Brazil’s central bank has quietly drawn a hard line between crypto and its official cross-border payment rails. A new rule now stops banks and payment firms from using cryptocurrencies, including stablecoins, to settle transfers inside the country’s regulated electronic foreign exchange system, known as eFX.
What the New eFX Rule Actually Does
On April 30, Banco Central do Brasil published Resolution BCB No. 561, updating rules for companies that offer regulated eFX services. These services handle certain cross-border payments and transfers under Brazil’s foreign exchange framework.
Under the new rule, any payment or receipt between a regulated eFX provider and a foreign counterparty must now settle through a traditional foreign exchange transaction or a non-resident Brazilian real account. The text explicitly bans the use of “virtual assets” for those settlements, which includes cryptocurrencies and stablecoins. As a result, crypto can no longer be used as the settlement asset inside Brazil’s supervised eFX channel.
However, the measure is not a blanket crypto ban. Brazilians can still send and receive crypto through exchanges or wallets that sit outside the regulated eFX rail. The central bank has instead ring‑fenced its official cross-border payment system, forcing those flows to use fiat-based settlement only.
Why Brazil is Tightening Rules on Crypto Flows
Regulators are reacting to the rapid rise of stablecoins in cross-border activity. According to the central bank, stablecoins account for roughly 90% of reported crypto-linked international transfers from Brazil. Officials worry that this trend can weaken oversight, especially for tax and anti–money laundering controls.
The central bank has also signaled concern about monetary sovereignty. Many of the stablecoins used in Brazil are issued abroad and sit outside local supervision. Authorities fear that letting these tokens operate inside the regulated eFX system could erode the state’s control over payment infrastructure and capital flows.
However, Brazil has not generally adopted an anti-crypto stance. It has developed additional reporting requirements for exchanges, implemented a licensing system for virtual asset service providers, and placed stablecoin transfers under foreign exchange regulations in recent years. This larger effort to keep cryptocurrency activity transparent and connected to conventional banking monitoring is reflected in the eFX ruling.
The change mostly affects how cross-border payments move through official channels. People who send money abroad using regulated eFX services will now see those transfers settled in fiat, even if they still buy or hold crypto elsewhere.
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