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A Receita Federal já aplicou aproximadamente R$ 54 milhões em multas relacionadas a falhas, inconsistências e omissões nas declarações de operações com criptomoedas no Brasil.
Esses dados constam em um relatório encaminhado pelo Fisco ao Congresso, em resposta a questionamentos da Câmara dos Deputados sobre a fiscalização de apostas e transações com criptoativos.
O montante corresponde a dez processos de fiscalização já concluídos, que tiveram como foco inicial a verificação de irregularidades na apuração de ganhos de capital e rendimentos vinculados a ativos digitais.
As autuações foram emitidas de forma direta após a identificação de problemas nas declarações dos contribuintes, evidenciando que a Receita vem ampliando o uso de ferramentas analíticas e cruzamento de dados para monitorar operações com criptomoedas.
Segundo o órgão, o acompanhamento das transações com ativos virtuais integra um processo mais amplo de controle tributário, que combina informações fornecidas pelos próprios contribuintes com dados de terceiros obtidos por meio de obrigações acessórias e outros mecanismos legais.
No caso específico das criptomoedas, a principal fonte de dados é a Declaração de Criptoativos (DeCripto), criada pela Instrução Normativa nº 1.888, de 2019, e atualizada pela Instrução Normativa nº 2.291, de 2025. A partir dessas informações, a Receita desenvolveu sistemas internos de análise para identificar anomalias e também utiliza soluções tecnológicas disponíveis no mercado para reforçar a fiscalização.
Fiscalização com desafios
O Fisco informou que participa de licitações para adquirir softwares especializados em rastreamento e análise de transações em blockchain, buscando ampliar sua capacidade de monitorar operações realizadas fora do sistema financeiro tradicional.
Apesar disso, reconhece limitações, como a falta de intercâmbio automático de dados sobre usuários e transações de criptomoedas com outros países, o que dificulta a identificação de ativos mantidos no exterior ou em plataformas estrangeiras.
Essa limitação deve ser reduzida com a adoção do Crypto Asset Reporting Framework (CARF), iniciativa da OCDE da qual o Brasil é signatário. A partir de 2027, a Receita passará a compartilhar e receber informações sobre criptoativos com diversos países, o que deve ampliar o alcance da fiscalização e permitir maior precisão na identificação de ativos não declarados.
Embora já tenha aplicado multas expressivas, o órgão afirma não possuir estimativas sobre valores prescritos ou decadentes relacionados a tributos sobre operações com criptoativos desde 2019, devido ao regime de lançamento por homologação — em que o próprio contribuinte calcula e paga o imposto, cabendo à Receita apenas a conferência posterior.
Além das autuações específicas, a Receita destacou que há outros processos fiscais envolvendo criptomoedas, mas que não foram incluídos no levantamento por se enquadrarem em infrações comuns a diferentes áreas tributárias.
Por fim, o órgão informou que ainda não há uma estimativa oficial sobre o volume total de criptoativos não declarados por brasileiros, avaliação que só deverá se tornar mais precisa com o início do intercâmbio internacional de informações previsto pelo CARF.

A new investigation points out that Venezuela has increasingly depended on cryptocurrencies, while the United States and its allies intensify pressure for a regime change in the country.
After almost ten years of economic isolation, severe sanctions, and financial collapse, digital currencies — especially Tether's USDT stablecoin — have become an essential part of the daily life of Venezuelans, according to a report by TRM Labs.
The document emphasizes that the Venezuelan crypto economy, largely unregulated, has already contributed or can still contribute to the country evading international restrictions.

If the government decides to apply the Tax on Financial Transactions (IOF) to cryptocurrency transactions, treating them as currency exchange operations as provided in the Central Bank's regulations, the revenue could vary between R$ 3 billion and R$ 5 billion. This projection was made by economists at the request of the newspaper Valor Econômico.
One of the consulted specialists, Tiago Sbardelotto, from XP, used data from the Central Bank's balance of payments regarding transactions with cryptocurrencies. The recorded amount reaches approximately R$ 100 billion in 12 months and could reach R$ 130 billion if the trend observed in October continues.

The Trump Billionaires Club, a mobile game inspired by Donald Trump and integrated with cryptocurrencies, is set to launch at the end of this year. This information was announced on Tuesday (9) on X by the official account of the memecoin Official Trump (TRUMP), created on the Solana network.
According to the developers, this is the “first and exclusive mobile game aimed at true Trump fans,” promising participants the chance to compete for a share of $1 million in prizes paid in TRUMP tokens.

Senator Flávio Bolsonaro (PL-RJ), who is also a pre-candidate for the Presidency, does not limit himself to legislative activities. In addition to his work in Congress, he performs functions as a lawyer and businessman, which, he claims, complement his income. A report from the newspaper O Globo revealed that, outside of politics, the parliamentarian has legally represented former partners of Glaidson Acácio dos Santos, known as the 'Bitcoin Pharaoh.'
According to the Federal Public Ministry (MPF), Glaidson would be the leader of a billion-dollar financial pyramid scheme based on cryptocurrencies, operated by GAS Consultoria, which is said to have moved approximately R$ 38 billion over the years.

Federal Reserve cuts rates again
The Federal Reserve announced on Wednesday (10) a cut of 0.25 percentage points in interest rates in the United States, bringing the range to between 3.50% and 3.75%. This was the third consecutive reduction. The decision was approved by a vote of 9 to 3, with some members of the Federal Open Market Committee (FOMC) advocating for the maintenance of interest rates. Signals indicate that upcoming adjustments are likely to be less frequent and moderate than the market had anticipated.
Cryptocurrency market reaction

A recent investigation in the cryptocurrency market indicates that, since the end of last year, a group of users known as 'degens', organized via Telegram, has been promoting pump-and-dump attacks on different blockchains. The strategy consists of inflating low-cap tokens to million-dollar values in a matter of minutes and then withdrawing all liquidity.
According to a report from CoinDesk, the forensic analysis was conducted by Solidus Lab and published in a report. The group, called PumpCell, mainly focuses its actions on Solana and the BNB Chain, having gained about $800,000 in profits just in the month of October.

CVM extends the deadline for the public consultation on tokenization
The Securities and Exchange Commission (CVM) decided to extend the public consultation period regarding the review of Resolution CVM 88, which addresses the tokenization norms. The deadline, which was initially set to end on December 23, has been extended to January 23, 2026, allowing more interested parties to submit their suggestions. This initiative is part of the Regulatory Agenda 2025 of the agency.
In a statement, CVM highlighted that the changes aim to update and expand the investment crowdfunding model, keeping up with the advancement of securitization operations and promoting the gradual entry of agribusiness into the capital market.

A American Bitcoin, a company dedicated to mining and managing Bitcoin reserves, of which Eric Trump is co-founder and strategy director, announced that it has acquired approximately 416 new bitcoins in the last week. As a result, the company's total assets reached 4,783 BTC on December 8, 2025.
The amount purchased, valued at approximately US$ 38 million at current prices, highlights the rapid growth pace of the company. Hut 8 is the main shareholder and the company debuted on Nasdaq just three months ago.

Kalshi, a prediction markets platform and main rival of Polymarket, is involved in a complex legal dispute in the United States, led by regulators in the state of Connecticut. This week, the company achieved a temporary victory, managing to suspend the enforcement actions taken by local authorities, according to the portal The Block.
Among the founders of Kalshi is the Brazilian Luana Lopes Lara, 29, who became the youngest billionaire in the world to earn her fortune independently. A graduate in Computer Science from MIT, Luana took an unconventional path before entering the financial sector: she studied ballet and even performed professionally in Austria. In 2018, she and Lebanese Tarek Mansour, also an MIT graduate, founded Kalshi.

SpaceX, founded by Elon Musk, has resumed moving part of its Bitcoin reserves. This time, the company transferred 1,021 BTC — about $94.5 million — to two unidentified addresses, with 614 BTC allocated to one and 407 BTC to the other, according to data from Lookonchain.
These operations began in July when the company sent 1,308 BTC to an address that had been inactive until then, marking its first on-chain transaction in over three years. In October, new movements occurred: 1,187 BTC were directed to an address starting with 'bc1qq' and another 1,208 BTC to an address starting with 'bc1qj7'.

On the night of Tuesday (10), Yi He's account — recently appointed co-CEO of Binance — on the Chinese app WeChat was hacked. According to Changpeng “CZ” Zhao, founder of the cryptocurrency exchange, the criminals used the profile to promote a little-known memecoin.
The objective of the invaders was to apply the pump-and-dump scheme: they took advantage of the executive's credibility to induce investors to believe that the MUBARA token was backed by Binance, artificially inflating its price. After the sudden appreciation observed on some decentralized platforms, the scammers disposed of the coins and disappeared with the money.

Operation Kryptolaundry
On Tuesday (9), the Federal Police launched Operation Kryptolaundry, aiming to dismantle a large scheme for irregular investment collection and money laundering via cryptocurrencies in the Federal District.
According to the Metrópoles portal, the investigated group is linked to Glaidson Acácio dos Santos, known as the "Bitcoin Pharaoh," responsible for causing losses to thousands of people through the financial pyramid of GAS Consultoria.

After days of fluctuation at the beginning of the week, Bitcoin shows recovery this Wednesday (10), registering an increase of 3.1% and being traded at US$ 92,886. In reais, the main cryptocurrency returns to the level of R$ 500 thousand, quoted at R$ 503,874.
This appreciation occurs at a decisive moment for the markets, as the FOMC meets today to define the new interest rate of the United States. The prevailing expectation among analysts is that the third interest rate cut will be announced in 2025.

The trial of Do Kwon
The founder of Terraform Labs, Do Kwon, will have his sentence defined next Thursday (11). Before that, Judge Paul A. Engelmayer of the Southern District Court of New York requested a series of clarifications from the parties involved in order to make his decision.
According to court documents and information from CoinDesk, the judge submitted six formal questions, seeking to fill important gaps regarding the execution of the sentence, the impacts on the victims, and the international legal situation of Kwon.

Malaysia has advanced its digital transformation agenda in the financial sector by officially announcing the RMJDT, a stablecoin linked to the ringgit — the national currency — launched on the public blockchain Zetrix, which serves as the foundation for the Malaysia Blockchain Infrastructure (MBI). The announcement was made this Tuesday (9) by Bullish Aim Sdn. Bhd., a company led by Tunku Ismail Ibni Sultan Ibrahim, Regent of Johor.
The project is part of the country's regulatory sandbox aimed at digital assets, a space that allows the government to closely monitor experimental initiatives. The expectation is that the new digital currency will strengthen the international use of the ringgit in foreign trade operations and make Malaysia more attractive to global investors.

The U.S. Commodity Futures Trading Commission (CFTC) has launched an experimental project that allows the use of tokenized digital assets as margin collateral in the country's derivatives markets. This measure is considered one of the most significant regulatory changes for the cryptocurrency sector since the approval of the GENIUS Act — legislation that established rules for stablecoins in the U.S. earlier this year.
According to acting chair Caroline Pham, the goal is to integrate digital assets into U.S. regulated markets and reduce dependence on foreign platforms. In the first three months, only Bitcoin, Ethereum, and USDC (Circle's stablecoin) will be accepted as collateral.

The American billionaire Jamie Dimon, president and CEO of JPMorgan — one of the largest global banks — stated in an interview on the program Mornings with Maria, from Fox Business, on Monday (8), that he supports the use of cryptocurrencies, blockchain, and tokenization. According to him, the institution intends to expand the application of these technologies, especially blockchain and stablecoins, as they believe they can make financial services more efficient.
Dimon emphasized that both tokenization and blockchain are 'real' and are already being used to streamline processes and reduce costs, highlighting that the market has been discovering increasingly effective ways to leverage them.

BlackRock submitted an S-1 form to the U.S. Securities and Exchange Commission (SEC) on Friday (5) to launch the ETHB — a new Ethereum ETF that incorporates the practice of staking.
Unlike the well-known iShares Ethereum Trust (ETHA), which only tracks the price of the asset, the ETHB will have the differentiating feature of including the earnings obtained from the staking of the ETHs held by the fund.
According to the document, “the fund is a passive investment vehicle, whose objective is to track the price of Ethereum and to perform staking of a portion of the assets in the portfolio, in proportions that may vary over time.”

The Polymarket betting market indicates a 95% probability that the Federal Reserve (Fed) will cut the interest rate in the United States by 25 basis points. The decision will be made at the meeting this Wednesday (10), which concludes the central bank's calendar for this year.
The bets have already moved US$ 296 million in liquidity. The option for a 25 basis point cut has limited returns due to strong demand: the 'Yes' contract costs US$ 0.95 and pays US$ 1, resulting in a profit of only US$ 0.05.