I wonder what made you use Freewallet.org among other excellent wallets like Electrum that will never block your funds because all the control is in your hands.
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i don't understand as well why the OP really did use this site. if you will just search in google, bitcointalk and reddit has several threads discussing about the scam of this freewallet.org.

because as a crypto user, you should do a lil bit of digging before sending any money to an exchange, especially if you are talking about large some of money.