added the blockchain project, Factom
diff --git a/GoUsers.md b/GoUsers.md
index 3eaaf35..2c26c89 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -50,6 +50,7 @@
* [Embedly](http://embed.ly) - [blog](http://blog.embed.ly/post/45149878472/167857590)
* [ErrPlane](http://www.errplane.com) - [blog](http://techcrunch.com/2013/03/18/errplane-performance-monitoring-and-alert-service-for-web-apps/)
* [Facebook](https://facebook.com) - [github](https://github.com/facebookgo/), [blog](http://blog.parse.com/learn/how-we-moved-our-api-from-ruby-to-go-and-saved-our-sanity/)
+ * [Factom](http://www.factom.org) - [github](https://github.com/FactomProject)
* [Foize](https://www.foize.com) - [github](https://github.com/foize/)
* [Flipboard](http://www.flipboard.com) - [source (job post)](https://news.ycombinator.com/item?id=6140956)
* [Gengo](http://www.gengo.com) - [blog](http://blog.gengo.com/go-gengo/)
