Inorder to avoid fake orders, do you have a system to verify COD orders by way of entering OTP's at the time of placing orders ?

StoreHippo does provide an option of OTP so as to avoid fake orders. This will include an extra step for the user to first verify his mobile number or email ID before confirming his order. For more information kindly follow the link below:

https://help.storehippo.com/topic/setup-payment-methods