diff --git a/docs/deployment/SETUP.md b/docs/deployment/SETUP.md
index 09d13e21..c5819da2 100644
--- a/docs/deployment/SETUP.md
+++ b/docs/deployment/SETUP.md
@@ -40,12 +40,19 @@ sudo ./setup.sh
      - `/etc/aitbc/` - Configuration files
    - Sets proper permissions and ownership
 
-5. **Systemd Services**
+5. **PostgreSQL Databases**
+   - Installs PostgreSQL if not present
+   - Creates databases: aitbc_coordinator, aitbc_exchange, aitbc_wallet, aitbc_marketplace, aitbc_governance, aitbc_trading, aitbc_gpu, aitbc_ai, aitbc_mempool
+   - Creates dedicated users for each database
+   - Grants necessary privileges
+   - Uses centralized script: `/opt/aitbc/infra/scripts/setup_postgresql_databases.sh`
+
+6. **Systemd Services**
    - Installs service files to `/etc/systemd/system/`
    - Enables auto-start on boot
    - Provides fallback manual startup
 
-6. **Service Management**
+7. **Service Management**
    - Creates `/opt/aitbc/start-services.sh` for manual control
    - Creates `/opt/aitbc/health-check.sh` for monitoring
    - Sets up logging to `/var/log/aitbc-*.log`
diff --git a/infra/scripts/setup_postgresql_databases.sh b/infra/scripts/setup_postgresql_databases.sh
index a2ac444f..20031aed 100755
--- a/infra/scripts/setup_postgresql_databases.sh
+++ b/infra/scripts/setup_postgresql_databases.sh
@@ -86,6 +86,7 @@ setup_database "aitbc_governance" "aitbc_governance"
 setup_database "aitbc_trading" "aitbc_trading"
 setup_database "aitbc_gpu" "aitbc_gpu"
 setup_database "aitbc_ai" "aitbc_ai"
+setup_database "aitbc_mempool" "aitbc_mempool"
 
 echo ""
 echo -e "${BLUE}=== Database Summary ===${NC}"
@@ -103,6 +104,7 @@ echo "  - aitbc_governance (user: aitbc_governance)"
 echo "  - aitbc_trading (user: aitbc_trading)"
 echo "  - aitbc_gpu (user: aitbc_gpu)"
 echo "  - aitbc_ai (user: aitbc_ai)"
+echo "  - aitbc_mempool (user: aitbc_mempool)"
 echo ""
 echo "To configure PostgreSQL for remote connections, run:"
 echo "  $0 --remote-configure [network-cidr]"
diff --git a/scripts/deployment/provision_node.sh b/scripts/deployment/provision_node.sh
index 5c5521e9..d5991a63 100755
--- a/scripts/deployment/provision_node.sh
+++ b/scripts/deployment/provision_node.sh
@@ -10,7 +10,7 @@ fi
 echo "Provisioning node: $NODE_NAME"
 
 # Install dependencies
-apt update && apt install -y python3 python3-venv redis-server
+apt update && apt install -y python3 python3-venv redis-server postgresql postgresql-contrib
 
 # Setup directories
 mkdir -p /var/lib/aitbc/{data,keystore}
@@ -25,6 +25,12 @@ scp aitbc1:/opt/aitbc/aitbc-cli-final /opt/aitbc/
 cd /opt/aitbc
 git pull origin main
 
+# Install psycopg for PostgreSQL
+/opt/aitbc/venv/bin/pip install psycopg
+
+# Setup PostgreSQL databases
+/opt/aitbc/infra/scripts/setup_postgresql_databases.sh
+
 # Setup as follower
 sed -i 's|enable_block_production=true|enable_block_production=false|g' /etc/aitbc/blockchain.env
 sed -i 's|proposer_id=.*|proposer_id=follower-node-'$NODE_NAME'|g' /etc/aitbc/blockchain.env
diff --git a/scripts/setup.sh b/scripts/setup.sh
index fcb70274..e77c6922 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -183,6 +183,7 @@ setup_postgresql_databases() {
             "aitbc_trading:aitbc_trading"
             "aitbc_gpu:aitbc_gpu"
             "aitbc_ai:aitbc_ai"
+            "aitbc_mempool:aitbc_mempool"
         )
 
         for db_user in "${databases[@]}"; do
diff --git a/scripts/workflow/02_genesis_authority_setup.sh b/scripts/workflow/02_genesis_authority_setup.sh
index d12941ea..b2215ade 100755
--- a/scripts/workflow/02_genesis_authority_setup.sh
+++ b/scripts/workflow/02_genesis_authority_setup.sh
@@ -16,7 +16,11 @@ git pull origin main
 
 # Install/update dependencies
 echo "2. Installing/updating dependencies..."
-/opt/aitbc/venv/bin/pip install -r requirements.txt
+/opt/aitbc/venv/bin/pip install -r requirements.txt psycopg
+
+# Setup PostgreSQL databases
+echo "2.5. Setting up PostgreSQL databases..."
+/opt/aitbc/infra/scripts/setup_postgresql_databases.sh
 
 # Check and create required directories if they don't exist
 echo "3. Creating required directories..."
diff --git a/scripts/workflow/03_follower_node_setup.sh b/scripts/workflow/03_follower_node_setup.sh
index 65617508..64e60e5b 100755
--- a/scripts/workflow/03_follower_node_setup.sh
+++ b/scripts/workflow/03_follower_node_setup.sh
@@ -13,7 +13,11 @@ git pull origin main
 
 # Install/update dependencies
 echo "2. Installing/updating dependencies..."
-/opt/aitbc/venv/bin/pip install -r requirements.txt
+/opt/aitbc/venv/bin/pip install -r requirements.txt psycopg
+
+# Setup PostgreSQL databases
+echo "2.5. Setting up PostgreSQL databases..."
+/opt/aitbc/infra/scripts/setup_postgresql_databases.sh
 
 # Check and create required directories if they don't exist
 echo "3. Creating required directories..."