3 published complaints: 3 unresolved (3 no response).
Yotta is a real, operating sweepstakes platform, but it grades D on SweepsGuard and has never once replied to mediation. 3 complaints are published, all describing the same sequence: an account locked at the point of redemption and no reachable explanation.
It does, up to a point, and that is the part players should understand. One published case involves a player who had five redemptions paid without incident before two pending requests were canceled at once and the account was locked with a five-figure balance on it. The account was in good standing until the balance grew. If you play, keep your balance low and redeem early and often.
In our cases it has meant verification requested without the operator saying what is actually needed, followed by silence when the player asks. One player had already passed verification a month before his balance was removed under an account suspension notice. Document every request and every reply, and do not assume the balance is safe while you wait.