The Sovereign Stack
CORE FULCRUM MEMPOOL BTCPAY

Self-hosted Bitcoin infrastructure · no third parties consulted

Every block, verified on our own silicon

An archival Bitcoin node and everything that feeds on it — wallet server, fee radar, payment processor — running on one machine in the rack, answering to no one.

Current block height
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connecting to the node…
Peers
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Mempool
—
Next block
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Chain on disk
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Node uptime
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How the pieces feed each other
12 TB DISKfull ledger, genesis → tip
━━▶
BITCOIN COREvalidates everything
━━▶
FULCRUMserves wallets
MEMPOOLwatches fees
━━▶
BTCPAYsettles invoices
Latest blocks, as this node saw them
The stack

Bitcoin Core

—

The archival node. Holds and has independently verified the entire chain — no snapshots, no shortcuts, no one else's word for it.

height — · chain —
bitcoin p2p PRIVATE · LAN ONLY

Fulcrum

—

The Electrum server. Point Sparrow or Electrum here and your wallet queries this rack — not a stranger who logs addresses.

tip — · protocol 1.4
electrum protocol PRIVATE · LAN ONLY

Mempool

self-hosted

The fee radar. A full mempool.space instance fed by our own node — browse blocks and estimate fees with no analytics on the side.

unconfirmed — · vsize —
mempool.warpyard.com PUBLIC · OPEN IT

BTCPay Server

2.3.6

The cash register. Invoices and payments settle against this stack's own view of the chain — processor fees: zero, permission required: none.

state —
payment portal PRIVATE · LAN ONLY