I’ve sent my invite link to multiple friends. Do I know who has joined my Duo Deal?

You are not able to see who has viewed your Duo Deal invite. However, if a friend accepts your invite and buys together with you, you will know who that person is via your own Duo Deal progress page, as shown below.

For more details and guidance, please refer to the official Duo Deal guide. 

https://blidz.zendesk.com/hc/en-us/sections/360005177140-Duo-Deal-Official-Guide