# ARA & USDR Relationship&#x20;

According to the **4:1 relationship** of the gold standard; those who hold $ARA can mint $USDR on the chain themselves. That is to say, **$ARA worth 100U can mint $USDR worth 25U, which is equivalent to 400% overcollateralization**. In addition users can stake $ARA and mint to obtain $USDR tokens. This is the only circulation medium of the DEGA application platform.

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