blockchain tax free

STAMP Blockchain Tax Free Infrastructure

The blockchain infrastructure connecting merchants, tourists, customs and tax authorities in a traceable, interoperable European Tax Free.
Diagram with a central icon connected by lines to four icons around it: an ear representing accessibility, a shield representing security, a user profile, and a credit card symbolizing payments.
Three portraits of diverse smiling adults connected by curved lines to icons representing a robot and a globe, symbolizing communication or networking.
Central black square with a yellow glowing border and abstract two-stripe logo, connected by white lines to four smaller white squares each containing a different icon: top left shows a circular line with a wallet, top right shows two human figures, bottom left shows a shield with a checkmark, bottom right shows a credit card symbol.
The problem

European Tax Free is broken

A receipt issued in Spain, but the tourist exits the EU through Italy or Portugal. No traceability, no interoperability between countries.
Dark green background with a neon green icon in the center surrounded by three blurred digital cards showing financial information including VAT, prices in euros, and a Spanish flag on one card.
The solution

A trust layer for European Tax Free

STAMP builds the blockchain infrastructure to register, verify and trace Tax Free receipts in real time from the merchant to the exit customs point, across any EU country.

Smart contracts

Automating tax and customs rules across every state.

Immutable records

Every transaction recorded once, and verifiable.

National connectors

Native integrations with existing national tax systems.

ISBE & EBSI ready

Built on European blockchain standards from day one.
How it works

One flow, from receipt to refund

From merchant to border to audit — one traceable chain, recorded on blockchain in real time.
Digital tax-free receipt showing blockchain verification completed in 1.2 seconds with receipt ID 0x7a3b...9f2e, dated May 27, 2026, from Zara Madrid, with an amount of €1,250.00.Dashboard interface welcoming user Paula with metrics showing 2,420 transactions today, €24,890 tax free processed, and revenue over time graph. Sidebar includes navigation for Home, Dashboard, Projects, Tasks, Reporting, Support, and Settings. Top countries listed by percentage are Italy 56%, Spain 35%, Norway 14%, France 7%, and Netherlands 7%.

Borderless Receipt

The merchant issues the Tax Free receipt, recorded on blockchain in real time.
A man dressed in a gray herringbone coat and white shirt walking confidently in a blurred, busy urban environment.Dashboard interface on a tablet screen for Maison Retail showing user Paula's business metrics including 2,420 transactions today, €24,890 tax-free processed, revenue over time chart from January to December, and top countries by percentage with Italy leading at 55%. Menu on left side features Home, Dashboard with subitems Overview, Notifications, Transaction history, Projects, Tasks, Reporting, Support, and Settings. Buttons for Import and Add brand appear top right.

Automatic issue Tax Free

The tourist carries the digital receipt across any EU country.
A smiling woman with long brown hair wearing a beige trench coat is holding a smartphone and standing next to a suitcase with an airport terminal background where several travelers are walking.Smartphone screen showing a mobile app home page with a welcome message to Stamp, options to learn how Stamp works, discover nearby stores on a map, and buttons to download from the App Store and Google Play.

Instant Border Validation

Customs verifies and validates in seconds.
Two professional women sitting at a desk in an office, looking at documents together with a computer monitor in the background.Data overlays on a city background showing €2.4 million tourist spending mapped this month and 38% in the top commercial zone.

Full Audit Traceability

Tax authorities audit with full traceability.
for who

Built for every participant

Merchants

Less admin, fully digital process and automatic validation.

Tourists

Faster, transparent Tax Free with no friction at the border.

Customs and tax authorities

Real-time traceability, fraud reduction and automated auditing
ALL IN ONE

Your shopping companion.
Before, during, after.

The STAMP app is where everything lives. Register once, find partner stores, pay tax free, and follow your invoices; all in the same place.
why stamp

One infrastructure, every participant

Immutable traceability

Real-time verification eliminate fraud, duplicates and errors across every country involved. The process becomes fully digital, faster and transparent, reducing friction for the tourist and administrative burden for the merchant.

A solid infrastructure

A infrastructure that connects merchants, tourists, customs and national tax authorities under a single trust layer for European Tax Free.
blockchain tax free

European Tax Free needs a common infrastructure. Stamp is building it.

Stylized blockchain icons arranged with a central dark square featuring a yellow angular symbol, labeled signed; surrounding icons represent verified status with text, a shield with a check mark, a wallet, and a handbag.