Binance assures that Brazilians’ crypto assets are segregated and safe
Binance said that Brazilian customers’ crypto assets are segregated across separate entities, stored in cold wallets, and beyond the reach of the wallets compromised in the largest-ever hack of an exchange. Binance’s operational restructuring in Brazil was designed to comply with BCB Resolution No. 520, dated November 10, 2025, which requires the assets of customers and the company to be kept separate. The deadline for completing the restructuring was October 29.
Blockchain.RIO confirms 2027 edition for August in Rio de Janeiro
Blockchain.RIO confirmed that the 2027 Main Event will take place on August 11 and 12 in Rio de Janeiro. The announcement follows the 2026 edition, which brought together more than 29,000 people and 496 speakers. The event organizers confirmed the dates. Blockchain.RIO is beginning a new cycle of development, with the Main Event scheduled for August 2027, while keeping Rio de Janeiro as its host city. The 2026 edition, which served as the basis for the announcement, recorded 29,096 attendees both in person and online. The event featured 496 speakers, 94 sponsors, approximately 60 exhibitors, 40 startups showcased, and a program spread across 11 stages, including a space dedicated to applied artificial intelligence.
Crypto Cards in Brazil: How They Work and What to Consider
A crypto card in Brazil is a debit or prepaid card linked to crypto assets that lets you pay in physical stores and online, anywhere Visa or Mastercard is accepted. This guide explains how these cards work, which currencies they accept, how much cashback they offer, and what risks Brazilian consumers should consider before using them. A crypto card works much like a regular debit card: the balance is loaded into the issuer’s account and deducted at the time of purchase.
Binance suffers the largest cryptocurrency hack in history, estimated at US$5.87 billion
Binance, the world’s largest cryptocurrency exchange, suffered a hacker attack that drained large amounts of assets from its hot wallets. Loss estimates range from US$1.7 billion to US$5.87 billion. The attack was identified this Thursday, the 29th, following large transfers from Binance wallets to newly created addresses. The exchange temporarily suspended withdrawals as a precaution and published an official statement on X saying it is investigating a possible security incident. Binance stated that customer funds are safe and will be covered if necessary.
BTCPay Server patches critical flaw draining Lightning nodes
BTCPay Server released version 2.4.2 as an emergency measure to contain a critical vulnerability that was already being actively exploited and allowed funds to be stolen from Lightning Network nodes. Any installation predating the patch remained exposed while the attack was underway. The vulnerability was in the Greenfield API’s basic authentication. An unauthenticated remote attacker could bypass this mechanism on accounts protected by TOTP, the one-time password-based second factor.
Cainvest launches crypto licensing monitor for the Central Bank
Cainvest Group launched the SPSAV Monitor, a platform that tracks in real time companies’ applications for authorization to operate in the cryptoasset sector with the Central Bank of Brazil, two days before the deadline to comply with the sector’s new regulatory framework. Cainvest SPSAV Monitor is a public tracker that consolidates information on institutions that have filed applications with the Central Bank for authorization to operate as Virtual Asset Service Providers (VASPs). As of October 29, 2026, the monitor listed 38 institutions with pending applications. Of these, three were on the monetary authority’s decision agenda, two were under review by the Central Bank, and another two were awaiting the submission of documents or responses from applicants.
Federal Police investigate Paulo Guedes over suspicions linked to cryptocurrency company
The former Economy Minister and the owner of OnilX appear in a confidential Federal Police investigation. The company is facing more than 100 lawsuits filed by investors who say they have had difficulty recovering their funds. The Federal Police are investigating former Economy Minister Paulo Guedes and businessman Fábio Lino de Almeida, owner of OnilX, on suspicion of crimes against the National Financial System. The investigation has been conducted under seal in the Federal Court of Paraná since February 2026. The investigation involving Paulo Guedes and the cryptocurrency company comes amid complaints from investors about difficulties withdrawing their money. OnilX is also facing regulatory scrutiny and disputes allegations of wrongdoing.
Government and FAPESP launch R$ 21 million funding call for decentralized systems
The Federal Government and FAPESP have launched a joint R$ 21 million funding call to support research and development into decentralized systems and free software platforms, with the aim of reducing dependence on major technology companies and strengthening Brazil’s digital sovereignty. The funding call is a joint initiative of the Ministry of Science, Technology and Innovation (MCTI), the Ministry of Communications (MCom), and the Brazilian Internet Steering Committee (CGI.br), and is being carried out by the São Paulo Research Foundation (FAPESP).
Zcash: Is 2026 the year of on-chain privacy? The data supporting the thesis
Zcash (ZEC) ends October 2026 among the world's ten largest cryptocurrencies. Two years ago, privacy coins were seen as a retreating niche, delisted by exchanges and avoided by fund managers. So, is 2026 the year of on-chain privacy? By market criteria, yes: price, ETFs, and institutional capital support the thesis. By usage criteria, not yet. This guide examines both sides using verifiable data. On-chain privacy is the ability to record transactions on a public blockchain without exposing the sender, recipient, or amount. The network continues to validate everything, but the details remain encrypted. In practice, it replaces complete transparency with mathematical verification.
Central Bank identifies 33 companies in the race for crypto license in Brazil
Coinbase, Nubank, Binance, Ripple, Itaú, Inter, Braza Bank, and Mercado Bitcoin are among the 33 companies and financial institutions identified in the process of adapting to the new licensing regime for virtual asset service providers (VASPs) in Brazil. The survey cross-referenced public databases of proceedings and protocols from the Central Bank of Brazil with corporate records and direct confirmations from market participants. Each company is listed with its CNPJ and the specific process number opened with the regulator. Among the identified examples are Transfero (process 315453), Mazzera (process 315286), and PFPay (process 314610).
Avenia seeks Central Bank authorization to operate as a VASP
Avenia, issuer of the BRLA stablecoin, has begun the authorization process with the Central Bank of Brazil to operate as a virtual asset service provider (VASP). The move positions the company among the first in the Brazilian real stablecoin segment to seek a formal license from the Brazilian regulator. Avenia has issued BRLA since 2023 and positions it as the largest stablecoin pegged to the real. In addition to issuing the stablecoin, the company develops stablecoin-based international payment solutions. The application to the Central Bank formalizes an operation that already exists in practice, bringing it under the regulatory framework the Central Bank has been developing for the sector.
Hackers steal US$400,000 from Predict.fun days after token reaches US$1.4 billion valuation
Hackers drained US$400,000 in USDT from Predict.fun, a prediction market platform integrated with Binance Wallet, in an attack reported on October 27, 2026. The incident happened days after the platform’s token reached a market capitalization of US$1.4 billion. Predict.fun is a prediction market backed by YZi Labs and was added to Binance Wallet in March 2026. The integration put the platform in the spotlight among users of the world’s largest exchange by trading volume. The attack drained US$400,000 in USDT directly from the platform’s contracts or infrastructure.
Google launches MPC system to protect cryptoasset custody
Google will unveil Google Multi-Party Compute (MPC), a security system for the custody of cryptoassets and tokenized assets, at its first digital assets symposium in New York. Google MPC is in private preview and is designed to help banks and financial institutions protect and move cryptocurrencies and tokenized assets more securely. Several design partners and major financial institutions are already participating in the tests. Alphabet, Google's parent company, uses the system to secure its digital assets on the Ethereum and Solana blockchains.
Ripio applies for Central Bank license to operate in Brazil
Ripio has filed an application with the Central Bank of Brazil for a license to operate as a virtual asset broker, covering cryptocurrency intermediation, custody and exchange, while continuing to serve customers in the country. Ripio’s application to the Central Bank covers three areas: virtual asset intermediation, cryptocurrency custody and exchange. With this scope, the Argentine-founded broker aims to bring its operations in Brazil in line with the regulatory framework the Central Bank is developing for the sector.
Cryptocurrency fraud operation leads to six arrests in Piauí
The Civil Police of Piauí took part this Wednesday (October 28) in Operation Crypto-Chimera, which is investigating a criminal organization suspected of carrying out cryptocurrency scams and laundering money in several Brazilian states. The operation, coordinated by the Civil Police of Goiás, resulted in the arrest of six people in Piauí. The operation aimed to execute 14 temporary arrest warrants and 19 search and seizure warrants. Teams worked in Parnaíba, on the coast of Piauí, as well as in Guarulhos, Osasco, Guarujá, and the city of São Paulo. The investigation began after a victim lost more than R$250,000 in an online scam.
Vibe coding bricks a smart TV while removing bloatware with Claude
A developer used Claude Code, Anthropic's AI coding tool, to remove bloatware from his smart TV via ADB, replace the original launcher, and transform the interface into something resembling Apple TV. The process worked, made the TV faster, and got rid of ads. The problem: while operating on a rooted LG device, Claude performed steps that the user couldn’t fully control, and the TV never turned back on. The story went viral, prompting thousands of people to repeat the experiment on their own devices.
Israeli minister advocates cryptocurrencies to counter sanctions and faces criticism
Israeli Prime Minister Benjamin Netanyahu raised a possibility that caught the financial market’s attention: using cryptocurrencies to reduce the impact of potential economic sanctions against Israel. The idea, presented during an interview on Friday (23), was not well received by economists and opposition members. Netanyahu spoke with Israeli broadcaster Channel 10 and said his government was preparing to face potentially broader international restrictions. In this context, he mentioned digital assets as one of the alternatives that could help the Israeli economy.
Sony launches native $SONEIUM token and plans its own stablecoin
Sony confirmed that it will issue a native token called $SONEIUM on its Soneium blockchain and announced parallel plans to launch a dollar-pegged stablecoin that could be used for game subscriptions and other services. The network already hosts more than 250 applications across music, games, anime, and digital collectibles. Soneium is a layer-2 network developed by Sony to accelerate the adoption of Web3 across the group’s intellectual properties, with applications ranging from music NFTs to anime collectibles. The blockchain has already integrated partners such as LINE, Japan’s largest social platform, which brought four gaming apps to the network.
Binance seeks Central Bank license to expand financial services in Brazil
Binance has applied to the Central Bank for a license through BBrasil Sociedade Prestadora de Serviços de Ativos Virtuais Ltda., a company that is part of the group. The application covers operating as a Virtual Asset Service Provider (SPSAV), in accordance with Brazilian regulatory requirements. With this initiative, the exchange aims to maintain a structure that brings together different financial solutions in a single environment. This will allow customers to access digital assets, trade stablecoins, make payments, and use other services through a single account.
Why did prediction markets get the outcome of Brazil’s elections wrong?
Prediction markets got the outcome of Brazil’s elections wrong, and experts point to the platforms’ ban in the country as the main cause of the failure. With liquidity below 5% of the volume recorded in the United States, these markets were vulnerable to influence from a handful of investors and an influx of retail traders with little specific knowledge of the Brazilian electorate. Polymarket and Kalshi, the leading international prediction market platforms, offered contracts on Brazil’s elections even after regulators blocked them and their pages were removed from social media.
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