You are not the only one.

Look at my case: https://bitcointalk.org/index.php?topic=5534598.20

Two others who are much more senior and trusted members of the forum also got banned and had their perks stripped: https://bitcointalk.org/index.php?topic=5279042.10700

At best you will be banned from tournaments and have your bonuses stripped. At worst you will be banned completely while they fabricate evidence and say you multi accounted.

Duelbits bans anyone who is up in the long run on their site. Don't play there.