Hello, Looking at your query we recommend using our LockOn - Restrict Store Application for your needs.
This app allows you to create multiple gift card codes that can be shared with your winners using email. You just need to assign a tag (e.g., “winner”) to these customers. When a winner tries to redeem their gift card, the app checks for the tag on their profile. If the tag is present, the code can be redeemed; otherwise, it cannot.
This prevents winners from sharing their codes with others. Additionally, you can set codes for specific products and ensure each code can be redeemed only once through our application.
Feel free to connect with us through the app to learn more about how it works within your workflow.