diff --git a/README.md b/README.md
index 34071cc..bbc718c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
# Crux
+
+
Data privacy for Quorum.
Crux is a secure enclave for Quorum written in Golang.
@@ -79,6 +81,10 @@ demonstrated below.
![Read Transaction Sequence](./docs/read-tx.svg)
+## Logical architecture
+
+![Logical architecture](https://github.com/blk-io/crux/docs/quorum-architecture.png)
+
## Why Crux?
*Crux is a constellation located in the southern sky in a bright portion of the Milky Way. It is
diff --git a/docs/quorum-architecture.png b/docs/quorum-architecture.png
new file mode 100644
index 0000000..c6c2fe4
Binary files /dev/null and b/docs/quorum-architecture.png differ
diff --git a/docs/quorum-architecture.xml b/docs/quorum-architecture.xml
new file mode 100644
index 0000000..1b5c87e
--- /dev/null
+++ b/docs/quorum-architecture.xml
@@ -0,0 +1 @@
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
\ No newline at end of file