Investidores - Brasileiros

Crypto Security: Kraken Thwarts Attempt by North Korean Hacker to Infiltrate

Kraken, a cryptocurrency exchange, discovered an infiltration attempt by a North Korean hacker posing as a job candidate.

The hacker, using the alias Steven Smith, applied for an engineering position. During the hiring process, Kraken identified red flags, such as voice changes and the use of an email linked to North Korean hackers.

The investigation revealed that the candidate was part of a network of false identities, confirming that he was a state-sponsored hacker.

In a final interview, Kraken's Chief Security Officer, Nick Percoco, and his team confirmed the suspicions. The hacker was unable to verify his location or answer questions about his city and citizenship, revealing himself as an imposter.

Meanwhile, FinCEN proposed banning the Huione Group from Cambodia from the U.S. financial system for facilitating activities of North Korean hackers. Huione is accused of laundering over 4 billion dollars in illicit funds.

These incidents highlight a pattern of North Korean cyber attacks in the cryptocurrency sector, with hackers stealing millions of dollars and using tactics such as social engineering and malware.

Source: br.beincrypto

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Brazilian Arrested in the USA: Federal Police Seizes Cryptocurrencies and Luxuries in Mega Operation

Douver Torres, a Brazilian arrested in the USA since February 2025, was the target of the Federal Police's (PF) Operation Fantasos, which investigates his Ponzi scheme involving bitcoin.

The operation resulted in the seizure of cryptocurrencies, jewelry, boats, and luxury cars. Computers, mobile phones, and documents were also confiscated to assist in the investigations.

Torres is accused of stealing R$ 1.6 billion through his company Trade Coin Club (TCC). The operation aimed to confiscate assets up to the value of the fraud. Among the seized items were luxury cars, a speedboat, and cash in US dollars.

The operation involved the collaboration of US agents, including the FBI, HSI, and IRS, and highlights international cooperation in combating crimes, including in the cryptocurrency market.

Operation Fantasos, which resulted in the seizure of cryptocurrencies, jewelry, boats, and luxury cars from Douver Torres, underscores the effectiveness of international cooperation in combating financial crimes.

With the collaboration of US agents, the Federal Police managed to dismantle a R$ 1.6 billion Ponzi scheme, showing that justice can reach even the most sophisticated criminals.

This case serves as a warning for those who try to hide behind the anonymity of cryptocurrencies: the law is always one step ahead.

Source: G1

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USA: Trade deficit reaches $140.5 billion March/2025

The trade deficit of the United States jumped 14% in March compared to February, to $140.5 billion, according to data published this Tuesday, the 6th, by the U.S. Department of Commerce. Analysts consulted by FactSet had predicted a much smaller negative balance in March, of $132.4 billion.

The deficit for February was revised upward, from $122.66 billion to $123.20 billion.

U.S. exports rose 0.2% in March compared to February, to $278.46 billion, while imports advanced at a much stronger pace of 4.4%, to $418.96 billion.

Source: ADVFN Brazil

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Vitalik admits mistakes and promises to transform Ethereum into “Bitcoin 2.0”

Vitalik Buterin, co-founder of Ethereum, has proposed a radical restructuring of the blockchain protocol, aiming to simplify its code to improve longevity, security and accessibility. He admitted that the current complexity of Ethereum, despite advances such as Proof-of-Stake and zk-SNARKs, has led to slow development, high operational costs and security vulnerabilities.

Buterin suggested changes to the consensus layer, including a new “3-slot finality” model and the adoption of technologies such as STARKs to promote more effective decentralization. In the execution layer, he proposed migrating from the Ethereum Virtual Machine (EVM) to an architecture based on the RISC-V standard, aiming at performance improvements and compatibility with zero-knowledge proofs (ZK).

In addition, Buterin recommended the creation of unified standards in the Ethereum ecosystem to make the code more auditable and reliable. He believes that simplicity is key to the network's security and efficiency, and that these changes can help Ethereum become lighter, more accessible, and more robust over the next five years, while maintaining its relevance against the competition from other blockchains like Solana and Avalanche.

Source: Livecoins

"Vitalik Buterin, by admitting his mistakes and proposing to transform Ethereum into a "Bitcoin 2.0", seems to be saying: "Oops, we've made it too complicated! Let's simplify it before the competition swallows us up." It's ironic that, after so many technological advances, the solution is to go back to basics.

But there is hope! If the community embraces these changes, Ethereum can emerge stronger, lighter, and more accessible, ready to face a competitive and regulated future. After all, sometimes less is more." $BTC $ETH $BNB

Trump's crypto company is chosen for a $2 billion deal

Eric Trump announced at the Token2049 event on May 1st that the stablecoin USD1 from World Liberty Financial would be the official stablecoin supporting MGX's $2 billion investment in the cryptocurrency exchange Binance, according to reports.

Binance first reported the deal with the technology investment firm based in Abu Dhabi in March. At that time, World Liberty Financial, backed by Donald Trump, announced plans to launch a dollar-denominated stablecoin with BitGo.

World Liberty's coin, called USD1, aims to maintain a value of $1 and is fully backed by a reserve wallet, according to the initial launch. The agreement between Binance and MGX represents a significant victory for World Liberty, whose USD1 is an underdog in the stablecoin market.

The two leading stablecoins, USDT and USDC, together account for 91% of the total $231 billion market, according to data from The Block. At yesterday's event, the co-founder of Trump's company, Zach Witkoff, hinted that there would be future projects and integrations for the DeFi company. He is the son of the US envoy to the Middle East, Steve Witkoff.

However, Senator Elizabeth Warren stated that the deal raises "red flags." "An obscure fund backed by a foreign government just announced it will make a $2 billion deal using Donald Trump's stablecoins," she wrote in a statement.

"Meanwhile, the Senate is preparing to pass legislation on stablecoins that will make it easier for the president and his family to line their own pockets. This is corruption, and no senator should support it."

Source: CNN Brazil

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Japan says it has no plans to threaten the sale of U.S. Treasury securities in trade negotiations

Japan has no plans to threaten to sell its more than $1 trillion in U.S. Treasury securities in trade negotiations with Washington, its finance minister said on Sunday, clarifying previous comments that the securities could be used as a bargaining chip.

"My comments were made in response to a question about whether Japan could, as a bargaining tool in trade negotiations, explicitly assure Washington that it would not easily sell its Treasury securities," said Japanese Finance Minister Katsunobu Kato.

"The comments were not intended to suggest the sale of Treasury securities," Kato said at a press conference in Milan.

In a television interview on Friday, Kato said that Japan's U.S. Treasury securities could be used as a card up its sleeve in trade negotiations, explicitly increasing for the first time its influence as a major creditor of the United States.

Kato added in the interview that whether Japan actually uses that card is a different question.

At the Sunday press conference, Kato reiterated that the main goal of Japan's U.S. Treasury securities — the largest in the world — is to ensure sufficient liquidity to conduct an intervention in the yen when necessary.

"That has been our position, and we do not plan to use the sale of U.S. Treasury securities as a bargaining tool in negotiations," he said.

Source: Reuters

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Sam Altman vs. Elon Musk: the race for the all-in-one app!

In Silicon Valley, Sam Altman and Elon Musk are competing to create an "app for everything" that centralizes social networks, finance, gaming, cryptocurrency, and more.

Sam Altman is developing World, an app that combines a cryptocurrency wallet, social network, and mini-apps.

World uses an iris scanning-based identity verification system, offering cryptocurrency tokens and a World ID. The app already has 26 million monthly users, with 12 million verified.

Elon Musk is transforming X (formerly Twitter) into a super app inspired by WeChat, integrating social media, finance, and commerce. With a partnership with Visa, X will allow direct payments. Musk is also focused on combating bots and using AI to personalize the user experience.

Both are redefining the future of technology with their ambitious visions.

Source: Hardware.com.br

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Ray Dalio sounds the alarm for the future of the global economy

The renowned investor Ray Dalio, founder of the world's largest hedge fund, Bridgewater Associates, has just raised a concerning alarm about the future of the global economy. In a recent interview with NBC, Dalio expressed his apprehension regarding U.S. tariff policy.

Furthermore, he also warned that the world may be heading toward something even more severe than a simple recession.

Dalio cites the unsettling parallel of the 1930s, which preceded the Great Depression of 1929. "I have studied history and it repeats itself many times," Dalio commented, underscoring the seriousness of his predictions.

Global economy on the brink of the abyss?

Dalio, author of the book "Principles for Navigating a Changing World Order: Why Nations Succeed and Fail," believes that the world economy is driven by a set of five interconnected major forces.
He lists short-term cyclical debt, long-term debt, the internal order of each nation, the global/external order, and technology as the main drivers of economic history.

Regarding the first points, Dalio expressed his concern about the increasing debt of the U.S. government and the deep internal political division in the United States.

However, the third point emerges as one of the most critical factors in his analysis. Currently, the decline of the U.S. as a hegemonic power in the global economy and the emerging conflict with China.

When asked about the tariffs imposed by the U.S. government, Dalio noted that there is a desire to bring companies back to the U.S. to create jobs. In addition to increasing tax revenue, which could have both positive and negative effects. "I think it depends on how these things are handled," Dalio pondered.

Source: criptonizando

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Robert Kiyosaki believes that bitcoin can enrich investors

Robert Kiyosaki, author of the best-seller Rich Dad, Poor Dad, has become a fervent advocate for bitcoin, gold, and silver as forms of financial protection in times of crisis.

According to him, the global economy is on the brink of collapse, with the United States facing record levels of credit card debt, rising unemployment, losses in private pension funds, and the weakening of pension systems.

In light of this scenario, Kiyosaki warns that the country may be heading towards a new and even more severe economic depression.

In recent publications, he has emphasized that, despite the grim outlook, there is still time to protect oneself and even thrive.

His recurring advice — "buy gold, silver, and bitcoin" — is directed at those who wish to prepare for the crisis.

He stresses that acting now can be decisive: those who invest in just one bitcoin or small amounts of gold and silver may emerge from the crisis financially strengthened. A lack of action, on the other hand, could mean significant losses.

Kiyosaki has also shared his bold projections for the future: by 2035, he believes that bitcoin could surpass the value of $1 million, while gold could reach $30,000 and silver $3,000.

For him, these assets will represent “the easiest money anyone has ever made,” as long as the investor acts with courage and wisdom. He concludes his messages with an appeal: that people use this moment of crisis as a unique opportunity to achieve wealth and financial freedom through study, planning, and action.

Source: Exame

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Fed will make Bitcoin jump to $200,000, says Arthur Hayes

Arthur Hayes, founder of BitMex, believes that Bitcoin can double in value, reaching the range of $200,000 per unit. The appreciation would be caused by the Fed's treasury bond buyback program, the American central bank.

Earlier this year, when Bitcoin was quoted above $100,000, the billionaire stated that the cryptocurrency would fall to $70,000. The currency hit a low of $74,500 in April, very close to his target.

In other words, although he is a big fan of Bitcoin, Hayes is more concerned about making money than defending a fixed narrative, unafraid to publish his analyses.

Arthur Hayes provides a new analysis on Bitcoin

Famous for his long and technical texts, Arthur Hayes published another essay on his blog this Tuesday (22) where he argues that the Fed's treasury bond buyback policy will have the same impacts as Quantitative Easing (QE).

"This allows the government to finance itself at affordable rates," explains Hayes. "The more debt is issued and bought not with private savings, but with leveraged funds created through the banking system, the greater the growth of the money supply."

"And then we know what the only asset we want to own is when the amount of fiat currency increases: Bitcoin."

Continuing, Hayes points to a decline in the MOVE index (Merrill Option Volatility Estimate), which measures the volatility of U.S. Treasury bonds.

While other analysts point out that the Bitcoin bull market is over, potentially causing the cryptocurrency to drop to $60,000, the billionaire believes that the cryptocurrency will have another direction.

"Bessent will buy old bonds by issuing new ones," explains Hayes, citing a case that happened in the third quarter of 2022. "None of this was what most investors knew and recognized as QE."

"Therefore, they let it pass and had to chase after the rally as soon as it was confirmed as a breakout."

Source: Livecoins

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Cryptocurrency used by hackers rises 70% after suspicious movement

The cryptocurrency Monero (XMR), known for its focus on privacy, saw an increase of more than 70% in its value this Monday (28), rising from $229 to $391.

The surge is believed to be related to a possible hack involving around R$ 1.9 billion in Bitcoin, according to reports from investigator ZachXBT.

According to him, the Bitcoins were transferred and converted into XMR through various instant exchanges, which boosted the trading volume of the currency by more than 500%.

Monero, often associated with illegal activities due to its anonymous nature, is still legally used by people who value privacy.

After the peak in valuation, the cryptocurrency underwent correction but still shows a rise of 15% and is among the top 25 in the market.

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Circle receives regulatory approval in Abu Dhabi to expand in the Middle East

Circle, the issuer of the USDC stablecoin, has received preliminary approval (IPA) from the Financial Services Regulatory Authority (FSRA) of the Abu Dhabi Global Market (ADGM), as announced by the company on April 29.

This approval brings Circle closer to obtaining a full Financial Services Permission (FSP) license, which will allow the company to operate as a regulated provider of financial services in the United Arab Emirates, according to an official statement.

Jeremy Allaire, co-founder and CEO of Circle, stated that the approval "advances our strategy to establish a strong foothold in markets that embrace the on-chain economy." He added:

"It also reinforces Circle's enduring commitment to the global oversight of stablecoins — strengthening trust, compliance, and adoption worldwide, while we build a resilient foundation for the internet's financial system."

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Growing RWA Market

The tokenization of real-world assets (RWAs) — products that bring assets such as precious metals, securities, and real estate to the blockchain — is an expanding market. According to RWA.xyz, the market capitalization of tokenized RWAs (excluding stablecoins) is $21.6 billion, up 8.6% in the last 30 days.

Tether Gold and Paxos Gold are examples of RWA tokenization. Each coin in both products is supposedly backed by a troy ounce of physical gold.

Tether claims to store its gold reserves in Switzerland, while Paxos keeps the gold in London. The tokenization of gold has been a strong use case in the crypto sector in 2025, reaching a two-year peak in trading volume on April 10.

The tokenization of gold offers some advantages over traditional investment instruments that provide exposure to the metal. For example, settlements through these funds are instant, allowing for quick trades.

Additionally, some tokenized gold tokens can be used for the purchase of goods and services, while traditional instruments usually only allow redemption for fiat currency.

Source: Cointelegraph

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Gold-backed cryptocurrencies surge amid global trade uncertainty

Gold-backed cryptocurrencies have surged in value amid the global trade war triggered by tariffs announced by U.S. President Donald Trump on April 2.

Tether Gold (XAUT) and Paxos Gold (PAXG) reached all-time highs on April 22, with Tether Gold hitting $3,529 and Paxos Gold recording a peak of $3,520, according to data from CoinMarketCap.

Two other gold-backed cryptocurrencies — Quorium (QGOLD) and Kinesis Gold (KAU) — recorded increases of 8.5% and 7.6%, respectively, in the last 30 days. All four tokens have gained 40% or more in the last 12 months, according to data from CoinGecko.

・Tether records $13 billion in profits in 2024, U.S. bonds hit all-time highs
According to a report from Tether, the growing demand for XAUT is driven by macroeconomic factors such as escalating global economic uncertainty, geopolitical conflicts, and the search for inflation-resistant assets.

Since the renewal of the trade war by President Trump, the price of gold has increased significantly. On April 2, Trump's "Liberation Day," when the tariffs were announced, the price of an ounce of gold was $3,115.

At the time of writing this text, on April 28, the price of an ounce is $3,335, representing a jump of 7% in less than 30 days.

Gold, often seen as a hedge against inflation, tends to attract investors in times of economic uncertainty. Similarly, Bitcoin (BTC), often dubbed "digital gold," rose 14% in the same period.

Source: CoinMarketCap.

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The second jersey of the Brazilian National Team will be red, confirms the website

After the information that the second jersey of the Brazilian National Team for the 2026 World Cup will not use the colors of the Brazilian flag, the website Footy Headlines confirmed this Monday (28) that the color used will be red.

The use of red in next year's World Cup breaks a historical tradition of Brazil. The specific shade has not been disclosed, but according to the website, initial indications suggest "a modern and vibrant red base". The launch is expected to happen in March 2026.

In addition to the news about the color, the jersey will feature the Jordan logo, a brand linked to basketball star Michael Jordan, instead of Nike's "swoosh". The two giants of the sports world often collaborate on launches.

Brazil traditionally uses blue as its second uniform color. However, the five-time champion team has worn a white uniform in 2019 and recently, black in a specific campaign against racism.

Nike, responsible for creating the uniform, has been the current supplier of the Brazilian National Team since 1996. Previously, Brazil wore Umbro, Topper, Adidas, and Athleta.

Source: Footy Headlines

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"In a move that promises to stir conversation, the Brazilian National Team may take the field in the 2026 World Cup wearing red — precisely in the year of the next presidential elections. Coincidence? Perhaps.

But in a country where even colors carry messages, the choice of a red uniform, traditionally associated with the party currently in power, acquires a curious political tone.

After all, it’s not every day that the homeland of soccer boots abandons blue to adopt a color that, while modern and vibrant, has never been part of our flag.

In 2026, Brazil may not only seek the sixth title but also witness a duel of narratives — both inside and outside the lines."

XRP shows positive signs: price could go to $2.50?

XRP is trading slightly down by 1.2% this Tuesday (29). Nevertheless, the cryptocurrency has accumulated an appreciation of about 9.0% in the last week. The token is recording its highest price range of the month, raising expectations for new highs before the end of April.

Ripple's native token is nearing the resistance of $2.30, currently priced at $2.29 at the time of writing this article.

Despite the volatility of the crypto market, various factors indicate a continuation of the upward trend to $2.50. Understand, below, what drives this outlook.

XRP shows positive on-chain signals

XRP presents positive signals from an on-chain perspective. Today, the XRP Ledger recorded over 3,600 new addresses, the highest number in two weeks, according to data from Glassnode.
This growth is significant because it indicates the entry of new participants into the market.

The arrival of new users usually increases liquidity and strengthens buying pressure. This movement, in turn, can help XRP sustain its upward trend.

Additionally, the number of long-term holders reached a new annual high. These investors hold their tokens for more than 150 days, which reduces selling pressure in the market.

Another piece of data that reinforces this view comes from the Spot Inflow/Outflow of Coinglass. It shows that more XRP is being withdrawn from exchanges than sent to them. This movement reduces the circulating supply and usually drives prices up.

Source: Criptofacil

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Mastercard announces support for payment with stablecoins

One of the largest companies in TradFi (traditional finance) in the world, Mastercard, announced that it will offer support for payment with stablecoins.

According to the company, the measure aims to ensure an efficient payment model with stable cryptocurrencies that will operate 24 hours a day, seven days a week.

The announcement, made on Monday (28), consolidates Mastercard as one of the main bridges between the traditional financial system and the crypto market.

Founded in 1966, the company is keeping up with the global landscape and growing demand for new forms of payment, especially regarding stablecoins, which are the main focus of regulation from the political allies of the new Trump administration.

Source: Criptofacil

'The decision by Mastercard to integrate stablecoins into its payment services represents an important milestone in the convergence between the traditional financial system and the crypto universe. With this initiative, the company not only adapts to technological transformations but also promotes the legitimacy and adoption of stable cryptocurrencies on a global scale.

This is an optimistic step towards a more accessible, agile, and innovative financial future, where consumers and businesses can benefit from solutions that combine security, stability, and practicality, 24 hours a day, seven days a week. '

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Cryptocurrency that Binance gave for free rises 60%

What is SIGN

The Sign project has stood out for offering practical solutions in the digital world. The project allows for the validation of important information without exposing sensitive data, preserving user privacy.

In addition, the TokenTable platform, which integrates the Sign ecosystem, helps projects distribute their tokens more intelligently, with options such as airdrop, vesting, and scheduled unlocks.

The listing of SIGN on the South Korean exchange Upbit caused the cryptocurrency, distributed for free by Binance, to spike 60% this Tuesday (29). The announcement boosted the token's price from $0.08 to $0.129 rapidly.

The trading volume in 24 hours also exploded, going from $402 million to $898 million, evidencing strong interest from investors.

This appreciation occurs amid a recent trend. Earlier this month, Filecoin (FIL) rose 30% after also being listed on Upbit, showing that the Korean market remains heated.

The SIGN token is linked to a multi-chain identity protocol. In this way, it facilitates the creation of digital proofs of identity, ownership, and agreements across different blockchains, using technologies like zero-knowledge proofs.

The trajectory of SIGN began on Binance. This is because the cryptocurrency was the first project of the Binance Alpha campaign, featuring an airdrop of 200 million tokens for users participating in the HODLers program with BNB.

Despite the significant rise, the price of SIGN underwent a slight adjustment after the peak, retreating to $0.11. Even so, the performance exceeds the initial market expectations.

Source: Criptofacil

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Former President Fernando Collor is arrested after decision by Alexandre de Moraes

Former President Fernando Collor de Mello was arrested in the early hours of this Friday (25) in Maceió, Alagoas. The measure comes after Supreme Federal Court (STF) Minister Alexandre de Moraes rejected his appeals against the conviction by Lava Jato for corruption and money laundering, resulting in eight years and 10 months in prison.

The arrest took place around 4 a.m. at the Maceió airport. Collor's defense stated that he was going to Brasília "for the voluntary compliance with the decision of Minister Alexandre de Moraes." The former president is currently at the Federal Police headquarters in the Alagoas capital.

The president of the STF, Minister Luís Roberto Barroso, scheduled a virtual plenary session for this Friday (25) from 11 a.m. to 11:59 p.m. for the ministers to analyze the individual decision. Meanwhile, the arrest warrant remains in effect.
Collor was convicted in 2023 for corruption and money laundering.

When determining the arrest, on Thursday (24), Moraes stated that the appeals presented by Collor's defense had a "merely delaying" character.

Reason for the arrest

Collor was accused of receiving over R$ 20 million in bribes for business dealings with BR Distribuidora, a subsidiary of Petrobras, between 2010 and 2014. According to the investigation, the bribe was to illegally facilitate contracts between the distributor and UTC Engenharia for the construction of fuel distribution bases.

Since the conviction, Collor's defense and that of the other parties involved have filed motions for clarification to clarify points of the ruling and review some aspects of the conviction.
The arrest occurs with the process in final judgment, meaning no further appeals can be made. The decision is definitive and irrevocable.

Source: G1

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Cryptocurrencies have attracted more investors than the Stock Exchange in Brazil

A survey by the Locomotiva Institute commissioned by Binance revealed that 42% of Brazilian investors own cryptocurrencies, slightly surpassing those who invest in stocks on the Stock Exchange (41%).

This increase in interest in digital assets highlights the potential of blockchain technology in Brazil. Brazilians are expanding the use of cryptocurrencies, adopted as a payment method on many shopping sites and in the entertainment sector, such as casinos.

The trend of growth for cryptocurrencies in Brazil is evident, with transactions involving crypto assets reaching billions of reais in recent years. Brazil ranks seventh in the Global Crypto Adoption Index, reflecting the interest of small investors and large institutions.

The search for high returns and the liquidity of cryptocurrencies are important attractions. Exchanges operate 24 hours a day, allowing trading at any time, and the independence from the traditional banking system is seen as an advantage.

Despite the lack of strict regulation, the Cryptocurrency Framework of 2022 established guidelines for the sector, aiming for greater legal security. The Central Bank and the Securities and Exchange Commission monitor operations to prevent fraud.

The Brazilian government is also investing in blockchain technologies to increase transparency and efficiency in public services.

Initiatives like the Blockchain Brazil Network promote the integration of public projects, and some cities are considering developing local digital currencies to facilitate trade and financial inclusion.

Source: Correio do Brasil

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