Is Dream11 a scam?

It IS gambling. And it needs external regulators.

Dream11 needs an external regulator for every mega contest.

3 reasons why I know Dream11 is gambling

NCHAN317JK ended up winning 1 crore in one of the IPL contests.

You need more skills to win a game of poker than to win a Dream11 contest.

Legalization = Regulation

Are there fake winnners?

With smart contracts, users can be sure that indeed no teams have been updated or edited post the deadline of the match!