This is so frustrating, practically, we are slaves of exchanges. No? check my story with Bittrex below:

Backgroud:
I'm not a trader but you know, one needs an exchange anyway. Months ago I tried signing up on Polonix, the site successfully proceeded and I get in. As an Iranian, I had no intention to trade dirty USD sh*t and no other fiat currencies and due to the nature of cryptos I thought it should be fine and I transferred some coins to my account, I was wrong!
After a while I received an e-mail form Polonix telling me that I'm banned because of my nationality blah, blah ... for a few days my coins where stuck there and after some harsh statements, threatening them to go public and  starting a topic here in bitcointalk they freed my deposit manually (yet a fraction of the coins remained unresolved) ....

Bittrex story:
With that background, I've become more cautious. So, when decided to use Bittrex, I firstly, sent an e-mail and asked them to disclose their policy about Iranian citizens and whether they apply any discrimination against us or not. After a while they answered briefly: Bittrex welcomes everyone and has no restriction or discrimination applicable to Iranians. Good, I signed up and started to trade on Bittrex, so far so good ...

After a while I noticed this shitty exchange, Bittrex, in the most critical periods, sets my wallets(some of them) in the maintenance mode, I objected and they answered denying any bad intentions ....

Now it is happening much more aggressively, again in a critical time: They have set my account to a 'disabled' status and practically blocked my access to my coins! Why? They say it is routine and they need a selfie , blah, blah ...

Believe it? I'm pretty sure they are nothing more than some greedy  thieves... I have already uploaded enough documents and photos and if there was anything wrong or insufficient how is it possible I have passed the 'enhanced account' examinations? and even in that case, they had to contact me politely asking for it, instead of locking me out, sending me stupid, bot-generated meaningless messages!

I have never traded fiat currencies using this shitty exchange , occasionally have traded btc/eth , btc/bch pairs or alike, in very low volumes. So nobody can accuse me as a subject of AML investigations or threatening holly Israel by financing Hezbollah or other stupid political accusations.
I don't run silk road and I hate denying my identity or using fake ones. I'm proud of what and who and from where I am.

I assure you guys, there is absolutely nothing wrong here other than the shitty exchange, Bittrex, That is playing with people deposits to make a fortune for itself.

Bytheway, their support has been practically dead in last few days and just a stupid bot sends me meaningless messages in response to my tickets!

I know, you guys are mostly protected by your fancy passports and strong civil society, unlike me,  but they will come to you as well, I promise, these shitty centralized exchanges are inherently dangerous for the ecosystem, we need a strong peer-to-peer protocol, I strongly believe.

And one more thing: They have blocked my access to my own funds. It is not too much but but enough not to let go or to giveaway to thieves, so guys:
 please post a reply here and show them, being centralized or not,  they are being watched and will be judged

Thank you!