A receipt issued in Spain, but the tourist exits the EU through Italy or Portugal. No traceability, no interoperability between countries.
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.
Borderless Receipt
The merchant issues the Tax Free receipt, recorded on blockchain in real time.
Automatic issue Tax Free
The tourist carries the digital receipt across any EU country.
Instant Border Validation
Customs verifies and validates in seconds.
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.