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Engineering

The Digital Receipt Protocol (DRP) Explained

Alex Rivera·CTO
January 5, 2026
8 min read

At the heart of Vero is the Digital Receipt Protocol (DRP)—an open standard we developed to solve the privacy challenges inherent in digital receipt delivery.

The Privacy Challenge

Digital receipts seem simple until you consider the privacy implications. If card issuers can see your itemized purchases, that's a massive breach of trust. Your bank knowing that you bought coffee is one thing; knowing exactly what medications you purchased is another.

We needed a system where receipts could flow through card networks without being readable by intermediaries.

How DRP Works

DRP uses public-key cryptography to ensure end-to-end encryption:

  1. Key Generation: When you link your card to receive digital receipts, a unique key pair is generated on your device.
  2. Encryption at Source: The merchant's POS system encrypts receipt data using your public key before it leaves the store.
  3. Blind Delivery: Card issuers route the encrypted receipt to your device without being able to decrypt it.
  4. Local Decryption: Your banking app uses your private key to decrypt and display the receipt.

Open Standard

DRP is open source and available for anyone to implement. We believe that digital receipts should be an open ecosystem, not a walled garden controlled by any single company.

Learn More

The full DRP specification is available on our documentation site. We welcome contributions and feedback from the developer community.

Ready to get started?

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