diff --git a/ansible/playbooks/deploy-nodes.yml b/ansible/playbooks/deploy-nodes.yml
index 704a4a1..f89610a 100644
--- a/ansible/playbooks/deploy-nodes.yml
+++ b/ansible/playbooks/deploy-nodes.yml
@@ -2,6 +2,13 @@
 # Deploy nodes playbook: Deploy and manage Lean nodes
 # Requires node_names to be specified (comma or space separated)
 # This playbook runs on localhost to parse node names, then deploys to remote hosts
+#
+# Before deployment, it syncs essential config files from local to remote:
+#   - validator-config.yaml
+#   - node key files (*.key)
+#   - config.yaml, validators.yaml, nodes.yaml
+#   - genesis.ssz, genesis.json
+#   - hash-sig-keys/ directory (if exists, for qlean nodes)
 
 - name: Parse and validate node names
   hosts: localhost
@@ -82,6 +89,11 @@
         groups: deployment_targets
       loop: "{{ deploy_nodes }}"
 
+    - name: Store local genesis dir for remote plays
+      set_fact:
+        local_genesis_dir_path: "{{ genesis_dir }}"
+        cacheable: yes
+
 - name: Deploy nodes on remote hosts
   hosts: deployment_targets
   gather_facts: yes
@@ -92,8 +104,85 @@
     validator_config_file: "{{ genesis_dir }}/validator-config.yaml"
     # node_name is set to inventory_hostname (which matches the node name)
     node_name: "{{ inventory_hostname }}"
+    # Local genesis directory for syncing config files (from localhost play)
+    local_genesis_dir: "{{ hostvars['localhost']['local_genesis_dir_path'] }}"
 
   tasks:
+    - name: Create remote genesis directory
+      file:
+        path: "{{ genesis_dir }}"
+        state: directory
+        mode: '0755'
+      tags:
+        - deploy
+        - sync
+
+    - name: Sync validator-config.yaml to remote host
+      copy:
+        src: "{{ local_genesis_dir }}/validator-config.yaml"
+        dest: "{{ genesis_dir }}/validator-config.yaml"
+        mode: '0644'
+        force: yes
+      tags:
+        - deploy
+        - sync
+
+    - name: Sync node key file to remote host
+      copy:
+        src: "{{ local_genesis_dir }}/{{ node_name }}.key"
+        dest: "{{ genesis_dir }}/{{ node_name }}.key"
+        mode: '0600'
+        force: yes
+      tags:
+        - deploy
+        - sync
+
+    - name: Sync essential genesis config files
+      copy:
+        src: "{{ local_genesis_dir }}/{{ item }}"
+        dest: "{{ genesis_dir }}/{{ item }}"
+        mode: '0644'
+        force: yes
+      loop:
+        - config.yaml
+        - validators.yaml
+        - nodes.yaml
+        - genesis.ssz
+        - genesis.json
+      tags:
+        - deploy
+        - sync
+
+    - name: Check if hash-sig-keys directory exists locally
+      stat:
+        path: "{{ local_genesis_dir }}/hash-sig-keys"
+      register: hash_sig_keys_local
+      delegate_to: localhost
+      tags:
+        - deploy
+        - sync
+
+    - name: Create hash-sig-keys directory on remote
+      file:
+        path: "{{ genesis_dir }}/hash-sig-keys"
+        state: directory
+        mode: '0755'
+      when: hash_sig_keys_local.stat.exists
+      tags:
+        - deploy
+        - sync
+
+    - name: Sync hash-sig-keys directory (for qlean nodes)
+      copy:
+        src: "{{ local_genesis_dir }}/hash-sig-keys/"
+        dest: "{{ genesis_dir }}/hash-sig-keys/"
+        mode: '0644'
+        force: yes
+      when: hash_sig_keys_local.stat.exists
+      tags:
+        - deploy
+        - sync
+
     - name: Clean node data directory
       raw: rm -rf {{ data_dir }}/{{ node_name }}
       when:
diff --git a/ansible/playbooks/helpers/deploy-single-node.yml b/ansible/playbooks/helpers/deploy-single-node.yml
index 116a3e5..34f17f7 100644
--- a/ansible/playbooks/helpers/deploy-single-node.yml
+++ b/ansible/playbooks/helpers/deploy-single-node.yml
@@ -6,20 +6,22 @@
   set_fact:
     client_type: "{{ node_name.split('_')[0] }}"
 
-- name: Set validator config file path
+- name: Set validator config file paths
   set_fact:
     actual_validator_config_file: "{{ genesis_dir }}/validator-config.yaml"
+    local_validator_config_file: "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
 
-- name: Extract node configuration
+- name: Extract node configuration (from local config)
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .name" {{ actual_validator_config_file }}
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .name" {{ local_validator_config_file }}
   register: node_check
   changed_when: false
   failed_when: false
+  delegate_to: localhost
 
 - name: Fail if node not found in config
   fail:
-    msg: "Node '{{ node_name }}' not found in {{ actual_validator_config_file }}"
+    msg: "Node '{{ node_name }}' not found in {{ local_validator_config_file }}"
   when: node_check.stdout == "" or node_check.rc != 0
 
 - name: Set zeam validator config
diff --git a/ansible/roles/ethlambda/tasks/main.yml b/ansible/roles/ethlambda/tasks/main.yml
index cae6b0b..3fda6f8 100644
--- a/ansible/roles/ethlambda/tasks/main.yml
+++ b/ansible/roles/ethlambda/tasks/main.yml
@@ -31,9 +31,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: ethlambda_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - metricsPort
diff --git a/ansible/roles/grandine/tasks/main.yml b/ansible/roles/grandine/tasks/main.yml
index 3bdda8a..6c8060a 100644
--- a/ansible/roles/grandine/tasks/main.yml
+++ b/ansible/roles/grandine/tasks/main.yml
@@ -31,9 +31,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: grandine_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - privkey
diff --git a/ansible/roles/lantern/tasks/main.yml b/ansible/roles/lantern/tasks/main.yml
index 3920ad8..8f18357 100644
--- a/ansible/roles/lantern/tasks/main.yml
+++ b/ansible/roles/lantern/tasks/main.yml
@@ -30,9 +30,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: lantern_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - metricsPort
diff --git a/ansible/roles/lighthouse/tasks/main.yml b/ansible/roles/lighthouse/tasks/main.yml
index b00af77..7385715 100644
--- a/ansible/roles/lighthouse/tasks/main.yml
+++ b/ansible/roles/lighthouse/tasks/main.yml
@@ -30,9 +30,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: lighthouse_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - metricsPort
diff --git a/ansible/roles/qlean/tasks/main.yml b/ansible/roles/qlean/tasks/main.yml
index 69187cb..07579b7 100644
--- a/ansible/roles/qlean/tasks/main.yml
+++ b/ansible/roles/qlean/tasks/main.yml
@@ -30,9 +30,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: qlean_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - metricsPort
@@ -48,10 +49,11 @@
 
 - name: Extract validator index from validators.yaml
   shell: |
-    yq eval '."{{ node_name }}" | .[0]' "{{ genesis_dir }}/validators.yaml"
+    yq eval '."{{ node_name }}" | .[0]' "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validators.yaml"
   register: qlean_validator_index
   changed_when: false
   failed_when: false
+  delegate_to: localhost
 
 - name: Set validator index
   set_fact:
diff --git a/ansible/roles/ream/tasks/main.yml b/ansible/roles/ream/tasks/main.yml
index ba8ccbd..1810958 100644
--- a/ansible/roles/ream/tasks/main.yml
+++ b/ansible/roles/ream/tasks/main.yml
@@ -30,9 +30,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: ream_node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - enrFields.quic
     - metricsPort
diff --git a/ansible/roles/zeam/tasks/main.yml b/ansible/roles/zeam/tasks/main.yml
index 9f28fa4..74c0473 100644
--- a/ansible/roles/zeam/tasks/main.yml
+++ b/ansible/roles/zeam/tasks/main.yml
@@ -38,9 +38,10 @@
 
 - name: Extract node configuration from validator-config.yaml
   shell: |
-    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ genesis_dir }}/validator-config.yaml"
+    yq eval ".validators[] | select(.name == \"{{ node_name }}\") | .{{ item }}" "{{ hostvars['localhost']['local_genesis_dir_path'] }}/validator-config.yaml"
   register: node_config
   changed_when: false
+  delegate_to: localhost
   loop:
     - metricsPort
     - privkey
diff --git a/client-cmds/grandine-cmd.sh b/client-cmds/grandine-cmd.sh
index b8456a6..a2f1847 100644
--- a/client-cmds/grandine-cmd.sh
+++ b/client-cmds/grandine-cmd.sh
@@ -10,7 +10,7 @@ node_binary="$grandine_bin \
         --address 0.0.0.0 \
         --hash-sig-key-dir $configDir/hash-sig-keys"
 
-node_docker="sifrai/lean:unstable \
+node_docker="sifrai/lean:devnet-2 \
         --genesis /config/config.yaml \
         --validator-registry-path /config/validators.yaml \
         --bootnodes /config/nodes.yaml \
diff --git a/spin-node.sh b/spin-node.sh
index 8e512a6..898dae6 100755
--- a/spin-node.sh
+++ b/spin-node.sh
@@ -237,9 +237,14 @@ for item in "${spin_nodes[@]}"; do
   # create and/or cleanup datadirs
   itemDataDir="$dataDir/$item"
   mkdir -p $itemDataDir
-  cmd="sudo rm -rf $itemDataDir/*"
-  echo $cmd
-  eval $cmd
+  if [ -n "$cleanData" ]; then
+    cmd="rm -rf \"$itemDataDir\"/*"
+    if [ -n "$dockerWithSudo" ]; then
+      cmd="sudo $cmd"
+    fi
+    echo "$cmd"
+    eval "$cmd"
+  fi
 
   # parse validator-config.yaml for $item to load args values
   source parse-vc.sh