In Episode I, Anakin Skywalker wins the Boonta Eve Classic podrace, which we’ve discussed before. Following the race, he and Qui-Gon sell his podracer, go home to mom, and Ani exclaims, “look at all the money we have!” Here’s the thing – the money Anakin hands her appears to be a stack of Republic credits.
On his way out of town (in a deleted scene), he also gives his old friend Jira her own stack of Republic credits:
Living History in the Star Wars Galaxy 