# Others & Academy

- [How to manage multiple merchant account](/faq/others-and-academy/how-to-manage-multiple-merchant-account.md)
- [How does the lock exchange rate of an order work and what happens when it is locked](/faq/others-and-academy/how-does-the-lock-exchange-rate-of-an-order-work-and-what-happens-when-it-is-locked.md)
- [What is the transaction under the category Other in the transaction records](/faq/others-and-academy/what-is-the-transaction-under-the-category-other-in-the-transaction-records.md)
- [Are there any regional restrictions on API use](/faq/others-and-academy/are-there-any-regional-restrictions-on-api-use.md)
- [What is a referral program?](/faq/others-and-academy/what-is-a-referral-program.md)
- [CCPayment ETH Testnet Tutorial](/faq/others-and-academy/ccpayment-eth-testnet-tutorial.md)
- [What is auto-swap for deposit?](/faq/others-and-academy/what-is-auto-swap-for-deposit.md): The auto-swap feature allows you to automatically convert various mainstream tokens received on this platform into stablecoins, reducing the risk of token price fluctuations.