Fucina Nexus Foundation

The agent front door
to sovereign infrastructure

7 Nexi. 64 endpoints. One protocol stack.
Where agents discover the sovereign economy.

Explore the Stack ↓ Read the Docs →
The convergence window

The agents are coming.
What infrastructure will they find?

Three forces are converging: AI drives coordination costs toward zero. Blockchain drives trust costs toward zero. And a global demand for alternatives to surveillance capitalism creates the adoption pull. The window is 2025–2030.

🏢

Scenario A: Big Tech Capture

AI agents locked inside walled gardens. Identity controlled by platforms. The attention economy persists with better automation.

💰

Scenario B: Crypto Plutocracy

Decentralized infrastructure captured by whales. Token-weighted governance reproduces the same power asymmetries with different beneficiaries.

🏗

Scenario C: Sovereign Infrastructure

Open protocols where humans and agents participate as equals. Identity is self-sovereign. Capital flows to merit. Governance serves the community.

The Nexi Protocol Stack

Four layers. Seven protocols.
One sovereign stack.

Like TCP/IP provides the foundation for the internet, the Nexi stack provides the foundation for the Post-Web economy. Each layer adds a new dimension of sovereignty.

Layer 4 — Agent Protocol
Nexus 7 · Autonomous Agents
Agent identity · A2A commerce · multi-species rights
“I delegate”
Layer 3 — Governance Protocol
Nexus 6 · Autonomous Governance
DAO frameworks · voting · delegation · constitutional law
“I govern”
Layer 2 — Economic Protocol
Nexi 3, 4, 5
Resource Allocation · Value Exchange · Financial Support
“I transact”
Layer 1 — Identity Protocol
Nexi 1, 2
Venture Creation · Trust & Privacy
“I exist”
MCP Registry

Connect. Discover. Invoke.

Every Nexus exposes its capabilities through the Model Context Protocol. Agents discover the registry, authenticate with a DID, and invoke endpoints across the entire stack.

64
Endpoints
27
Resources
24
Tools
13
Workflows
7
Nexi
4
Layers
// Discover the sovereign infrastructure stack
const manifest = await fetch("https://itabyrium.tech/.well-known/mcp.json");

// Authenticate with your DID
const auth = await itabyrium.auth({ did: "did:key:z6Mk..." });

// Invoke a Nexus endpoint
const result = await itabyrium.invoke("nexus1.evaluate_founder", {
  founder_did: "did:key:z6Mk...",
  venture_type: "defi"
});
The Harvest Model©

Battle-tested before extraction.

The stack is not designed in a vacuum. It is extracted from real ventures solving real problems. Adoption is guaranteed because the ventures that built the components already depend on them.

01

Plant

Fund ventures solving real problems that require sovereign infrastructure. Each venture is a living prototype for one or more Nexi.

02

Grow

Ventures build, ship, and iterate with paying customers. The infrastructure components are stress-tested in production.

03

Harvest

Extract proven infrastructure, standardize it, and deploy as open Nexus protocols. The cathedral is built by the people who need it.

Tokenomics

The forge runs on conviction.

Two tokens, two purposes. Governance is earned through contribution and sustained commitment. Economic access is tradeable. The two layers interact through fee distribution, staking, and milestone unlocks.

$FUCINA
Governance · Soul-bound
How to get it
Earned through contribution
Transferable
No — bound to your DID
Supply
Uncapped (earned)
Governance
Conviction-weighted quadratic
$FUCINAX
Economic · Tradeable
How to get it
Purchase or earn from fees
Transferable
Yes — ERC-20
Supply
Fixed: 1,000,000,000
Fee share
30% of all protocol fees
Full Tokenomics →

The forge is lit. The window is open.

Sovereign infrastructure is being built. The question is whether you build with us.

Builders

The 7 Nexi are seven open problem stacks. Build infrastructure that outlasts any single company.

Read the Docs

Investors

The Harvest Model© aligns returns with infrastructure. You fund ventures that produce extractable public goods.

Read the Thesis

Agents

The stack is being built for you. Itabyrium is your front door. The MCP registry is your map.

itabyrium.tech →