There is an exchange named wazirx, it has a initiative of rapid listing , in this rapid listing initiative we can trade in that paricular coin but we cant withdraw.
What happens in the Rapid Listing Initiative?
We will list tokens in our trading markets without enabling deposits and withdrawals.
It will ensure that you don’t miss out on opportunities to trade any of your favourite tokens.
Deposits — You won’t be able to deposit the token from another wallet to your WazirX wallet.
Trading — You will be able to buy, sell, trade the token in our USDT and BTC markets with absolute ease.
Withdrawals — You won’t be able to withdraw the token from your WazirX wallet. What you can do instead, is sell it in our USDT or BTC market