diff --git a/README.md b/README.md
index 4d14e17..edddfd7 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ This is the Labchain Open Sourced version.
 
 Labchain offers a way to securely exchange health records (but other kinds of transactions  are perfectly possible too)
 
-It runs on any ethereum-compatible network.
+It runs on any ethereum-compatible network. The original design ran on a Raspberry PI 3 with its own private Ethereum node.
 
 It sends transactions with IPFS hashes using web3js from node to node. 
 In this software two nodes are preconfigured. It sends a transaction to the other node with the ipfs hash for the encrypted
@@ -17,8 +17,18 @@ Installation instructions:
 Runs on any php enabled (linux) web server. Just drop the files in the /var/www/ directory
 For secure exchange of files ipfs is needed and some ports have to be opened.  Install via ipfs.io.
 
+For testing and creating accounts i use Geth command line (Go Ethereum)
+
+For example: 
+geth --ropsten --syncmode "light" console  --http 
+
+personal.newAccount("<YOUR PASS>") 
+
+Take the output and configure in app.js
+  
 Web3js is included, as well as Trezor login (not finalized yet).
-
-
-
-
+  
+  
+For this OS version we are using JS to push the hash from one node to the other. In the pro version (using Quorum infrastructure) a smart contract is used for interaction. Which is of course way safer and GDPR compliant.
+  
+