Dear banker,
Welcome to gringotts.Here you will have all your money safe.Ok so lets jump to rules.
R.1]In start you will be given start loan.Means You will get 50 galleons 30 knuts and 40 sickles
R.2]You will get money through quizzes and club activities.
R.3]You can only withdraw and deposit money.
Only bankers can go into your vault.[They will be announced very soon]
R.4]You have to tell your vault number in order to make your vault.
Hope you spend them carefully
Your man
Mohnnish