Stable Coins : Coins which are linked with other currencies and commodities which are not stable 
But, even that seems to be not working.
The slump follows Terra ecosystem project UST costing its investors billions of dollars as it lost its peg and fell to as low as 22 cents. Associated token luna (LUNA) dropped to pennies from trading over $100 earlier this month, losing as much as 99.7% of its value in under a week.
I think we may have lot of such stablecoins going bonkers going forward. Let’s share it here.