Question about level system :3 plz i need to know >.<

[Rococonut]

do we only get our gold once? like when we reach let me say level 3 you get the gold for that level but when we reach level 4 we don't get anything anymore

or for every level we reach we get the gold? like level 1 we get the gold then level 2 we get the gold for that?

._.

please and thank you heart