diff --git a/content/notes/blockchain-project.md b/content/notes/blockchain-project.md
index 3a598aa17..b76b42301 100644
--- a/content/notes/blockchain-project.md
+++ b/content/notes/blockchain-project.md
@@ -64,6 +64,7 @@ Blockchain technology falls into two distinct classes: open (permissionless) blo
 - https://blog.dshr.org/2022/02/ee380-talk.html
 
 - https://www.mas.gov.sg/schemes-and-initiatives/project-ubin
+- https://pluralistic.net/2022/02/14/externalities/#dshr
 - https://www.apc.org/en/pubs/network-infrastructures-commons-model-local-participation-governance-and-sustainability
 - https://alastria.io/en/what-is-alastria/
 - https://www.lacchain.net