13
votes
1answer
244 views
+100

Is there any evidence misusing the HTTP Pragma header in responses has any effect?

I've been investigating the Pragma header, since there are already two other cache-busting HTTP response headers (Cache-Control & Expires), and I was interested in which browsers use(d) the old ...
4
votes
2answers
197 views
+100

How can I explain “zero knowledge proof” to an end user?

A ZKP allows proof of knowing the answer to a secret, without actually disclosing what that answer is. Is there any analogy that can help people put this concept into everyday practice? A "lie to ...