diff --git a/README.md b/README.md
index bd2dd9e..9c6e730 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,10 @@ WARNING : this is NON AUDITED code. Use on testnet or with extreme caution.
 
 The project use the truffle framework (http://truffleframework.com/)
 
+## Versioning
+
+The project follows Semantic Versioning 2.0.0 : see https://semver.org/
+
 ## How to run tests :
 
 ### 1. install truffle :
diff --git a/contracts/RougeFactory.sol b/contracts/RougeFactory.sol
index 0f5d4bd..0791299 100644
--- a/contracts/RougeFactory.sol
+++ b/contracts/RougeFactory.sol
@@ -14,7 +14,7 @@ import "./RougeRegistry.sol";
 
 contract RougeFactory is RougeRegistry {
     
-    bytes8 public version = '0.10';
+    bytes8 public version = '0.11.0';
 
     // The Rouge Token contract address
     RGETokenInterface public rge;
diff --git a/contracts/SimpleRougeCampaign.sol b/contracts/SimpleRougeCampaign.sol
index e21f2ee..c216b08 100644
--- a/contracts/SimpleRougeCampaign.sol
+++ b/contracts/SimpleRougeCampaign.sol
@@ -12,7 +12,7 @@ import "./RougeFactoryInterface.sol";
 
 contract SimpleRougeCampaign {
 
-    bytes8 public version = '0.10';
+    bytes8 public version = '0.11.0';
 
     // The Rouge Token contract address
     RGETokenInterface public rge;
@@ -44,7 +44,7 @@ contract SimpleRougeCampaign {
         factory = RougeFactoryInterface(_factory);
     }
 
-    enum Authorization { Acquisition, Redemption }
+    enum Authorization { Issuance, Acquisition, Redemption }
 
     mapping (address => mapping (uint => bool)) public canAuthorize;
 
@@ -113,9 +113,9 @@ contract SimpleRougeCampaign {
         _;
     }
     
-    mapping (address => bool) acquisitionRegister;
+    mapping (address => bool) public acquisitionRegister;
     
-    function hasNote(address _bearer) constant public returns (bool yes) {
+    function hasNote(address _bearer) public view returns (bool yes) {
         require(_bearer != issuer);             /* RULE issuer and bearer need to be diffrent */
         return acquisitionRegister[_bearer];
     }
@@ -161,18 +161,17 @@ contract SimpleRougeCampaign {
         acquisitionRegister[_to] = true;
     }
 
-    mapping (address => bool) redemptionRegister;
+    mapping (address => bool) public redemptionRegister;
 
-    function hasRedeemed(address _bearer) constant public returns (bool yes) {
-        require(_bearer != issuer);
-        require(hasNote(_bearer));
+    function hasRedeemed(address _bearer) public view returns (bool yes) {
+        /* require(_bearer != issuer); already tested with hasNote */
         return redemptionRegister[_bearer];
     }
 
     event Redemption(address indexed bearer);
 
     function redemption(address _bearer) CampaignOpen private returns (bool success) {
-        require(_bearer != issuer); 
+        require(hasNote(_bearer));
         require(!hasRedeemed(_bearer));
         redeemed += 1;
         redemptionRegister[_bearer] = true;
diff --git a/truffle.js b/truffle.js
index 2100a2e..e50b1f8 100644
--- a/truffle.js
+++ b/truffle.js
@@ -1,9 +1,14 @@
 module.exports = {
   networks: {
-    // development: {
+    // local: {
     //   host: "localhost",
     //   port: 8545,
     //   network_id: "*" // Match any network id
-    // }
+    // },
+    sokol: {
+      host: " https://sokol-trace.poa.network", //https://sokol.poa.network",
+      port: 443,
+      network_id: "*" // Match any network id
+    }
   }
 };