Tether's USDT stablecoin has achieved near-total dominance across Latin America's stablecoin markets, controlling between 90% and 100% of transaction volumes in most countries where it operates. A new report from Oobit, a payments and remittance platform, reveals that USDT functions as the de facto dollar proxy throughout the region, while its largest competitor, Circle's USDC, struggles to gain meaningful traction except in Argentina.

How Dominant Is USDT in Latin American Stablecoin Markets?

The data from Oobit paints a striking picture of USDT's regional control. According to research sourced from Artemis and Obchakevich Research, USDT's market share varies by country but remains overwhelming across the board:

• Bolivia, Peru, and Ecuador: USDT holds effectively 100% of stablecoin transaction volumes
• Colombia: USDT commands approximately 98% of stablecoin volumes
• Chile and Brazil: USDT maintains roughly 90% market share
• Argentina: USDT still leads with 53% of volumes, while USDC captures 46%, the only market where USDC holds a relevant share

This concentration is remarkable given that USDC is issued by Circle, a regulated stablecoin issuer backed by major financial institutions. Yet in most Latin American markets, USDC barely registers as a competitor. The dominance of USDT suggests that factors beyond regulatory backing or institutional support are driving stablecoin adoption in the region.

What's Driving USDT's Regional Dominance?

Several practical factors explain USDT's overwhelming adoption in Latin America. First, USDT arrived in the region earlier and has built deeper liquidity and merchant acceptance over time. Second, the stablecoin has become embedded in the region's informal financial infrastructure, where it functions as a cash equivalent rather than a speculative asset. This distinction is crucial to understanding why USDT has become so entrenched.

Oobit's business model illustrates how stablecoins are being used in everyday transactions. The platform allows users to spend USDT directly from self-custody wallets like Phantom, MetaMask, and Trust Wallet at merchants that accept Visa cards. The company converts stablecoins to local fiat currency instantly on regulated Visa rails, meaning merchants receive local currency within seconds while users remain in the crypto ecosystem. This infrastructure connects stablecoins to Visa's network of 150 million merchants worldwide.

Real transaction data reveals the practical nature of stablecoin adoption in the region. Oobit users complete payment transactions primarily at grocery stores (35%), restaurants (8.8%), department stores (5.3%), and fast food establishments (4.1%). These are not speculative or status-driven transactions; they represent everyday spending on necessities. This pattern demonstrates that stablecoins have become the crypto equivalent of cash in Latin America, not a display of wealth or investment vehicle.

How Is Stablecoin Adoption Growing in the Region?

The growth trajectory in Latin America's stablecoin markets is accelerating. Brazil, one of the region's largest economies, has experienced 202% activity growth since Oobit launched operations there. Active users on the platform average 20 transactions per month, indicating sustained engagement rather than one-time adoption.

Oobit recently expanded its footprint by launching operations in Colombia, marking the company's ninth live market in the region. This expansion suggests that the infrastructure for stablecoin-based payments is becoming increasingly accessible across Latin America. As more payment platforms integrate stablecoin functionality and connect it to traditional merchant networks, the use cases for USDT and other stablecoins will likely expand beyond current levels.

The regional dominance of USDT raises questions about the future of stablecoin competition globally. While regulators in Europe and other developed markets have favored regulated stablecoins like USDC, Latin America's market dynamics tell a different story. In regions where traditional banking infrastructure is less accessible or less trusted, first-mover advantage, liquidity depth, and integration with payment networks appear to matter more than regulatory pedigree. USDT's near-monopoly in Latin America suggests that stablecoin adoption patterns may diverge significantly across different regions, with local economic conditions and payment infrastructure playing a larger role than global regulatory trends.