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Central Bank Starts Blocking Pix Keys; Measure Targets Fintechs and Suspicious Transactions of Up to R$ 50 Billion

Written by Bruno Teles
Published on 05/10/2025 at 11:20
Updated on 05/10/2025 at 11:21
Cerco do Banco Central a fintechs começa com bloqueio em massa de chaves Pix e restrição a transferências acima de R$ 15 mil
Cerco do Banco Central a fintechs começa com bloqueio em massa de chaves Pix e restrição a transferências acima de R$ 15 mil
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New Central Bank Measure Targets Digital Financial Institutions and Tightens the Screws on Fraud and Money Laundering in the Instant Payment System

The Central Bank began this Saturday the blocking of Pix keys associated with fraud, scams, and suspicious transactions throughout the national financial system. The measure particularly affects fintechs and digital banks that concentrate a large volume of transactions under investigation, estimated at up to R$ 50 billion, according to data from the Federal Police.

The action marks a new phase in the BC’s effort to enhance Pix security — a system that revolutionized payments in the country but has also become a target for criminals and irregular companies. The blocked keys were identified by the financial institutions participating in the system, which now have the obligation to pass this information to the monetary authority to avoid repeat fraud.

Blocking of Keys and Transaction Limits

Central Bank Starts Blocking Pix Keys; Measure Targets Fintechs and Suspicious Transactions of Up to R$ 50 Billion

According to the Central Bank, the blocking of Pix keys aims to protect the system against misuse by criminal organizations.

The mechanism was discussed at the Pix Forum, an advisory group that brings together about 300 representatives from the financial sector, fintechs, and civil society.

In addition to the blocking, the BC limited transfers via Pix and TED to R$ 15,000 per operation for unauthorized payment institutions operating as banks.

The decision was made after three major operations by the Federal Police, Carbono Oculto, Quasar, and Tank, revealed the use of fintechs in schemes involving money laundering and artificial transactions of billions of reais between digital accounts.

These actions, according to the BC, aim to curb suspicious flows of large volumes between shell companies and virtual wallets, which have been used to conceal the origin of illicit funds and bypass the financial monitoring system.

Fintechs Under Surveillance and Market Impact

The measure has a direct impact on the fintech ecosystem, which has grown rapidly since the popularization of Pix in 2020.

The BC is now looking to balance innovation and security, in a scenario where the speed of instant transactions has also become a gap for sophisticated scams.

For the institutions, the new protocol represents an increase in monitoring and risk communication responsibilities.

Digital banks will need to use public and private databases to identify suspicious accounts and reject transfers even before they are completed.

When this occurs, the customer will be automatically notified of the rejection and the reason stated by the institution.

Industry experts believe that the new rules could reduce the speed of operations between digital accounts, but they strengthen the credibility and reliability of the Pix system, which already moves trillions of reais per quarter.

Technological Reinforcement and Digital Refund

Alongside the blocking of keys, the Central Bank has made it mandatory to integrate the transaction dispute button in the apps of all financial institutions.

The objective is to fully digitize the Special Refund Mechanism (MED), created in 2021 to allow fraud victims to request reimbursement quickly and securely.

With the automation of the MED, refund requests will be analyzed in real-time, reducing the response time from banks and increasing the recovery rate of funds.

For the BC, this complete digitization represents an advancement in assisting victims and combating financial crime, without compromising the characteristic speed of Pix.

A New Chapter in Financial System Regulation

The offensive by the Central Bank reinforces a global trend of tightening regulation on instant payment platforms.

The Brazilian experience, considered one of the most advanced in the world, now serves as a reference for other countries seeking to balance financial inclusion and fraud prevention.

However, analysts warn that the effectiveness of the measures will depend on the cooperation of fintechs and traditional banks, which need to align their compliance systems and strengthen automated risk analysis.

The expectation is that new complementary regulations will be published later this year to broaden the scope of oversight and define stricter criteria for the operations of payment institutions.

With the blocking of Pix keys and the limitation of amounts at fintechs, the Central Bank sends a clear message: the expansion of the digital financial system must come with transparency and responsibility.

The challenge now is to preserve the speed and efficiency of Pix without compromising user trust and the integrity of the system.

Do you think the Central Bank is right to tighten the screws on fintechs and block suspicious Pix keys, even if it makes the system slower? Leave your opinion in the comments; we want to hear from those who have faced scams or work with digital payment methods.

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Nilton
Nilton
06/10/2025 23:31

Vamos começar denunciando banco E2 entre outros veja são estelionatários segue Pix para serem bloqueados:
98987468869
00020101021226880014br.gov.bcb.pix2566qrcode.microcashif.com.br/pix/39dc0dc1-424b-44a2-bf3d-ac2c92656f115204000053039865802BR5905James6009Fortaleza62070503***630488AA

00020101021226880014br.gov.bcb.pix2566qrcode.microcashif.com.br/pix/3eb5fb11-62ca-4c52-b458-3786dda739bb5204000053039865802BR5909Guilherme6008SaoPaulo62070503***630446C2

00020101021226880014br.gov.bcb.pix2566qrcodes.saq.digital/v2/qr/cob/a464d02c-15fc-49d6-b519-bf72d09a53ba5204000053039865802BR5925LUMINA INTERMEDIACAO E IN6009SAO PAULO62070503***6304D86D

Bruno Teles

Falo sobre tecnologia, inovação, petróleo e gás. Atualizo diariamente sobre oportunidades no mercado brasileiro. Com mais de 7.000 artigos publicados nos sites CPG, Naval Porto Estaleiro, Mineração Brasil e Obras Construção Civil. Sugestão de pauta? Manda no brunotelesredator@gmail.com

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