Some guy did the research oh who owns USDT (Tether) right now. And he discovered that Bitfinex is owning https://tether.to. And actually you can't withdraw USD from it right now. So please be careful with holding your USDT.
https://www.reddit.com/r/ethtrader/comments/4wvtpw/warning_tether_usdt_poloniex_bitfinex_hack/
What's disturbing here is that Bitfinex cuts off 38% of USD balances too!
https://www.reddit.com/r/ethtrader/comments/4wo5hh/bitfinex_took_36_of_usd_balances_too/
