вот что пишут по поводу обращения
Thank you! Reported to the exchange this is their reply, how convenient...
Good day! My name is Angela, part of the Customer Support Team at STEX.
You should contact us from the email address linked to the account. Only in this case, we may check information regarding that account.
Regards, STEX Support Team
https://www.reddit.com/r/Signum/comments/pmpf3f/phoenix_wallet_signum_hacked/