Headline: Solana’s Lily Liu: Stablecoins and blockchains are building the payment rails for an “AI machine economy”
At Consensus Miami 2026, Solana Foundation president Lily Liu argued that recent corporate moves into stablecoins are confirming what proponents have long said: blockchains are evolving into real-world financial infrastructure — and crucial scaffolding for an emerging “AI machine economy.”
Liu pointed to high-profile integrations — including Meta and Western Union enabling stablecoin payments on Solana — as proof that enterprises increasingly view blockchain rails as practical infrastructure, not just speculative tech. She also recalled Visa’s 2023 decision to add stablecoin settlement on Solana after “an extensive objective review,” saying the appeal is straightforward: “Fast and cheap is a no-brainer for payments.”
But Liu said speed and low fees are only part of the picture. Enterprises need deep liquidity, developer talent and a rich ecosystem of applications around those rails. In that context, she called Western Union’s move to blockchain “a particularly meaningful milestone,” noting that when she entered crypto in 2014, Western Union had been the industry’s “white whale.”
Liu expanded the conversation beyond human payments to the machine-to-machine possibilities unlocked by blockchains. She described a future of “agentic commerce,” where AI agents autonomously buy, sell and coordinate services. Traditional internet payments, she argued, are anchored to credit cards and their interchange fees, which make microtransactions uneconomic. Blockchains, by contrast, can support sub-dollar transfers and real-time payment streaming — infrastructure better suited to the tiny, frequent transactions that Liu says make up the bulk of internet activity.
On security and governance, Liu defended the Solana ecosystem’s recent hands-on responses to incidents involving projects such as Vault and Drift. She argued that, at times, preserving market confidence justifies intervention even when it cuts against purely competitive incentives within decentralized finance.
Looking ahead, Liu urged the industry to rethink blockchains’ primary purpose. “Blockchains are fundamentally financial rails first and foremost,” she said, arguing their longer-term promise extends past payments into what she dubbed “internet capital markets” — systems that could let companies and even sovereigns access global capital formation more directly.
Whether enterprises, regulators and developers will align quickly enough to realize that vision remains an open question, but Liu’s message was clear: stablecoin adoption by big players is more than a trend — it’s the foundation for a machine-driven economy and a broader financial infrastructure built on blockchain rails.
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