diff --git a/readme.md b/readme.md
index c649fec..9ef38f1 100644
--- a/readme.md
+++ b/readme.md
@@ -42,16 +42,12 @@ flowchart TB
 ## Proof of Uptime Flow
 
 ```mermaid
-sequenceDiagram
-    participant Probe
-    participant Base Blockchain
-    participant IPFS
-    participant Client
+flowchart TD
+    Probe -->|Publishes observation hash (15 min interval)| Base_Blockchain
+    Probe -->|Uploads logs/evidence| IPFS
+    Client -->|Verifies uptime proof| Base_Blockchain
+    Client -->|Consults logs if needed| IPFS
 
-    Probe->>Base Blockchain: Publishes observation hash (15 min interval)
-    Probe->>IPFS: Upload logs/evidence
-    Client->>Base Blockchain: Verifies uptime proof
-    Client->>IPFS: Consults logs if needed
 ```
 
 ## Obsero Points Economic Model