```

chore: remove obsolete payment architecture and integration test documentation

- Remove AITBC_PAYMENT_ARCHITECTURE.md (dual-currency system documentation)
- Remove IMPLEMENTATION_COMPLETE_SUMMARY.md (integration test completion summary)
- Remove INTEGRATION_TEST_FIXES.md (test fixes documentation)
- Remove INTEGRATION_TEST_UPDATES.md (real features implementation notes)
- Remove PAYMENT_INTEGRATION_COMPLETE.md (wallet-coordinator integration docs)
- Remove WALLET_COORDINATOR_INTEGRATION.md (payment

scripts/deploy/deploy-blockchain-remote.sh

@@ -0,0 +1,157 @@
+#!/bin/bash
+
+# Deploy blockchain node directly on ns3 server (build in place)
+
+set -e
+
+echo "🚀 Deploying Blockchain Node on ns3 (Build in Place)"
+echo "====================================================="
+
+# Colors
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+print_status() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+# Check if we're on the right server
+print_status "Checking server..."
+if [ "$(hostname)" != "ns3" ] && [ "$(hostname)" != "aitbc" ]; then
+    print_warning "This script should be run on ns3 server"
+    echo "Please run: ssh ns3-root"
+    echo "Then: cd /opt && ./deploy-blockchain-remote.sh"
+    exit 1
+fi
+
+# Install dependencies if needed
+print_status "Installing dependencies..."
+apt-get update
+apt-get install -y python3 python3-venv python3-pip git curl
+
+# Create directory
+print_status "Creating blockchain node directory..."
+mkdir -p /opt/blockchain-node
+cd /opt/blockchain-node
+
+# Check if source code exists
+if [ ! -d "src" ]; then
+    print_status "Source code not found in /opt/blockchain-node, copying from /opt/blockchain-node-src..."
+    if [ -d "/opt/blockchain-node-src" ]; then
+        cp -r /opt/blockchain-node-src/* .
+    else
+        print_warning "Source code not found. Please ensure it was copied properly."
+        exit 1
+    fi
+fi
+
+# Setup Python environment
+print_status "Setting up Python environment..."
+python3 -m venv .venv
+source .venv/bin/activate
+pip install --upgrade pip
+pip install -e .
+
+# Create configuration with auto-sync
+print_status "Creating configuration..."
+cat > .env << EOL
+CHAIN_ID=ait-devnet
+DB_PATH=./data/chain.db
+RPC_BIND_HOST=0.0.0.0
+RPC_BIND_PORT=8082
+P2P_BIND_HOST=0.0.0.0
+P2P_BIND_PORT=7070
+PROPOSER_KEY=proposer_key_$(date +%s)
+MINT_PER_UNIT=1000
+COORDINATOR_RATIO=0.05
+GOSSIP_BACKEND=memory
+EOL
+
+# Create fresh data directory
+print_status "Creating fresh data directory..."
+rm -rf data
+mkdir -p data/devnet
+
+# Generate fresh genesis
+print_status "Generating fresh genesis block..."
+export PYTHONPATH="${PWD}/src:${PWD}/scripts:${PYTHONPATH:-}"
+python scripts/make_genesis.py --output data/devnet/genesis.json --force
+
+# Create systemd service for blockchain node
+print_status "Creating systemd services..."
+cat > /etc/systemd/system/blockchain-node.service << EOL
+[Unit]
+Description=AITBC Blockchain Node
+After=network.target
+
+[Service]
+Type=exec
+User=root
+WorkingDirectory=/opt/blockchain-node
+Environment=PATH=/opt/blockchain-node/.venv/bin:/usr/local/bin:/usr/bin:/bin
+Environment=PYTHONPATH=/opt/blockchain-node/src:/opt/blockchain-node/scripts
+ExecStart=/opt/blockchain-node/.venv/bin/python3 -m aitbc_chain.main
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOL
+
+cat > /etc/systemd/system/blockchain-rpc.service << EOL
+[Unit]
+Description=AITBC Blockchain RPC API
+After=blockchain-node.service
+
+[Service]
+Type=exec
+User=root
+WorkingDirectory=/opt/blockchain-node
+Environment=PATH=/opt/blockchain-node/.venv/bin:/usr/local/bin:/usr/bin:/bin
+Environment=PYTHONPATH=/opt/blockchain-node/src:/opt/blockchain-node/scripts
+ExecStart=/opt/blockchain-node/.venv/bin/python3 -m uvicorn aitbc_chain.app:app --host 0.0.0.0 --port 8082
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOL
+
+# Enable and start services
+print_status "Starting blockchain node..."
+systemctl daemon-reload
+systemctl enable blockchain-node blockchain-rpc
+systemctl start blockchain-node blockchain-rpc
+
+# Wait for services to start
+print_status "Waiting for services to start..."
+sleep 5
+
+# Check status
+print_status "Checking service status..."
+systemctl status blockchain-node blockchain-rpc --no-pager | head -15
+
+# Setup port forwarding if in container
+if [ "$(hostname)" = "aitbc" ]; then
+    print_status "Setting up port forwarding..."
+    iptables -t nat -A PREROUTING -p tcp --dport 8082 -j DNAT --to-destination 192.168.100.10:8082
+    iptables -t nat -A POSTROUTING -p tcp -d 192.168.100.10 --dport 8082 -j MASQUERADE
+    iptables-save > /etc/iptables/rules.v4
+fi
+
+print_success "✅ Blockchain node deployed!"
+echo ""
+if [ "$(hostname)" = "aitbc" ]; then
+    echo "Node RPC: http://192.168.100.10:8082"
+    echo "External RPC: http://aitbc.keisanki.net:8082"
+else
+    echo "Node RPC: http://95.216.198.140:8082"
+    echo "External RPC: http://aitbc.keisanki.net:8082"
+fi
+echo ""
+echo "The node will automatically sync on startup."