Case Study / 01 Protocol Launch Studio 2026

Global Gold

A Global Monetary Infrastructure Protocol Taken From Architecture to Four-Chain Testnet.

Global Gold was not a token contract. It was a full protocol system: reserve-backed gold, liquidity steering, dynamic-fee markets, omnichain transport, investor-facing demo flows, and audit handoff materials.

Coincraft carried the system from economic architecture to frozen spec, smart contracts, adversarial review, invariant testing, four-chain deployment, dashboard flows, manifests, runbooks, and a reviewable technical dossier.

This is what the Coincraft model is built to do: turn a serious protocol idea into a system investors, CTOs, security teams, and auditors can inspect.

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30+Production contracts

4Testnets deployed + wired

12OFT peer routes

21Dashboard routes

4/4Solvency invariants passed

Contracts, routes, dashboard flows, runbooks, findings, and invariant output are reviewable in the private build dossier.

01The System

A Global Monetary System, Built as One Protocol

Most crypto products are assembled as parts: a token here, a vault there, a governance module bolted on later, a dashboard built after the fact.

Global Gold had to work as one machine.

That is the hard part Coincraft owned: not merely writing contracts, but making the economy, contracts, cross-chain state, liquidity design, governance logic, and demo surface resolve into one reviewable protocol system.

01A basket-backed gGOLD vault

02A GOLDN governance and liquidity layer

03Vote-escrow and gauge mechanics

04Uniswap v4 dynamic-fee infrastructure

05LayerZero V2 omnichain token and messaging rails

06Cross-chain tier authority across four networks

07A dashboard for reserves, solvency, minting, trading, bridging, governance, and portfolio flows

02The Monetary Architecture

The Architecture Is the Product.

Global Gold was not designed as a single vault, a single token, or a single DEX.

It was designed as a gold-native trade architecture:

gGOLD as the reserve-backed routing asset at the center of every pool
GOLDN as the liquidity-steering and participation layer
LayerZero V2 as the omnichain transport
Uniswap v4 as the dynamic-fee market infrastructure
Tokenized gold as the monetary foundation

The architecture mattered because the product was not one contract. The product was the relationship between reserves, liquidity, governance, routing, cross-chain state, and user-facing inspection.

Coincraft designed and built that relationship.

Plate 03

The Trading Wheel — gGOLD at the center of concentric rings of jurisdictional gold and L1 assets, every pair routing through the gold core.

The Trading Wheel

One Pool Connects an Asset to the Whole Market.

Every pool routes through gGOLD. That is the design move.

Instead of fragmenting liquidity across isolated pairs, Global Gold uses gGOLD as the gold core. A new asset does not need a lattice of pairings to reach the system. It needs one pool against the routing asset.

N assets need N pools, not N-squared pairs. The center is the highway.

Plate 03 shows gGOLD at the center, with the jurisdictional gold shell and L1 membrane around it. Every pair routes through the core. Shell 1 is shown at designed capacity: twelve slots, with USG live and PAXG and XAUT anchored at launch.

What Coincraft Proved The liquidity architecture was not an afterthought. It was designed into the monetary system from the start.

Plate 06

The Steering Wheel — veGOLDN at the hub of a gauge ring of pools, spoke width showing vote weight, with the designed fee ladder alongside.

The Steering Wheel

Governance Becomes Market Machinery.

GOLDN does not sit outside the system as a decorative governance token. It steers depth.

Locking GOLDN creates time-weighted voting power. Allocating that power to pools directs emissions and protocol-fee flows. Delegation controls fee tiers. Liquidity providers earn trading fees plus GOLDN emissions. Delegators share protocol fees in gGOLD.

The designed fee table runs from 0.30% for undelegated traders down to 0.01% at the deepest tier — and 0.001% on gold-pair hub pools. That is a 30x discount for the most aligned participants, implemented through a Uniswap v4 dynamic-fee hook.

Plate 06 shows veGOLDN vote allocation steering emissions, fee routing, and swap-fee tiers across the gauge ring. Spoke width represents vote weight.

What Coincraft Proved Incentive design, governance, and market depth can be built as one system, not three disconnected modules.

Plate 02

The Omnichain Elevator Tower — one vertical OFT shaft threading the gGOLD core of every chain, lockbox anchored on Ethereum.

The Omnichain Elevator Tower

Cross-Chain Without Losing the Anchor.

gGOLD is omnichain over LayerZero V2 with a lockbox home on Ethereum.

Bridged supply stays anchored at home, so global supply remains tied to where the reserve logic lives. Governance state crosses chains as verified messages, not as a pile of wrapped-token assumptions.

The design is meant to run on any EVM chain with Uniswap v4. The testnet proof runs on four because those were the available Uniswap v4 testnet environments.

Plate 02 shows one vertical OFT shaft threading the gGOLD core of every chain, anchored to the Ethereum lockbox.

What Coincraft Proved Omnichain architecture is not just deployment. It is supply discipline, route wiring, state verification, manifests, runbooks, and operating ceremonies.

Plate 07

The Caravans — numbered delegation caravans traveling from reporter chains to the Base hub, where a per-user cursor ledger applies newer slices and skips stale ones.

The Caravans

Cross-Chain Bookkeeping Has to Survive Real Message Behavior.

Delegation reports travel in numbered caravans with per-user idempotency cursors.

Out-of-order delivery is absorbed. Replays are skipped. Recovery moves forward behind a timelock.

The result is monotonic, idempotent omnichain bookkeeping: reviewable, testable, and designed for the messiness of cross-chain messaging.

Plate 07 shows numbered dispatch from every reporter chain. The hub applies a slice only if it is newer than the per-user cursor, skips replays without reverting, and recovers forward-only behind a timelock.

What Coincraft Proved The protocol was built for operational reality, not just for a diagram.

Plate 04

The Vault Rings — design vision showing twelve jurisdictional gold tokens backed by independent physical vault operators, all feeding one composite gold asset.

The Vault Rings

One Routing Asset, Many Gold Reserves.

gGOLD is backed by a communal basket vault: multiple tokenized-gold reserves in one redemption claim, ounce-for-ounce, oracle-free, with a governed path to admit up to twelve gold assets.

The thesis is simple and powerful: gold does not need to live in one vault to become one monetary layer.

Gold from many jurisdictions can back one routing asset. That routing asset can unify liquidity across the system. And because the backing is distributed across approved gold tokens, issuers, and jurisdictions, no single issuer is the whole story.

Plate 04 shows the design vision: twelve jurisdictional gold tokens backed by a ring of independent physical vault operators, with no single point of trust. The shipped system includes the communal basket vault with a governed path to twelve legs.

What Coincraft Proved gGOLD is not just a token. It is the reserve asset that makes a global gold market composable.

Plate 05

gBAR — a block of gGOLD lifted out of the jurisdictional bar ring on the z-axis as a peer-to-peer liquidity intermediary.

gBAR

Institutional Gold at the Edge, Permissionless Gold at the Core.

gBAR extends the same gold into institutional denominations: KYC-gated ERC-721 bars wrapping fixed blocks of gGOLD, transferable peer-to-peer within the compliance perimeter, and always unwrappable back to gGOLD.

gGOLD stays permissionless. KYC lives at the gBAR edge only.

That separation matters. It allows the system to support institutional bar-level workflows without dragging the entire routing asset into a permissioned design.

Plate 05 shows fixed blocks of gGOLD lifted out of the jurisdictional bar ring as compliance-gated bearer bars. The ERC-721 gBAR exists today; the jurisdictional bar ring and marketplace remain roadmap layers.

What Coincraft Proved Compliance-sensitive institutional features can live at the edge without compromising the core settlement asset.

03The Architecture in One Sentence

Gold Backs the Routing Asset. The Routing Asset Unifies Liquidity. Governance Steers Depth. Omnichain Rails Carry the Structure. The Dashboard Makes It Inspectable.

That is the Global Gold architecture.

The plates show the architecture as designed. The four-chain testnet is the proof of the pattern; four chains is how many testnets run Uniswap v4 today, not a limit of the design. Where a layer is vision rather than code—the distributed vault-operator ring, the bar marketplace—the plate says so on its face.

04The Six Layers

One Reviewable System, Six Interdependent Layers.

Reserve Layer

The gGOLD vault architecture defines minting, redemption, reserve accounting, and solvency constraints.

Governance Layer

GOLDN provides vote-escrow, gauges, delegation, tiers, and protocol participation mechanics.

Liquidity Layer

Uniswap v4 infrastructure supports dynamic-fee hook logic and tier-aware fee behavior.

Omnichain Layer

LayerZero V2 rails connect Base, Ethereum, Optimism, and Arbitrum Sepolia testnets.

Interface Layer

The dashboard exposes reserves, solvency, bridge state, trading, governance, and portfolio state.

Handoff Layer

Specifications, findings, invariant output, manifests, runbooks, and auditor-facing documentation.

05The Mesh

Deployed and Wired Across Four Testnets.

The Global Gold testnet environment spans Base Sepolia, Ethereum Sepolia, Optimism Sepolia, and Arbitrum Sepolia.

The omnichain mesh includes twelve LayerZero V2 OFT peer routes.

Cross-chain protocols require more than contracts deployed on different networks. They require routes, peers, registries, deployment manifests, chain-specific runbooks, operating ceremonies, and verification.

The protocol has to be inspectable across the mesh, not just plausible on a diagram.

BASEHub + Tier Authority

ETHSepolia

OPSepolia

ARBSepolia

BASE HUB · TIER AUTHORITY · ETHEREUM · OPTIMISM · ARBITRUM SEPOLIA TESTNETS · 12 OFT PEER ROUTES · LAYERZERO V2 · WIRED 2026-06-10

What Coincraft Proved Multi-chain work is finished when the system is wired, documented, and reviewable across every chain it touches.

06The Window

The Investor Demo Is Part of the Build.

Reviewers need more than contracts. They need a surface where the system can be inspected.

The Global Gold dashboard gives reviewers a way to see the protocol in motion: reserves, solvency, minting, trading, bridging, governance, and portfolio flows.

The demo is the window into the protocol. It turns architecture into something investors and stakeholders can understand without reverse-engineering a repository.

Access is provisioned with the technical walkthrough invitation.

GLOBAL GOLD / REVIEW SURFACETESTNET

Reserve coverage1.0000×

01Reserves

02Solvency

03Mint

04Trade

05Bridge

06Governance

07Portfolio

08Routes

What Coincraft ProvedA serious protocol needs a review surface, not just a codebase.

07The Judgment

Built the CDP Model. Retired It.

Global Gold originally included a CDP-style debt model.

It was designed. It was built. Then it was retired.

The basket vault was cleaner, debt-free, easier to reason about, and easier to prepare for audit.

The shipped system changed under review because the better architecture won.

That is the part no dev shop sells: judgment.

A dev shop ships the ticket. A systems architect asks whether the ticket should exist.

01CDP Model Designed

02Complexity Reviewed

03Model Retired

04Basket Vault Shipped

Knowing what not to ship is what kept Global Gold moving toward a cleaner system.

08The Rigor

Spec-Locked. Adversarially Reviewed. Invariant-Tested.

Global Gold’s build process was structured around reviewable artifacts.

The rigor exists so a security team has something to inspect.

01Frozen specifications

02Multi-model adversarial review

03Findings-ledger discipline

04Foundry invariant fuzzing

05Refactor and remediation rounds

06Deployment manifests

07Runbooks

08Audit handoff preparation

FOUNDRY / INVARIANT SUITEARCHIVED 2026-07-07

$ forge test --match-path "test/invariant/*"

[PASS] invariant_solvencyHoldsUntilDegraded()
       (runs: 256, calls: 16384, reverts: 0)
[PASS] invariant_redeemNeverExceedsFairShare()
       (runs: 256, calls: 16384, reverts: 0)
[PASS] invariant_activeLegBalanceCoversReserved()
       (runs: 256, calls: 16384, reverts: 0)
[PASS] invariant_supplyEqualsMintedMinusBurned()
       (runs: 256, calls: 16384, reverts: 0)

Suite result: ok. 4 passed; 0 failed; 0 skipped

gGOLD vault solvency invariant suite · 256 runs · 16,384 calls each · 0 reverts

Findings Were Tracked

Finding. Decision. Remediation. Verification. Disposition.

The Global Gold build maintained findings ledgers across adversarial review rounds. Issues were recorded, reviewed, remediated, or explicitly carried forward.

IDSeverityStatus

RE-H1HIGHCLOSED

R14-H1HIGHCLOSED

RE-M3MEDCLOSED

GPT-R13-FN-1MEDCLOSED

R14-M2MEDCLOSED

Redacted excerpt · R0–R14 · Approximately 135 findings tracked to closure.

Build Record

SPECFrozen before implementation · amended only on architecture rulings

REVIEWMulti-model adversarial rounds R0–R14

MANIFESTSPer-chain deployment manifests, four networks

RUNBOOKSDeploy, wiring ceremony, admin rotation

HANDOFFAuditor-facing documentation package

What Coincraft Proved Speed and rigor can coexist when the architecture is owned from the start.

09The Boundary

Audit-Ready, Not Audited.

Global Gold was built for internal CTO and security review followed by independent third-party audit.

Coincraft prepares the system so a security firm has something coherent to review.

The claim is deliberately careful: audit-ready, not audited.

Handoff Package

✓Frozen spec

✓Contract map

✓Invariant output

✓Findings ledger

✓Deployment manifests

✓Runbooks

✓Known-risk notes

✓Demo walkthrough

✓Architecture diagrams

10The Capability

What Global Gold Proves.

01Economic architecture

02Protocol specification

03Smart contract implementation

04Cross-chain deployment

05Invariant testing

06Adversarial review

07Investor demo

08Security handoff preparation

But the deeper proof is architectural judgment.

The system that shipped is the system that survived design pressure.

That is what Coincraft sells: not just speed, not just code, but the architectural ownership required to get the right protocol to market faster.

11Claim Boundaries

Coincraft Makes Careful Claims.

Global Gold Is Testnet deployed and wiredDemo-readyInvariant-testedPrepared for security review

Not Claimed Here As Third-party auditedMainnet deployedSecurity certifiedFormally verifiedProduction mainnet infrastructure

Those claims come after the audit and mainnet deployment—not before.

12Diligence

Request the Build Dossier.

Serious prospects can request a private technical walkthrough of the Global Gold build. The walkthrough is a guided inspection of approved artifacts, not repository access or marketing theater.

Request diligence access

01Demo access

02Architecture map

03Dashboard review

04Invariant output

05Findings-ledger excerpts

06Deployment map

07Runbooks

08Build dossier

09Claim boundary sheet