# Energy

Energy is required to start a workout and is paid out daily based on a user’s rank, and is required in single mode challenges, but is not required to participate in group and team challenges. Energy can also be gained by watching ads, but also through power-ups and referrals. If a user brings in more friends to the app, they can replenish their energy levels faster, increasing adoption of the project. Below we have added a table explaining how Energy can be used, depending on the type of workout. As seen, lower ranks are only allowed to train for a maximum of 45 to 60 minutes a day, meaning that they could train once or twice. As you grow throughout the ranks, users are allowed to train up to twice a day, thus yielding maximum rewards.

<figure><img src="/files/WCixcWeBaNvbTyU4x2WM" alt=""><figcaption><p>Energy levels per NFT rank.</p></figcaption></figure>


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