In the world there are many currencies recognized by different countries, so why not exist several digital dollars at once.
Recently, these "digital dollars" has become a huge amount. The competition between the stable coins is very strong. To succeed you need to have a unique offer.
To succeed, you need to have a really stable coin, which even in the most difficult moments, when the market will wildly fall down, will be as stable as possible.
In order for a coin to be stable, it must be tied to physical assets.