diff --git a/node/src/chain_spec/gdev.rs b/node/src/chain_spec/gdev.rs
index 780cfb188f6c617e3f5629cabdbf57c1505a3d9d..04ede2da9e6963f8f25cdf4ee69612ebeacc839c 100644
--- a/node/src/chain_spec/gdev.rs
+++ b/node/src/chain_spec/gdev.rs
@@ -98,8 +98,10 @@ pub fn development_chain_spec() -> Result<ChainSpec, String> {
             Some(get_authority_keys_from_seed("Alice").encode()),
             Some(super::gen_genesis_data::ParamsAppliedAtGenesis {
                 genesis_certs_expire_on: 100_000,
-                genesis_smith_certs_expire_on: 100_000,
+                genesis_certs_min_received: 2,
                 genesis_memberships_expire_on: 100_000,
+                genesis_smith_certs_expire_on: 100_000,
+                genesis_smith_certs_min_received: 2,
                 genesis_smith_memberships_expire_on: 100_000,
             }),
         )
@@ -163,9 +165,15 @@ pub fn gen_live_conf() -> Result<ChainSpec, String> {
                 // Bootnodes
                 vec![],
                 // Telemetry
-                None,
+                Some(
+                    sc_service::config::TelemetryEndpoints::new(vec![(
+                        "wss://telemetry.polkadot.io/submit/".to_owned(),
+                        0,
+                    )])
+                    .expect("invalid telemetry endpoints"),
+                ),
                 // Protocol ID
-                None,
+                Some("gdev2"),
                 //Fork ID
                 None,
                 // Properties
@@ -184,10 +192,12 @@ pub fn gen_live_conf() -> Result<ChainSpec, String> {
         },
         None,
         Some(super::gen_genesis_data::ParamsAppliedAtGenesis {
-            genesis_certs_expire_on: 100_000,
-            genesis_smith_certs_expire_on: 100_000,
-            genesis_memberships_expire_on: 100_000,
-            genesis_smith_memberships_expire_on: 100_000,
+            genesis_certs_expire_on: 2_102_400,
+            genesis_certs_min_received: 3,
+            genesis_memberships_expire_on: 1_051_200,
+            genesis_smith_certs_expire_on: 2_102_400,
+            genesis_smith_certs_min_received: 3,
+            genesis_smith_memberships_expire_on: 1_051_200,
         }),
     )
 }
diff --git a/node/src/chain_spec/gen_genesis_data.rs b/node/src/chain_spec/gen_genesis_data.rs
index 5b46cc55f7cfa1be43dcdeef2db068ec6729c0f9..fccfe574c647f4cfe13f4e27be00d25d2c182966 100644
--- a/node/src/chain_spec/gen_genesis_data.rs
+++ b/node/src/chain_spec/gen_genesis_data.rs
@@ -44,8 +44,10 @@ pub struct GenesisData<Parameters: DeserializeOwned, SessionKeys: Decode> {
 #[derive(Default)]
 pub struct ParamsAppliedAtGenesis {
     pub genesis_certs_expire_on: u32,
-    pub genesis_smith_certs_expire_on: u32,
+    pub genesis_certs_min_received: u32,
     pub genesis_memberships_expire_on: u32,
+    pub genesis_smith_certs_expire_on: u32,
+    pub genesis_smith_certs_min_received: u32,
     pub genesis_smith_memberships_expire_on: u32,
 }
 
@@ -94,8 +96,10 @@ where
 {
     let ParamsAppliedAtGenesis {
         genesis_certs_expire_on,
-        genesis_smith_certs_expire_on,
+        genesis_certs_min_received,
         genesis_memberships_expire_on,
+        genesis_smith_certs_expire_on,
+        genesis_smith_certs_min_received,
         genesis_smith_memberships_expire_on,
     } = params_applied_at_genesis.unwrap_or_default();
 
@@ -238,6 +242,18 @@ where
         certs_by_receiver.insert(*issuer_index, receiver_certs);
     }
 
+    // Verify certifications coherence
+    for (idty_index, receiver_certs) in &certs_by_receiver {
+        if receiver_certs.len() < genesis_certs_min_received as usize {
+            return Err(format!(
+                "Identity n°{} has received only {}/{} certifications)",
+                idty_index,
+                receiver_certs.len(),
+                genesis_certs_min_received
+            ));
+        }
+    }
+
     // SMITHS SUB-WOT //
 
     let mut initial_authorities = BTreeMap::new();
@@ -316,6 +332,24 @@ where
         );
     }
 
+    // Verify smiths certifications coherence
+    if smiths_certs_by_receiver.len() < smiths_memberships.len() {
+        return Err(format!(
+            "{} smith identities has not received any smiths certifications",
+            smiths_memberships.len() - smiths_certs_by_receiver.len()
+        ));
+    }
+    for (idty_index, receiver_certs) in &smiths_certs_by_receiver {
+        if receiver_certs.len() < genesis_smith_certs_min_received as usize {
+            return Err(format!(
+                "Identity n°{} has received only {}/{} smiths certifications)",
+                idty_index,
+                receiver_certs.len(),
+                genesis_smith_certs_min_received
+            ));
+        }
+    }
+
     if maybe_force_authority.is_none() && online_authorities_counter == 0 {
         return Err("The session_keys field must be filled in for at least one smith.".to_owned());
     }
diff --git a/resources/gdev.json b/resources/gdev.json
index 02be64086a38d9edc89412cfb820cbc0105c18c3..ea5d8bb38a3b2f7f5cd69a6c6dc1574472f470d0 100644
--- a/resources/gdev.json
+++ b/resources/gdev.json
@@ -20,6 +20,11 @@
       ],
       "pubkey": "5H95G8bwuf4yyNNNa83hDhj7wpYaSRhZiGezZ9TDbyqNdAhY"
     },
+    "Elois2": {
+      "balance": 10000,
+      "certs": ["tuxmain", "Elois", "HugoTrentesaux"],
+      "pubkey": "5GFEEx7kqvP4QEPCAXkALeYCG7m8DiA5LQ4YzW62j7FytQyg"
+    },
     "poka": {
       "balance": 10000,
       "certs": ["cgeek", "vit", "tuxmain", "Elois", "HugoTrentesaux"],
@@ -136,7 +141,7 @@
     "babe_epoch_duration": 600,
     "cert_period": 14400,
     "cert_max_by_issuer": 100,
-    "cert_min_received_cert_to_issue_cert": 5,
+    "cert_min_received_cert_to_issue_cert": 3,
     "cert_validity_period": 2102400,
     "idty_confirm_period": 14400,
     "idty_creation_period": 14400,
@@ -145,7 +150,7 @@
     "ud_creation_period": 14400,
     "ud_reeval_period": 100800,
     "smith_cert_period": 14400,
-    "smith_cert_max_by_issuer": 12,
+    "smith_cert_max_by_issuer": 15,
     "smith_cert_min_received_cert_to_issue_cert": 3,
     "smith_cert_validity_period": 2102400,
     "smith_membership_period": 1051200,
@@ -153,13 +158,16 @@
     "smiths_wot_first_cert_issuable_on": 14400,
     "smiths_wot_min_cert_for_membership": 3,
     "wot_first_cert_issuable_on": 0,
-    "wot_min_cert_for_create_idty_right": 5,
-    "wot_min_cert_for_membership": 5
+    "wot_min_cert_for_create_idty_right": 3,
+    "wot_min_cert_for_membership": 3
   },
   "smiths": {
     "Elois": {
       "certs": ["poka", "cgeek", "vit", "tuxmain", "HugoTrentesaux", "kapis"],
-      "session_keys": "0xb67db3acc0ec68327e9e258aa5247a0f504616142ecb445c2540b9bdb223b5bea0beb8d9dea455ad5591961c868e59e0760e6e819a85c89ea7cbb527a0944241a0beb8d9dea455ad5591961c868e59e0760e6e819a85c89ea7cbb527a0944241a0beb8d9dea455ad5591961c868e59e0760e6e819a85c89ea7cbb527a0944241"
+      "session_keys": "0x92743b12d55242276539d7256951cdfda85371caefbd325396da9331011b737d14084d2537f77e786a75b9bcbe351051fad52946ec211724b5e8c93bb8aa7a6f14084d2537f77e786a75b9bcbe351051fad52946ec211724b5e8c93bb8aa7a6f14084d2537f77e786a75b9bcbe351051fad52946ec211724b5e8c93bb8aa7a6f"
+    },
+    "Elois2": {
+      "certs": ["tuxmain", "Elois", "HugoTrentesaux"]
     },
     "poka": {
       "certs": ["cgeek", "vit", "tuxmain", "Elois", "HugoTrentesaux"]
@@ -183,6 +191,6 @@
       "certs": ["Elois","tuxmain","HugoTrentesaux"]
     }
   },
-  "sudo_key": "5Co5AWcBiz4HaAEpu8BxLdghnCob89rFGU5yQ65WP3t2jsyB",
+  "sudo_key": "5Hm8sBbwuLAU99dBezvgtnRmZCrUy9mhqmbQMFyGTaeATYg7",
   "technical_committee": ["Elois", "cgeek", "tuxmain", "HugoTrentesaux"]
 }
diff --git a/scripts/create-live-network.sh b/scripts/create-live-network.sh
index 594969079ebe89beb6f6ba7c1d94d26ab02921a1..446937ba29ed3889e8afc80746e1558e257002dc 100755
--- a/scripts/create-live-network.sh
+++ b/scripts/create-live-network.sh
@@ -22,7 +22,7 @@ SPEC_DIR="${4:-resources}"
 echo "CURRENCY=$CURRENCY"
 
 # constants
-DUNITER_IMAGE_TAG="sha-68fd7b3a"
+DUNITER_IMAGE_TAG="debug-sha-ae65f879"
 
 # Clean and (re-)create working forders
 rm -rf $WORK_DIR