I'm transfering to that wallet because is an exchanger in my country and i recibe a payment for every transsaction at the end of the month.
Edit: And I thought that had a unique wallet for me, did not know that others were doing the same thing.
This doesn't make any sense. If you do not have a unique deposit address, how can this exchange credit your deposit to a unique account?
That's why of my edit, they give me a wallet and i do deposit there... like a primedice, i have the same deposit wallet every time when i check it.
And i decided to deposit directly to that wallet when the bitcoin prices started to go down, and if i do a deposit i recibe a money for the current price.