Oh yes... multiple times, and following a suggestion found on another thread, I even sent them a support ticket in russian (using google translate).

No reply so far except from the very first ticket to which they replied "check your transaction".

Thanks for your wishes though :-)

Thanks everyone for your replies.

No, I didn't take a screenshot of the first generated address - something wise indeed to do with a sizeable transaction, but it never occurred to me.

When I decided to send another 0.1 transaction, my rationale for it was - if this small transaction also is not credited, then their ETH network is just congested. But unfortunately, a new ETH address was generated as soon as I opened the wallet again.

The new transaction (the one that succeeded), just for reference, is this one:
0x791e76c8f10d6592d17686529349b358a73b7474e39ce5cbdae25b8174971403

Now - could I have made an error? Possible (although unlikely, I obviously copy/paste addresses when making transactions).

But what are the chances that I would randomly select a newly created, valid, never used ETH address?

In any case, I think my request makes sense: YoBit has the private key for the generated addresses, so I'm just asking that they check whether the address I sent the ETH to matches their private key.

But they have never agreed to do that.

I need a bittrex account. Who want to sell please let me know. I buy 0.005 btc.btc.email me.  marcellaignatius@gmail.com