Yeah I was disappointed a bit by COSS exchange, lagging site, exchange loading takes time, and exchange UI is not lightweight also, that's why I said that. They should make it lightweight like Binance or Kucoin then it can beat Binance.

Can anyone help me here?  Have searched for the answer but have had no luck.

You need to go through some steps to attach your MEW to the fee split thing. There are instructions in the COSS exchange itself. I just hold them all on the exchange as it is easier and just have 2FA on my account so that way I have extra safely layers in place. COSS is adding a ton of trading promos right now and one will be worth one million dollars, so I expect some nice volume to come form those. Volume is moving up nicely and this week's fee split for me was the biggest so far and it was a nice chunk of change to boot, so I can really see the potential when COSS volume goes x 10 from here. 

the COSS project will certainly develop as the number of customers and traders entering the COSS market continues to grow, and currently has 150 stores and more than 1000 users.

https://etherscan.io/tx/0x827151f3b483fa39d82764b7219e088562daae5d5594bc1693453558156ce7c9
I want the coin to be on this exchange.
But for 4 hours the coin did not reach the stock exchange!
Even in history it's empty!

Is this exchange a scam?

No, not a scam, i think they disabled ERC20 tokens deposit & withdrawals for a time, seems now these are back again.
I get this message when i try to deposit ETH: "Ether and Etheruem ERC20 tokens deposit and withdrawals are now available."

Dear sir, this bounty is end? otherwise i can join this bounty ?

Nice buy support is rising for COSS, which means now the price will grow organically upwards as people see the potential of the volume growing over time and earning from the FEE SPLITS. I saw nw a whale has put in a massive buy order for 150k COSS, that's huge and almost one and a half times my whole COSS BAG lol. There is also now a new trading promo for the top 50 traders of Tigerium token and I just joined in as well and bought my first Tigereum bag and am hoping to end up at least in the top 40 to be able to win a prize! I also am doing the VEZT AND NOX trading promos too and hoping to land up in the top 20 in those but I got stiff competition lol. 

Exchange support is not responding!
More than a day passed, and the coins did not reach my wallet on the stock exchange!