On the BitcoinBlink platform, all BUYS, SELLS, DEPOSITS, and WITHDRAWALS are final and cannot be changed.
This is how blockchain works and it is beyond our control!
(Once a transaction happen, a block is confirmed and it cannot be altered in any way)
Make sure that you double-check every time what you are doing to avoid any problem with your funds.
Make sure that you have the correct address for Deposit and Withdrawal.
Make sure that you enter the correct amount for Buy and Sell.