Traders and tax evaders. With stablecoins you can trade on decentralised smart contracts, and they even allow something called flash loans where you borrow the

Traders and tax evaders. With stablecoins you can trade on decentralised smart contracts, and they even allow something called flash loans where you borrow the stablecoin, trade it for profit and then pay it back in one rollbackable transaction! Also there are many high yield investment schemes based on holding stablecoins.