Trump Tariffs Target Brazil's Pix as Dollar Stablecoins Quietly Dominate Payments

US sets 25% tariff on Brazil over Pix

The Office of the United States Trade Representative (USTR) announced a 25% tariff on most Brazilian goods under Section 301 of the Trade Act. The duties are set to take effect on 22 July 2026. The action targets Brazil's Pix instant payment system, which US officials say disadvantages American payment firms. Pix mandates free access for individuals and caps merchant fees, a structure Washington argues undercuts card networks such as Visa and Mastercard. The measures cover about 18% of Brazil's exports to the United States, worth roughly $7 billion a year.

"Today's action is necessary to address these unfair trade practices to ensure American workers and companies can compete on a level playing field.", 18 July 2026. — Jamieson Greer, US Trade Representative

Pix dominates Brazil's domestic payments

Pix, operated by Brazil's central bank, launched in November 2020 and settles payments at near-zero cost. More than 90% of Brazilian adults now use the system, and over 170 million individuals have made a Pix payment. In June 2026, Pix processed nearly 7 billion transactions worth roughly R$3 trillion, about $590 billion. In the second half of 2025, it recorded 42.9 billion transactions, against 23.8 billion across credit, debit and prepaid cards combined.

Dollar stablecoins handle most crypto volume

While Washington targets Pix, dollar-linked stablecoins already move most of Brazil's crypto value. Brazilian tax authority data shows stablecoins account for about 90% of the country's crypto transaction volume, most of it used for payments and settlement rather than speculation. Brazil processes between $6 billion and $8 billion in crypto each month. Much of that flow runs in dollar tokens instead of the real, the local currency. Companies favour the tokens to cut the currency spreads and settlement delays of traditional bank wires.

Stablecoins trade near their dollar pegs

The two largest dollar stablecoins held near their pegs at the time of publication. Tether (USDT) traded at $0.9993 with a market capitalisation near $184 billion (CoinPaprika, 19 July 2026). USD Coin (USDC) traded at $1.00 with a market cap of about $73 billion (CoinPaprika, 19 July 2026). Tether's market value is more than double USD Coin's. Both tokens settle on public blockchain networks, outside the domestic rails that Pix controls.

New rules restrict cross-border stablecoin settlement

Brazil is tightening its own stablecoin rules. Under Resolution 561, effective 1 October, payment firms may not settle cross-border payments in stablecoins or other crypto. The rule closes a back-end channel that had routed reais through dollar tokens, used by firms such as Nomad and Braza Bank. Licensed virtual asset providers can still use stablecoins under a separate framework, Resolution 521, which took full effect in February 2026.

Analysts call the two systems complementary

Some analysts see instant payments and stablecoins as complementary rather than rival systems. Pix handles fast domestic transfers, while dollar tokens serve cross-border and settlement uses that reach beyond national rails. The US tariff and Brazil's Resolution 561 both target payment infrastructure, yet pull in opposite directions on where dollars may flow.

"In practice, they are complementary. Pix has addressed domestic instant payments well, while stablecoins expand what is possible by operating on blockchain networks.", 18 July 2026. — Rodrigo Caggiano, Founder, RWA Monitor

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