If you log into your ThetaDrop account from a web browser, the "Challenges" button is right next to the Login button.
You can click on "Challenges" and follow the instructions.
Some Challenges examples are listed below.
If you use a mobile device to log into your ThetaDrop account, click on the Menu button to the left of ThetaDrop icon. You will see a drop-down menu, click on "Challenges", and follow the instructions.
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