$30 for signing up to uBank (+ 5 no minimum transactions - read comments for an easy method). Use referral code 2WM3BKY [Australia]

ubank is an Australian digital bank, it’s owned by NAB (National Australia Bank) and works seamlessly with Google & Apple Pay.

1. Get the ubank app https://www.ubank.com.au/mobile-banking-app 
2. Register using this invite code: 2WM3BKY 
3. Verify your Identity
4. Add your new card to your phone or wait for your free physical card in the mail 
5. Make 5 transactions within 30 days - There's no minimum spend, so you can even do five lots of 1c on your next grocery shop using the “mixed payment” option at checkout

Your free bonus cash reward comes in a couple business days later!

Invite referral code: 2WM3BKY