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• 📊 Prometheus + Grafana: Collects and visualizes data for monitoring system metrics and validator performance.
• 🔍 Hubble: A popular tool for network insights and monitoring.
• 🌌 Cosmos SDK: Framework for building decentralized applications and validators on the Cosmos network.
• ⛓️ Geth & Besu: Ethereum clients for running nodes and interacting with Ethereum-based chains.
• 🐳 Docker: Used to containerize validator nodes for easy deployment and management.
• ⚙️ Ansible: Automation tool to deploy and manage validator setups across multiple machines.
• 📝 Bash Scripts: Custom scripts to manage node operations like restarting, updating, and syncing.
• 🔐 Ledger Hardware Wallet: For securely storing validator keys and protecting assets.
• 💻 CLI Tools: Command-line interface tools for managing node operations and troubleshooting.
• 🔗 Chain-Specific Tools: Tools specific to the blockchain network a validator is participating in, such as validator-cli for Solana or tezos-client for Tezos.

Feel free to add or remove tools depending on what you use!