Nice 🙂 vouchers for marketing / on boarding ⚡ it's like delayed zaps 

How do you make sure a single user redeems once ? 🔂
 

 I am working on web of trust, it will take some time. 

 What? https://image.nostr.build/c85fe5621463b3c4cf174cf20b2610e1ca8a29eb7fa117dff51791d035e7c056.jpg  

 Cool, thanks 👍