This is a great find. Thank you very much kind internet stranger

Sure you can only determine if “user is of age or not” with zero knowledge proof. But collect enough proof and statistics can de anonymize that anyway. How is no one addressing that?

Cloudflare workers provide a good free tier

It depends on what you want to do. I myself use hostinger to host my NodeJS app. The downside is nodejs are only supported on their business tier web host. To be fair, it is more appealing than VPS with the same price for the infinite bandwidth alone

Whoops, my bad. I didn’t see the need for it to be free