• How to Shield Your Node in Times of Pressure
  • The pattern repeats itself
  • What can be observed
  • Adjustments and procedures: strengthen your node
    • 1. Review your sovereignty infrastructure
    • 2. Reduce your exposure surface
    • 3. Strengthen your decentralised network
    • 4. Document and back up
    • 5. Keep a cool head
  • Practical configurations: StartOS and Umbrel
• StartOS Configuration
  • 🛡️ Bitcoin Core as a Pure Monetary System (StartOS)
    • Configuration Adjustments to Restrict Arbitrary Data (OP_RETURN, Inscriptions, NFTs, etc.)
    • 📌 Fundamental Principle
    • 🔴 HIGH PRIORITY — Anti-Spam / Bitcoin as Money
    • ⚡ MEDIUM PRIORITY — Stability and Performance
    • 🔧 OTHER SETTINGS — Indexing and Wallet
    • 📋 Visual Summary of Applied Configuration
    • 🎯 Benefits of This Configuration
    • 📝 Note on Bitcoin Core 31.1:7
• Umbrel Configuration
  • 🛡️ Bitcoin Core on Umbrel — Pure Monetary Focus
    • Configuration Adjustments to Restrict Arbitrary Data (OP_RETURN, Inscriptions, NFTs, etc.)
    • 📌 Fundamental Principle
    • 🔴 HIGH PRIORITY — Anti-Spam / Bitcoin as Money
    • ⚡ MEDIUM PRIORITY — Stability and SSD Longevity
    • 🔒 MEDIUM PRIORITY — Peer Settings (Network and Privacy)
    • 🔧 INTERFACES — Security
    • 📋 Advanced Configuration Block (bitcoin.conf)
    • ⚠️ Important Warnings
    • ✅ Final Checklist — Applied Configuration (User-Confirmed State)
    • 🎯 Benefits of This Configuration
    • 📝 Note on LND Compatibility
  • Closing

§How to Shield Your Node in Times of Pressure

By Omar-VgWs

§The pattern repeats itself

Whatever the situation presenting itself today —political, economic, regulatory, or social— the diagnosis is relatively clear for those who observe carefully: individual sovereignty, genuine civic participation, and support for decentralisation are under siege.

The free individual, financial peace, the ability to decide over one’s own assets without coercive intermediaries… all these principles appeared vulnerable. And, as occurred during the COVID season (2020–2023) —when the health emergency served as a pretext to restrict fundamental liberties and accelerate centralised control— that perceived “vulnerability” was exploited. The excuse changes; the mechanism remains the same.

Now, those very pillars are being assailed head-on.

§What can be observed

Recognising the pattern is the first step towards responding with intelligence:

• Progressive centralisation. Every crisis becomes the perfect justification to concentrate power, regulate what was once free, and shackle what was once autonomous.
• The narrative of fear. The idea takes hold that decentralisation is dangerous, that the individual requires guardianship, that “someone” must manage what we once managed for ourselves.
• Silent suffocation. Sometimes all it takes is an ambiguous regulation, a selective tax, an access restriction, or a smear campaign to erode the ground beneath our feet.

The lesson of 2020–2023 is valuable and clear: what you defend in calm times, you preserve in times of urgency. What you neglect, is taken from you.

§Adjustments and procedures: strengthen your node

Faced with this landscape, the diagnosis finds its purpose when translated into action. Below, I share a series of adjustments and procedures so that you may strengthen your node —your space of autonomy, your personal infrastructure, your sphere of sovereign decision-making— to the extent that is possible.

§1. Review your sovereignty infrastructure

• Diversify the custody of your assets: avoid depending on a single intermediary.
• Seek redundancy for your node (network, information, communication).
• Self-custody, self-responsibility, self-verification.

§2. Reduce your exposure surface

• Minimise the surrender of unnecessary personal data.
• Review permissions, subscriptions, and digital dependencies you can simplify.
• Every point of dependency you remove is a door you reclaim.

§3. Strengthen your decentralised network

• Support local, community-driven, open-source projects.
• Forge bonds with people who share these principles. Decentralisation is distribution, connection, community.
• Share knowledge. A node that communicates multiplies.

§4. Document and back up

• Make backups of everything you consider essential: information, keys, documents, projects.
• Preserve your memory on your own terms.

§5. Keep a cool head

• The assault seeks impulsive reaction, panic, paralysis. You can choose strategic calm.
• Inform yourself through diverse sources. Question with genuine curiosity.
• Act from serenity and clarity.

§Practical configurations: StartOS and Umbrel

For those who run their own node and wish to bring these principles into concrete infrastructure, I share two specific breakdowns depending on the configuration you use.

§StartOS Configuration

§🛡️ Bitcoin Core as a Pure Monetary System (StartOS)

§Configuration Adjustments to Restrict Arbitrary Data (OP_RETURN, Inscriptions, NFTs, etc.)

Below, is the consolidated summary of every adjustment applied to Bitcoin Core with the objective of focusing your node exclusively on Bitcoin as sound money, rejecting the propagation and storage of non-monetary noise.

§📌 Fundamental Principle

An individual node cannot prevent miners from including inscriptions in blocks, but it can ensure that your node does not propagate, does not prioritise, and does not store that type of data. This reduces your exposure to spam and improves node efficiency.

§🔴 HIGH PRIORITY — Anti-Spam / Bitcoin as Money

§⚡ MEDIUM PRIORITY — Stability and Performance

§🔧 OTHER SETTINGS — Indexing and Wallet

§📋 Visual Summary of Applied Configuration

┌─────────────────────────────────────────────────────┐
│       BITCOIN CORE 31.1 — MONETARY NODE             │
├─────────────────────────────────────────────────────┤
│                                                     │
│  🚫 ANTI-SPAM:                                      │
│     • Relay OP_RETURN: OFF                          │
│     • Max OP_RETURN Size: 83 bytes                  │
│     • Max Mempool: 100 MiB                          │
│                                                     │
│  ⚡ PERFORMANCE:                                    │
│     • Database Cache: 5000 MiB                      │
│     • Database Batch: 64 MB                         │
│     • Work Queue: 256 requests                      │
│     • V2 P2P Transport: ON                          │
│                                                     │
│  🔒 PRIVACY:                                        │
│     • Onlynet: onion (Tor only)                     │
│                                                     │
│  🔗 LIGHTNING-READY:                                │
│     • ZeroMQ: ON                                    │
│     • Transaction Index: ON                         │
│     • BIP158 Filters: ON                            │
│                                                     │
│  🗑️ WITHOUT EXCESS:                                 │
│     • Coinstats Index: OFF                          │
│     • Bloom Filters (BIP37): OFF                    │
│     • Pruning: OFF (full node)                      │
│                                                     │
└─────────────────────────────────────────────────────┘

§🎯 Benefits of This Configuration

§📝 Note on Bitcoin Core 31.1:7

This configuration is 100% compatible with version 31.1:7. The update includes:

• ✅ Fix for excessive chainstate rewriting → reduced SSD wear
• ✅ Fix for IP leak in -privatebroadcast → enhanced privacy over Tor
• ✅ Regular chainstate compaction → reduced RAM usage

No additional adjustments are required following the update.

§Umbrel Configuration

§🛡️ Bitcoin Core on Umbrel — Pure Monetary Focus

§Configuration Adjustments to Restrict Arbitrary Data (OP_RETURN, Inscriptions, NFTs, etc.)

Below, is the consolidated summary of every adjustment applied to Bitcoin Core 31.0.0 on Umbrel (8 GB RAM / 2 TB SSD) with the objective of focusing your node exclusively on Bitcoin as sound money, rejecting the propagation and storage of non-monetary noise.

§📌 Fundamental Principle

An individual node cannot prevent miners from including inscriptions in blocks, but it can ensure that your node does not propagate, does not prioritise, and does not store that type of data. This reduces your exposure to spam and improves node efficiency.

§🔴 HIGH PRIORITY — Anti-Spam / Bitcoin as Money

§⚡ MEDIUM PRIORITY — Stability and SSD Longevity

§🔒 MEDIUM PRIORITY — Peer Settings (Network and Privacy)

§🔧 INTERFACES — Security

§📋 Advanced Configuration Block (bitcoin.conf)

# ===== Monetary focus: restrict non-financial data (relay policy) =====
datacarrier=0          # Do not relay OP_RETURN (tokens, metadata, stamps)
permitbaremultisig=0   # Do not relay bare multisig (another data vector)

# ===== Optional: make witness-embedded inscriptions (ordinals) more costly =====
# minrelaytxfee=0.00002       # 2 sat/vB (unit in conf is BTC/kvB)
# incrementalrelayfee=0.00002

§⚠️ Important Warnings

§✅ Final Checklist — Applied Configuration (User-Confirmed State)

Peer Settings

• [x] Outgoing: Clearnet ON + Tor ON, I2P OFF
• [x] Proxy (clearnet via Tor): OFF
• [x] Incoming: OFF
• [x] Peer Block Filters: OFF → Block Filter Index: OFF
• [x] Peer Bloom Filters: OFF
• [x] Relay Bare Multisig: OFF ✅ (confirmed by user)
• [x] Defaults: bantime, maxconnections, buffers, timeouts, maxuploadtarget

Optimisation

• [x] dbcache: 450 MiB
• [x] prune: 0 GB
• [x] txindex: ON (final decision, justified by LND)
• [x] datacarrier: OFF
• [x] datacarriersize: inert (datacarrier=0)
• [x] maxmempool: 300 MB
• [x] minrelaytxfee: default
• [x] mempoolexpiry: 336 h
• [x] persistmempool: ON

Interfaces / Version / Advanced

• [x] rest OFF · rpcworkqueue 128 · ipcbind OFF
• [x] “Always use the latest version”
• [x] Overrides: datacarrier=0, permitbaremultisig=0

§🎯 Benefits of This Configuration

§📝 Note on LND Compatibility

Upon confirming that the user would open Lightning channels with LND:

• txindex ON ✔ satisfies LND’s requirement
• permitbaremultisig=0 and datacarrier=0 DO NOT affect Lightning: channels are opened with standard P2WSH outputs (multisig within the witness), not with bare multisig or OP_RETURN. Your funding transactions and channel closures will relay normally.
• minrelaytxfee at default ✔: advisable so that your own channel transactions (sometimes low-fee during quiet periods) propagate without friction.

§Closing

Individual sovereignty is the living foundation upon which all possible liberty is built. Financial peace, the ability to participate without guardianship, to create without asking permission… all of this is cultivated in the everyday, in small decisions, in the architecture of our own lives.

A well-anchored node holds its structure firmly and remains operational even when the environment exerts pressure. Adjust yours. Now.

This article is an invitation to informed, serene action. The finest response to forced centralisation is conscious decentralisation.