diff --git a/Makefile b/Makefile
index e883d95..666da34 100644
--- a/Makefile
+++ b/Makefile
@@ -61,9 +61,9 @@ test-e2e-quick:
 # Network - Distributed P2P Database System
 # Makefile for development and build tasks
 
-.PHONY: build clean test deps tidy fmt vet lint install-hooks redeploy-devnet redeploy-testnet release health
+.PHONY: build clean test deps tidy fmt vet lint install-hooks upload-devnet upload-testnet redeploy-devnet redeploy-testnet release health
 
-VERSION := 0.112.2
+VERSION := 0.112.4
 COMMIT  ?= $(shell git rev-parse --short HEAD 2>/dev/null || echo unknown)
 DATE    ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
 LDFLAGS := -X 'main.version=$(VERSION)' -X 'main.commit=$(COMMIT)' -X 'main.date=$(DATE)'
@@ -105,6 +105,14 @@ clean:
 	rm -rf data/
 	@echo "Clean complete!"
 
+# Upload source to devnet using fanout (upload to 1 node, parallel distribute to rest)
+upload-devnet:
+	@bash scripts/upload-source-fanout.sh --env devnet
+
+# Upload source to testnet using fanout
+upload-testnet:
+	@bash scripts/upload-source-fanout.sh --env testnet
+
 # Deploy to devnet (build + rolling upgrade all nodes)
 redeploy-devnet:
 	@bash scripts/redeploy.sh --devnet
diff --git a/scripts/upload-source-fanout.sh b/scripts/upload-source-fanout.sh
new file mode 100755
index 0000000..46190f4
--- /dev/null
+++ b/scripts/upload-source-fanout.sh
@@ -0,0 +1,194 @@
+#!/bin/bash
+# Upload source to one seed node, then fan out to all others in parallel.
+# ~3x faster than sequential: one slow upload + fast parallel inter-node transfers.
+#
+# Usage:
+#   ./scripts/upload-source-fanout.sh --env devnet
+#   ./scripts/upload-source-fanout.sh --env testnet
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ARCHIVE="/tmp/network-source.tar.gz"
+CONF="$SCRIPT_DIR/remote-nodes.conf"
+REMOTE_ARCHIVE="/tmp/network-source.tar.gz"
+
+if [ ! -f "$ARCHIVE" ]; then
+    echo "Error: $ARCHIVE not found"
+    echo "Run: make build-linux && ./scripts/generate-source-archive.sh"
+    exit 1
+fi
+
+if [ "$1" != "--env" ] || [ -z "$2" ]; then
+    echo "Usage: $0 --env <devnet|testnet>"
+    exit 1
+fi
+
+ENV="$2"
+
+# Parse all nodes for this environment
+declare -a USERS HOSTS PASSES KEYS
+i=0
+while IFS='|' read -r env userhost pass role key; do
+    [ -z "$env" ] && continue
+    case "$env" in \#*) continue;; esac
+    env="$(echo "$env" | xargs)"
+    [ "$env" != "$ENV" ] && continue
+
+    USERS[$i]="${userhost%%@*}"
+    HOSTS[$i]="${userhost##*@}"
+    PASSES[$i]="$pass"
+    KEYS[$i]="$(echo "${key:-}" | xargs)"
+    ((i++))
+done < "$CONF"
+
+TOTAL=${#HOSTS[@]}
+if [ "$TOTAL" -eq 0 ]; then
+    echo "No nodes found for environment: $ENV"
+    exit 1
+fi
+
+echo "Source archive: $ARCHIVE ($(du -h "$ARCHIVE" | cut -f1))"
+echo "Fanout: upload to 1 seed, then parallel to $((TOTAL - 1)) others"
+echo ""
+
+# --- Helper functions ---
+
+run_ssh() {
+    local user="$1" host="$2" pass="$3" key="$4"
+    shift 4
+    local opts="-o StrictHostKeyChecking=no -o ConnectTimeout=10"
+    if [ -n "$key" ]; then
+        ssh -n $opts -i "$key" "$user@$host" "$@"
+    elif [ -n "$pass" ]; then
+        sshpass -p "$pass" ssh -n $opts \
+            -o PreferredAuthentications=password -o PubkeyAuthentication=no \
+            "$user@$host" "$@"
+    else
+        ssh -n $opts "$user@$host" "$@"
+    fi
+}
+
+run_scp() {
+    local user="$1" host="$2" pass="$3" key="$4" src="$5" dst="$6"
+    local opts="-o StrictHostKeyChecking=no -o ConnectTimeout=10"
+    if [ -n "$key" ]; then
+        scp $opts -i "$key" "$src" "$user@$host:$dst"
+    elif [ -n "$pass" ]; then
+        sshpass -p "$pass" scp $opts \
+            -o PreferredAuthentications=password -o PubkeyAuthentication=no \
+            "$src" "$user@$host:$dst"
+    else
+        scp $opts "$src" "$user@$host:$dst"
+    fi
+}
+
+extract_on_node() {
+    local user="$1" host="$2" pass="$3" key="$4"
+    local sudo_prefix=""
+    [ "$user" != "root" ] && sudo_prefix="sudo "
+    run_ssh "$user" "$host" "$pass" "$key" \
+        "${sudo_prefix}bash -c 'rm -rf /opt/orama/src && mkdir -p /opt/orama/src /opt/orama/bin && tar xzf $REMOTE_ARCHIVE -C /opt/orama/src 2>/dev/null && if [ -f /opt/orama/src/bin-linux/orama ]; then cp /opt/orama/src/bin-linux/orama /usr/local/bin/orama && chmod +x /usr/local/bin/orama; fi && echo \"\$(ls /opt/orama/src/ | wc -l) files\"'"
+}
+
+# --- Step 1: Upload to seed (first node) ---
+
+SEED_USER="${USERS[0]}"
+SEED_HOST="${HOSTS[0]}"
+SEED_PASS="${PASSES[0]}"
+SEED_KEY="${KEYS[0]}"
+
+echo "=== Step 1/3: Upload to seed ($SEED_USER@$SEED_HOST) ==="
+run_scp "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY" "$ARCHIVE" "$REMOTE_ARCHIVE"
+extract_on_node "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY"
+echo "  ✓ Seed ready"
+echo ""
+
+# --- Step 2: Install sshpass on seed if needed ---
+
+echo "=== Step 2/3: Prepare seed for fanout ==="
+run_ssh "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY" \
+    "which sshpass >/dev/null 2>&1 || (sudo apt-get update -qq >/dev/null 2>&1 && sudo apt-get install -y -qq sshpass >/dev/null 2>&1)"
+echo "  ✓ sshpass available on seed"
+echo ""
+
+# --- Step 3: Fan out from seed to all other nodes in parallel ---
+
+echo "=== Step 3/3: Fanout to $((TOTAL - 1)) nodes ==="
+
+# Collect nodes that need key-based auth (can't fanout, key is local)
+declare -a KEY_NODES
+
+# Build a targets file for the seed: user|host|pass|is_root (one per line, base64-encoded passwords)
+TARGETS_CONTENT=""
+for ((j=1; j<TOTAL; j++)); do
+    if [ -n "${KEYS[$j]}" ]; then
+        KEY_NODES+=("$j")
+        continue
+    fi
+    # Base64-encode password to avoid shell escaping issues
+    b64pass=$(echo -n "${PASSES[$j]}" | base64)
+    is_root="0"
+    [ "${USERS[$j]}" = "root" ] && is_root="1"
+    TARGETS_CONTENT+="${USERS[$j]}|${HOSTS[$j]}|${b64pass}|${is_root}"$'\n'
+done
+
+# Upload targets file and fanout script to seed
+run_ssh "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY" "cat > /tmp/fanout-targets.txt" <<< "$TARGETS_CONTENT"
+
+FANOUT='#!/bin/bash
+ARCHIVE="/tmp/network-source.tar.gz"
+PIDS=()
+LABELS=()
+
+while IFS="|" read -r user host b64pass is_root; do
+    [ -z "$user" ] && continue
+    pass=$(echo "$b64pass" | base64 -d)
+    sudo_prefix=""
+    [ "$is_root" != "1" ] && sudo_prefix="sudo "
+
+    (
+        sshpass -p "$pass" scp \
+            -o StrictHostKeyChecking=no -o ConnectTimeout=10 \
+            -o PreferredAuthentications=password -o PubkeyAuthentication=no \
+            "$ARCHIVE" "$user@$host:$ARCHIVE" && \
+        sshpass -p "$pass" ssh -n \
+            -o StrictHostKeyChecking=no -o ConnectTimeout=10 \
+            -o PreferredAuthentications=password -o PubkeyAuthentication=no \
+            "$user@$host" \
+            "${sudo_prefix}bash -c '\''rm -rf /opt/orama/src && mkdir -p /opt/orama/src /opt/orama/bin && tar xzf /tmp/network-source.tar.gz -C /opt/orama/src 2>/dev/null && if [ -f /opt/orama/src/bin-linux/orama ]; then cp /opt/orama/src/bin-linux/orama /usr/local/bin/orama && chmod +x /usr/local/bin/orama; fi'\''" && \
+        echo "  ✓ $user@$host" || \
+        echo "  ✗ $user@$host FAILED"
+    ) &
+    PIDS+=($!)
+    LABELS+=("$user@$host")
+done < /tmp/fanout-targets.txt
+
+FAILED=0
+for i in "${!PIDS[@]}"; do
+    if ! wait "${PIDS[$i]}"; then
+        FAILED=1
+    fi
+done
+
+rm -f /tmp/fanout-targets.txt /tmp/fanout.sh
+exit $FAILED
+'
+
+run_ssh "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY" "cat > /tmp/fanout.sh && chmod +x /tmp/fanout.sh" <<< "$FANOUT"
+
+# Run fanout (allocate tty for live output)
+run_ssh "$SEED_USER" "$SEED_HOST" "$SEED_PASS" "$SEED_KEY" "bash /tmp/fanout.sh"
+
+# Handle key-based auth nodes directly from local (key isn't on seed)
+for idx in "${KEY_NODES[@]}"; do
+    echo ""
+    echo "→ Direct upload to ${USERS[$idx]}@${HOSTS[$idx]} (SSH key auth)..."
+    run_scp "${USERS[$idx]}" "${HOSTS[$idx]}" "${PASSES[$idx]}" "${KEYS[$idx]}" "$ARCHIVE" "$REMOTE_ARCHIVE"
+    extract_on_node "${USERS[$idx]}" "${HOSTS[$idx]}" "${PASSES[$idx]}" "${KEYS[$idx]}"
+    echo "  ✓ ${USERS[$idx]}@${HOSTS[$idx]}"
+done
+
+echo ""
+echo "Done. All $TOTAL nodes updated."
+echo "Now run: ./bin/orama install --vps-ip <ip> ..."