# Common Issues

- [What is USDC Bonus?](/futures-trade/common-issues/what-is-usdc-bonus.md)
- [How to Use USDC Bonus?](/futures-trade/common-issues/how-to-use-usdc-bonus.md)
- [Does USDC Bonus Have an Expiration Date?](/futures-trade/common-issues/does-usdc-bonus-have-an-expiration-date.md)
- [How to Earn Profits with Market Battle?](/futures-trade/common-issues/how-to-earn-profits-with-market-battle.md)
- [How to Earn Profits with Trend Trade?](/futures-trade/common-issues/how-to-earn-profits-with-trend-trade.md)