From 9939c0af4b7f9ab3868cef88378d2f284bbd12d9 Mon Sep 17 00:00:00 2001
From: fria <138676274+friadev@users.noreply.github.com>
Date: Mon, 24 Mar 2025 11:14:39 -0500
Subject: [PATCH] add communication

---
 blog/posts/privacy-pass.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/blog/posts/privacy-pass.md b/blog/posts/privacy-pass.md
index dba01ef0..266e4171 100644
--- a/blog/posts/privacy-pass.md
+++ b/blog/posts/privacy-pass.md
@@ -54,7 +54,15 @@ How do we ensure the psuedonyms can't be linked together? We already use cryptog
 
 ## Types of Transactions
 
-### 
+Chaum highlights three areas where this technology can be utilized.
+
+### Communication
+
+While current cryptographic techniques protect the content of our communications, metadata about who is contacting who is still mostly unprotected. 
+
+Personal information such as home addresses, names, and SSN are collected by telecommunication companies and can be used in combination with information about who contacts who to paint a very detailed picture of a person's social web and their activities over time. Chaum calls this data "tracing information".
+
+
 
 ## Problems