It’s not hard to accumulate bonus SC, but they can’t be bought. At many social casinos, when you play with these premium coins, your winnings can be redeemed for cash at an exchange rate of one SC for $1.
On the contrary, all you need is a little luck to turn a profit wagering with SC.
They exist purely for entertainment value. GC has no monetary value and cannot be redeemed for cash or prizes. As an alternative, some casinos define value in terms of points, credits or branded currency like WOW Coins at WOW Vegas Casino. Social casinos operate on a dual currency, typically called GC and SC.
They comply with the terms of the US Internet gambling ban because on social casinos, real money is never required to play.