Investors keep their funds in stable coins because they doubt the prospects of the market.Many investors are taught by the bitter experience of last year,and therefore prefer to keep money in stable coins, so that at the right time,with a strong fall for example-quickly buy the same bitcoin.
It seems to me that those stable coins that are already on the cryptocurrency market today are quite enough. It does not fully satisfy the requests of those users of cryptocurrency, Who wants to minimize the risks in case of market instability .