The argument about crawling is not a good one, a simple authentication mechanism, for instance with asymmetric key cryptography can address that problem. Along

The argument about crawling is not a good one, a simple authentication mechanism, for instance with asymmetric key cryptography can address that problem. Along those same lines, the internet can in fact have scalable information verification (age,height,income,sex...etc) with robust privacy: https://certisfy.com https://certisfy.com In other words, cryptographic certificates can solve this problem.