According to Brazil tax authority auditor Flavio Correa Prado, stablecoins such as USDT and USDC account for up to 90% of Brazil’s monthly crypto transaction volume, estimated at about $6 to $8 billion (source: Flavio Correa Prado, Brazil tax authority). For traders, this dominance indicates BRL-facing liquidity and flows are concentrated in USDT/BRL and USDC/BRL pairs within that $6 to $8 billion monthly range (source: Flavio Correa Prado, Brazil tax authority).