Visa has joined Stripe’s Tempo blockchain as an “anchor validator,” marking a notable institutional endorsement of the layer-1 network designed for real-time payments and agentic commerce. The payment giant joins Stripe and Zodia Custody by Standard Chartered—design partners that helped build Tempo from the start—to support the protocol that aims to power stablecoin payment rails and autonomous, machine-driven transactions.
Tempo, created by Stripe in partnership with crypto VC firm Paradigm, launched its mainnet in March and recently introduced the Machine Payments Protocol (MPP), an open standard that lets AI agents pay for services autonomously. The addition of major payment firms as validators underscores the network’s focus on enterprise-scale payments: collectively, these companies process trillions of dollars in payment volume worldwide each year.
Visa says it configured and will manage its validator node in-house after six months of joint engineering work with the Tempo team. “We’ve spent years building our expertise in blockchain, and now we’re expanding that work by running critical blockchain infrastructure ourselves,” said Visa Head of Crypto Cuy Sheffield. “By operating a validator on Tempo, we’re extending Visa’s commitment to reliability, security, and trust into blockchain networks—supporting the development of stablecoin payment systems that meet the high operating standards our clients and partners expect.”
As a Tempo validator, Visa will earn stablecoin rewards when it serves as the lead validator that processes transactions into blocks. Tempo’s go-to-market lead Nischay Upadhyayula framed Visa’s operational footprint as a key reason for its selection: “Visa processes billions of transactions across nearly every country in the world. That kind of operational rigor is exactly what we look for in validators on Tempo, built for payments at enterprise scale. They've been a design partner since day one, and joining as a validator is a natural extension of that work.”
Tempo says more validators will be announced in the future as it expands its infrastructure. For now, having Stripe, Visa and Zodia Custody actively running nodes represents a significant step toward institutionalizing blockchain-based payment rails and real-time, machine-enabled commerce.
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