Usdt being used widely as intermediate between fiat and cryptocurrency such as btc, eth and etc. So is Usdt shariah compliance or not?

I found that majority of people are purchasing Usdt before they buy other cryptocurrency such as btc,eth and etc…And this website stated that usdt is considered grey (shubhah). So may I know your point of view regarding this stablecoin as mediator between fiat currency and cryptocurrency? I’m afraid since many our muslim brothers and sisters trading crypto by using this coin.
@Mufti_Billal @Mufti_Faraz_Adam