Secondstrade confiscated my 0.25 btc

[NoobieNoobie]

The story started here:
https://bitcointalk.org/index.php?topic=813554.msg17370862#msg17370862

In few words:
I put two bets on secondstrade binary options and both bet won (payout > 0.50 btc).
secondstrade.com ( service , user ) confiscated my funds and answered something
strange about doublespending attacks on their site on some other address in different
time. But what is the relation to me? My bets weren't doublespended.