Initial commit: Beta testnet configuration

- Chainspec file (5.2MB) with genesis hash 0xa017...54b1
- Validator startup scripts for Computer 2 (validators 5-8)
- Complete setup instructions in README
- Configuration for 8-validator beta testnet

scripts/start-all-validators-computer2.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# Start all validators for Computer 2 (Validators 5-8)
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo -e "${BLUE}═══════════════════════════════════════════════════════${NC}"
+echo -e "${BLUE}   Beta Testnet - Computer 2 (Validators 5-8)${NC}"
+echo -e "${BLUE}═══════════════════════════════════════════════════════${NC}"
+echo ""
+
+for i in 5 6 7 8; do
+    echo -e "${GREEN}Starting Validator $i...${NC}"
+    "$SCRIPT_DIR/start-beta-validator-$i.sh"
+    echo ""
+    sleep 3
+done
+
+echo -e "${GREEN}✅ All 4 validators started!${NC}"
+echo ""
+echo "Logs:"
+for i in 5 6 7 8; do
+    echo "  Validator $i: tail -f /tmp/beta-validator-$i.log"
+done