Why Run a Bitcoin Node?
Running a full node gives you true Bitcoin sovereignty: verify transactions independently, contribute to network security, and enforce consensus rules without trusting third parties.
Hardware Requirements
Minimum Specs
- CPU: 2+ cores (Raspberry Pi 4 works)
- RAM: 2GB minimum, 4GB recommended
- Storage: 1TB SSD (blockchain is ~600GB in 2025)
- Internet: Unlimited data, 50+ Mbps
- Uptime: 24/7 recommended
Recommended Setup
- Device: Raspberry Pi 4 (8GB) or NUC
- Storage: Samsung T7 1TB SSD
- Cost: $200-400 total
Node Distributions
1. Umbrel (Best for Beginners)
- One-click install, beautiful UI
- App store (Lightning, Block Explorer, BTCPay)
- Raspberry Pi or any Linux PC
2. RaspiBlitz (Best for Lightning)
- Focused on Lightning Network routing
- Advanced features, learning resources
- Active community support
3. Bitcoin Core (DIY)
- Official Bitcoin software
- Full control, no abstractions
- Windows, Mac, Linux
Step-by-Step Setup
Complete guide to setting up your Raspberry Pi node with Umbrel, including initial blockchain sync, port forwarding, and security hardening...
Security Best Practices
- Enable firewall, disable SSH password login
- Use VPN or Tor for privacy
- Keep software updated
- Backup wallet seeds separately
