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Stablecoins are transforming settlement — but global payments still lack a permanent identity layer. Why registries, not rails, will define the next phase of financial infrastructure.

 

 

For years, global payments have relied on a fragile but familiar architecture:

correspondent banking.

Money moved slowly, expensively, and opaquely — hopping from local banks to international correspondents and back again. Fees stacked up at every layer, settlement took days, and reconciliation lived in spreadsheets and trust.

That system worked because there was no real alternative.

Now there is.

The Rise of the Stablecoin Sandwich

A new model for global payments is emerging, often described as the “Stablecoin Sandwich.”

The flow is simple:

  • A sender initiates a payment in fiat (for example, euros)

  • An on-ramp converts fiat into a stablecoin

  • The stablecoin moves across a blockchain as the settlement medium

  • An off-ramp converts it back into local currency

  • The recipient receives funds — often in minutes, not days

 

This hybrid model keeps compliance and regulation at the edges, while using blockchain for what it does best: fast, transparent settlement.

The scale is no longer theoretical.

Stablecoin transaction volumes now exceed $7 trillion annually, rivaling — and in some periods surpassing — half of Visa’s global volume. Enterprises are already using stablecoins for treasury operations, B2B settlement, and cross-border liquidity management.

This is not a replacement of the financial system.
It’s an upgrade.

But it’s also incomplete.

The Question Stablecoins Don’t Answer

Stablecoins are excellent at answering one question:

How does money move efficiently?

They are far less equipped to answer another:

Who is money moving to — and under what permanent, enforceable identity?

Today’s stablecoin stack still depends on:

  • Bank accounts as identifiers

  • Wallet addresses as proxies for identity

  • Reversible permissions controlled by intermediaries

  • Temporary credentials tied to platforms, not people or institutions

 

As volumes grow, this becomes the bottleneck.

Settlement may happen in seconds, but identity, routing, and authority remain fragmented, revocable, and jurisdiction-dependent.

And that’s where real value migrates next.

The Missing Layer: Registry-Based Identity & Routing

Every mature financial system rests on registries.

  • Land registries define property

  • Corporate registries define legal entities

  • IP registries define ownership

  • DNS defines how the internet resolves destinations

 

Payments are no different.

At scale, money doesn’t just need rails — it needs names, namespaces, and rules.

What’s missing from the stablecoin conversation is a sovereign, human-readable registry layer that sits above settlement rails and defines:

  • Who can receive value

  • Under what identity

  • With what continuity

  • And under which governing framework

 

This is not about wallets.
It’s about non-revocable economic identity.

From Wallets to Names

Wallets are technical endpoints.
Registries create permanence.

A human-readable, registry-based identity:

  • Survives platform changes

  • Is not dependent on a single custodian

  • Can route payments across rails

  • Can be governed by clear, enforceable rules

 

This is why namespaces matter.

Family names.
Brand names.

Institutional identifiers.

Not as marketing labels — but as economic destinations.

A payment sent to family.pay, brand.commerce, or institution.bank is not just faster.
It is unambiguous, portable, and durable.

Where Value Actually Accumulates

As stablecoins commoditize settlement, margins compress at the rail level.

The durable value doesn’t sit in:

  • Issuing another stablecoin

  • Running another wallet

  • Adding another processor

 

It accumulates in whoever controls:

  • Identity namespaces

  • Routing permissions

  • Registry rules

  • Economic continuity

 

In other words: the layer that decides where money goes — not just how fast it gets there.

This mirrors the evolution of the internet itself.

Bandwidth became cheap.
Names became priceless.

Regulated Infrastructure, Not Disruption Theater

Crucially, this next layer is not about “disrupting” banks or regulators.

It’s about abstracting complexity while preserving compliance.

The model looks like this:

  • Banks, on-ramps, and off-ramps handle KYC/AML

  • Stablecoins handle settlement

  • Regulated venues handle issuance and trading

  • Registries handle identity and routing

  • Arbitration handles disputes and enforcement

 

Each layer does what it’s good at.

No custody games.
No hidden float.
No shadow banking.

Just clear roles and clean interfaces.

Why This Matters Now

The convergence is already happening:

  • Regulated digital asset venues are aligning with enterprise blockchains

  • Stablecoins are becoming treasury instruments

  • Merchants of Record are being re-designed

  • AI agents are beginning to transact autonomously

 

All of this requires something we don’t yet have at scale:

A neutral, registry-based identity layer for value.

  • Not accounts.

  • Not wallets.

  • Names.

The Long View

The stablecoin sandwich is real — and it’s here to stay.

But settlement is only the middle.

Above it sits the layer that will define the next decades of global commerce:


who owns identity, who controls routing, and who provides continuity across systems and jurisdictions.

That layer won’t be loud.
It won’t be speculative.
And it won’t be optional.

It will be infrastructure.

The End of Payment Processors - Why Builders Are Becoming Banks

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About the Author
 

Stephan Schurmann, Founder & Executive Chairman of World Blockchain Bank, has worked for more than 35 years on the establishment of banks, trusts, captive insurance structures, and cross-border financial architectures across over 80 jurisdictions.

Over that period, he encountered the same systemic failures repeatedly discussed across several online forums:


Bank licenses revoked due to political instability, residency and Golden Visa programs shut down under external pressure, and bank and payment accounts frozen or terminated without substantive cause — from traditional institutions to major payment processors.​ 

 

Rather than treating these outcomes as isolated incidents, his work focused on identifying why jurisdiction-dependent systems fail under regulatory, political, and correspondent pressure, and on designing structural alternatives that remain functional when permissions are withdrawn.

Public discussion is intentionally limited.
Serious conversations happen privately.

Contact: executive@worldblockchainbank.io

The Stablecoin Sandwich Is Real — But It’s Missing Its Most Important Layer

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