Altitude and Matera are demonstrating at Money20/20 USA an application of the US ANSI X9.150 QR payment standard for business-to-business payments. The demo shows how an invoice becomes a structured, digitally signed payment request that is settled in USDC on Solana. A payment status update is then returned automatically. X9.150 was published in July 2026 as the first US national standard for QR code payments.

What it means: The problem this demo tackles is very practical. Businesses receive invoices as PDFs, copy the payment details by hand and retype them into another system. Each step creates room for error and for fraud, such as a swapped IBAN on a fake invoice. A structured request with a digital signature lets the payer's system check who sent it and whether it has been altered. Stablecoins are only one option, since the standard was designed for many payment methods. For Greece, the topic is directly relevant. Mandatory e-invoicing is being extended to all businesses, and invoices issued through providers already have a structured format with a registration mark. The logical next step is to link the invoice to a verified payment request, so that settlement via IRIS or SEPA instant transfer happens without retyping. The EU instant payments regulation already requires payee verification. Combining these pieces would sharply reduce fake-invoice fraud, which often hits small firms.

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