How to earn more coins in this app?

Could you elaborate on the strategies one could adopt to maximize their earnings of coins within this particular cryptocurrency app? Are there any specific tasks or activities that reward users with a higher yield? Perhaps there are certain levels or achievements that unlock higher earning potential? Additionally, are there any investment opportunities or staking features that allow users to grow their coin holdings over time? I'm interested in understanding the most effective methods to accumulate coins efficiently within this app.