The deposit doesn't need to be paid, it's just proof of funds. Generally, if freezing is needed, it will only be frozen for a short period of time. After the formalities are completed, the specific proof method can be thawed. Go straight to the bank and let them prove that it will be held at the bank. If notarization is needed, bring the bank's certificate to notarization.
If it is a salary certificate, it is to find a unit to open, and it needs justice to be notarized.
Simply put, the so-called deposit is proof that you have enough money to supply your expenses during your stay abroad.
For example, studying abroad generally requires adequate tuition and living expenses, which will vary according to the country and school.