Every time you spend with an activated payment method, Round -up rounds up your purchase to the next dollar and invests that spare change into Donut so that it can begin earning APY through DeFi. All spare change is first added to your Round-up ring. Once your Round-up ring fills up with $10 of spare change, Donut will deposit $10 from your default bank account and start filling a new Round-up ring automatically.

To round up spare change faster you can activate multiple cards or payment methods for Round-up, or increase your multiplier to 2x, 5x, or 10x.

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