informed investment decisions.