I can give you an example out of personal experience: I transferred similar numbers from a Dutch bank to a Spanish one - this is still EU mind you - and as a result my Spanish account (including those funds) got frozen pending "anti terrorism and money laundering" (tax) investigation. Only after I could prove the origin of those funds and all subsequent tax had been paid has the account been released.
for a transfer between two accounts in your own name? damn. if it's a self-transfer between two licensed banks, where is the supposed money laundering risk?!
at least if the OP is correct about serbian law---that there are no taxes due on cashing out crypto---then even if that happens, the money should be eventually cleared. this is a case in point for why bitcoin is superior to fiat banking though.
