Senator Warren Questions Meta Stablecoin Trial Ahead of 2026 Digital Payments Expansion

US Senator Elizabeth Warren has pressed Meta for detailed information about its reported plans to integrate a third-party stablecoin across its platforms, warning of potential risks to financial stability, competition, and user privacy.

In a letter addressed to CEO Mark Zuckerberg, Warren raised concerns about Meta’s reported “small and focused trial” of a stablecoin system ahead of a wider rollout expected in 2026 across its social ecosystem, which serves over 3.5 billion users globally.

Concerns Over Financial Control, Privacy, and Systemic Risk

Warren cautioned that integrating stablecoins into MetaPay could allow the company to gain deeper visibility into user transactions, potentially creating competitive advantages in advertising and payments. She also referenced Meta’s earlier Libra project, which faced regulatory pushback over fears it could resemble a privately controlled financial system.

The senator warned that large-scale adoption of a Meta-linked payment system could raise risks similar to traditional banking systems, including concerns about liquidity stress and possible taxpayer exposure during financial disruptions.

Meta’s Stablecoin Strategy Faces Regulatory Scrutiny

Warren has requested detailed disclosures on Meta’s stablecoin partners, wallet design changes, profit-sharing arrangements, and privacy safeguards, with a deadline set for May 20.

The inquiry comes as stablecoins surpass $303 billion in total supply globally, with major issuers like Tether and Circle dominating the market, and as corporations increasingly explore blockchain-based payment systems for global transactions.