Hit BTC exchange announced that now users have to pay a fixed fee for bitcoin deposits to platform. This new fee will be deducted from the total incoming amount and will be 0.0003 BTC. So, if your deposit is equal or lower, than there is no point to try, because company warns, that all the amount will be accounted as a commission and there will be no refunds in such cases.
Such unfortunate circumstances arose from the all-time high network fees, so concerns about other exchanges implementing something along those lines are more than justified. For example, Bitpay already tried closing transactions of $100 or less, judging them to be uneconomical and impractical. Of course, the community pressured them to restore functionality, but who knows, for how long it would hold?
All this drama takes root in one problem – increased popularity of Bitcoin caused increased demand for processing. And the mempool continues to be boggled down with over hundred thousand unconfirmed transactions at any given time. So, no wonder that transaction fees had hit a new high recently with $37 payment to have transaction mined in three blocks on 12/21/17, and today, on 12/26/17 it just slightly dropped down to $28 to rush the queue.