Hello, when depositing fiat currency, you need to provide proof of legal income.
Common proof documents include:
- Employment Contract: Showing your employment relationship and source of income.
- Tax Certificate: Such as recent tax returns, proving that your income has been taxed according to law.
- Brokerage Withdrawal Records: Screenshots showing your fund withdrawal records from securities accounts.
Please provide the appropriate proof documents based on your actual situation to ensure the legality of your fund sources.