diff --git a/content/notes/18-processes-sharing-and-threads.md b/content/notes/18-processes-sharing-and-threads.md
index cb2ad5d86..a51719cad 100644
--- a/content/notes/18-processes-sharing-and-threads.md
+++ b/content/notes/18-processes-sharing-and-threads.md
@@ -4,8 +4,8 @@ aliases:
 tags: 
 - cosc204
 - lecture
-sr-due: 2022-11-16
-sr-interval: 15
+sr-due: 2022-12-21
+sr-interval: 35
 sr-ease: 230
 ---
 
diff --git a/content/notes/think-writing.md b/content/notes/think-writing.md
index c0e686d95..1255f64f3 100644
--- a/content/notes/think-writing.md
+++ b/content/notes/think-writing.md
@@ -14,4 +14,8 @@ From the abstract - "closed blockchains are considered by some to be insufficien
 
 "closed blockchain system that encodes voting rules about self-governance" - this will allow users to come and go at will - to a degree. There must be some limiting factor because otherwise this is just an open blockchain.
 
-I need to lower my expectation for the rate of progess I think. If I can establish a clear goal by the end of the week I will be happy. 
\ No newline at end of file
+I need to lower my expectation for the rate of progess I think. If I can establish a clear goal by the end of the week I will be happy. 
+
+16/11
+
+so is it a closed blockchain with a set number of participants (or a set of requirements for participants?) who can join (what does join mean in this context) and leave at will. How are all the different companies on the same blockchain.