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The U.S. Commodity Futures Trading Commission (CFTC) has filed a federal complaint against Utah, seeking to block the state's enforcement actions against prediction markets. The lawsuit specifically targets Utah's case against platforms Kalshi and Susquehanna, aiming to bar investigations and enforcement against federally regulated markets.

According to allies cited by Brazil's Folha de S.Paulo newspaper, Flávio Bolsonaro, son of former Brazilian President Jair Bolsonaro, is reportedly fleeing to the United States. This follows a Supreme Court order for him to surrender his passport for a criminal investigation, after which Brazilian authorities canceled his Brazilian passport. This development, occurring two days after his father lost the presidential election, could trigger new diplomatic and legal disputes between Brazil and the United States.

Political analyst Abed Abu Shhadeh stated that the incitement against Israeli-Palestinian citizens and Arab parties over the past few years has generally undermined the legitimacy of their participation in Israeli politics. He described the opposition's refusal to accept Arab party leaders as partners as the definition of "apartheid." He added that the opposition might also form a minority government with Arab parties abstaining rather than voting against it. Last month, the Israeli Central Elections Committee voted to ban the Joint List and Ra'am from running, a decision later overturned by the Supreme Court, which nonetheless required Balad leader Sami Abu Shehadeh to withdraw from the race due to an article in which he referred to the October 7 attack as "a significant historical event."

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OpenAI released solutions to three blockbuster math problems that have long vexed researchers yesterday. One was a surprise rejection of the Exponential Time Hypothesis (ETH), a durable assumption in computer science that plays a large role in how we understand what is difficult to compute.
As with previous proof-drops from the frontier lab, scientific communities responded with a mixture of thrill and dismay. Anthropic mathematician Levent Alpöge suggested that OpenAI was basing its solutions from pre-existing work, and hours later, Anthropic subsequently released its own refutation of ETH.
However, OpenAI’s process is evolving. This time, the lab structured its releases differently for each of the three disciplines involved: Mathematicians got the work dropped on GitHub; the computer scientists formed a working group, asked for the proofs to be shared publicly and OpenAI to fund a conference to discuss them; the physicists formed a working group that will determine how their result will be released.
MIT Professor Ryan Williams is the computer scientist who is organizing his field’s response to the new finding. Williams, whose work focuses on these questions of computational complexity, has criticized OpenAI’s approach in the past, calling its proof dump earlier this October a “DDOS attack on mathematicians.”
However, he agreed to collaborate with the frontier labs in order to help shepherd ideas that are vital to the field, he told TechCrunch. The lab asked him to help interpret the solution, along with UC San Diego computer scientists Russell Impagliazzo and Ramamohan Paturi, who first published the ETH in 1999.
Their first step was to release an open letter calling for feedback from scientists interested in these problems and a discussion of the norms around AI contributions to their work.
“Some parts [of OpenAI’s proof] are, maybe you could say routine, but then yes, there are two or three alien-looking parts, and it’s exactly these parts that that I saw that made me think, wow, this is something that the whole community needs to work on together,” Williams told TechCrunch.
The ETH is part of a broader class of problems known as P vs NP, which has animated computer science and many other fields for decades. Reductively, researchers are trying to understand if any problem whose solution can be easily verified (NP) can also be easily solved (P).
A simple example is the game Sodoku: Once a solution to a puzzle is in place, it can be quickly verified, but finding the solution is time-consuming. That dynamic is true across a range of important problems, and the insight underpins cryptographic systems: When you have the key to an encoded message, you can reveal it, but actually cracking an effective code takes too long to be useful.
However, scientists have yet to prove whether that is always true. “P = NP is saying that, not only can you verify Sudoku solutions when they exist, you can just generate them,” Williams said. “P = NP is asserting that this is true for every single problem you can verify quickly — if you can verify it quickly, you can solve it quickly. So this just seems that just seems too good to be true.”
That’s why most scientists assume that P ≠ NP. ETH provided evidence for that. It basically says that even the fastest computer algorithm needs exponentially more time to find a solution as the number of variables grow in a specific class of tricky logic puzzle.
The claims from OpenAI and Anthropic is that their models have come up with algorithms that solve those puzzles in “sub-exponential” time, meaning faster than the speeds previously thought possible. If true, they may have proven the EFT to be false — refuted it, in scientific terms — and maybe opened up a path for algorithms that generally perform P = NP.
“Every computer scientist should probably put a a little more weight on the plausibility of P = NP, but one’s weight may vary,” Williams said. “I do think that it kind of calls into question a lot of the intuitions that we thought we had about … how tractable [hard NP problems] are. I also think that this is probably not the final answer either. I don’t think that OpenAI’s algorithm could possibly be the best algorithm you can get.”
The durability of ETH has lead to it being included in many scientific papers over the past decade that will need to be revisited if the AI labs claims that they’ve proven it wrong holds up, Williams said.
“This is partly why I was asking or pushing OpenAI to support a conference on this — it’s going to affect many researchers’ works, and we need to figure out, okay, what happens next besides understanding the algorithms, we need to understand, what should the foundations be that we had before?” he said.Before scientific concerns, there are cybersecurity questions. Williams said that an improved algorithm could imply that cryptographic systems relying on certain key sizes could be considered broken. So one of the first questions he asked OpenAI science lead Dan Roberts “was if they had checked that that this affects any crypto systems … is anything insecure now? And apparently, they checked, and they were reasonably confident that this didn’t … imply any breaks.”
This new AI paradigm of scientific discovery is still a work in progress, but Williams says he is optimistic despite real concerns, particularly about training the next generation of scientists. Being a computer scientist who does high level math has perhaps made the adjustment easier for him than for pure mathematicians.
Still, he says AI is “forcing people to be a little more ambitious about the kind of work that they do, and to think more deeply about okay, if all the things I used to work on are now low hanging fruit for AI, how can I raise the bar for the the kind of scientific questions I want to ask?”
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Elon Musk retweeted Melania Trump's post stating that a ceasefire between Ukraine and Russia took effect at 4:00 AM Moscow time on October 27, two days earlier than planned, aimed at protecting civilian safety and facilitating humanitarian aid delivery. The geographical scope of the ceasefire has been expanded beyond Oleshky in the Kherson region to provide safe passage for humanitarian convoys and has been confirmed by General Valery Gerasimov, Chief of the General Staff of the Russian Armed Forces.

Canton-based trading platform Cancore has completed a $7.2 million seed funding round, valuing its token at $60 million. The round was supported by Paper Ventures, dao5, ArkStream Capital, X Ventures, MH Ventures, and Proof of Talk, with Paper Ventures and dao5 contributing the largest investments, though there was no formal lead investor. Cancore aims to connect assets on the network with liquidity on public chains.

The Bank of England (BoE) has ordered online bank Revolut to review its internal systems, particularly its product approval processes. According to the Financial Times, the BoE's Prudential Regulation Authority issued a Section 166 directive, requiring Revolut to hire experts to assess the soundness of its business practices. This review will focus on Revolut's approach to new financial products and evaluate whether it has violated relevant laws. The BoE submitted the review around spring, while Revolut obtained its banking license in March and has begun offering personal loans, with plans to enter the mortgage and credit card markets.

The NEXTPredict conference, held in New York from October 22nd to 23rd, brought together major prediction market exchanges, trading firms, and policymakers. JB Mackenzie, Vice President at Robinhood, stated that prediction markets have expanded from elections to politics, sports, economics, and finance, with Bitcoin, crude oil, and gold contracts being the fastest-growing categories. Additionally, former NBC News Political Director Chuck Todd believes that prediction markets can serve as "fact-checkers" for journalism, as financial incentives can improve prediction accuracy. However, Polymarket's prediction failure in the Brazilian presidential runoff was attributed by experts to Brazil's ban on prediction markets.

OpenAI has published a 67-page paper claiming its AI has found a way to bypass the "Exponential Time Hypothesis" (ETH). This hypothesis is a computer science conjecture proposed in 1999, unrelated to Ethereum, but hundreds of research papers rely on it to prove that problems in graph theory, computational biology, databases, and geometry cannot be solved quickly. OpenAI stated that its AI discovered this refutation on October 16 and formally verified it on October 17 using Lean software. This development has sparked widespread attention and discussion within the crypto community.

Ripple President Monica Long explained that Robinhood chose Ripple USD (RLUSD) stablecoin as a key settlement tool due to growing market demand for integrated solutions. Robinhood is fully migrating its global operations and back-office systems, serving 28.6 million investors, to blockchain infrastructure. This includes RLUSD settlement on the XRP Ledger, Ripple Treasury Management, and Ripple Prime services providing credit support to Bitstamp for its upcoming perpetual futures trading. RLUSD has surpassed $2.4 billion in market capitalization since its launch in December 2024.

Artist Lucho Poletti's Bitcoin art series "Ten Decrees" has released five works, with the sixth to be launched on November 7. The series reinterprets ten paintings by Hieronymus Bosch and Pieter Bruegel the Elder, centered around the theme of money. It was unveiled on August 15, 2026 (the anniversary of Nixon's announcement of the dollar's detachment from gold) and is scheduled to conclude on January 3, 2027 (the anniversary of the Bitcoin genesis block). The most recent work, Fiat Moria, was released on October 24. Poletti will also attend the Bitcoin Amsterdam conference from November 5 to 6.

Asset manager Janus Henderson has partnered with blockchain project Centrifuge to launch a tokenized Nasdaq 100 fund on the Stellar blockchain. The fund aims to provide eligible non-U.S. investors with exposure to the Nasdaq 100 Index, marking Janus Henderson's active expansion into institutional tokenization.

Al Jazeera analysis indicates that Brazilian President Lula's unexpected win of a fourth term prevented internal fissures within the BRICS alliance, which could have arisen from his rival Bolsonaro's pro-U.S. stance. Experts believe Lula's victory is crucial for the political continuity of BRICS, as he was one of the alliance's founders and could provide a political basis for promoting local currency trade. Bolsonaro had called for a reconsideration of Brazil's role in BRICS and pledged to keep Brazil's Pix payment system separate from non-Western payment systems to maintain the dollar's dominance.

Oracle announced on Tuesday an expanded partnership with OpenAI, integrating OpenAI's ChatGPT and Codex into its applications to enhance database usability. Additionally, Oracle stated it would introduce Google's Tensor Processing Unit (TPU) AI chips and OpenAI's Jalapeño chips into its Oracle Cloud Infrastructure (OCI). Following this announcement, Oracle's stock price rose by nearly 5%, and AI chip manufacturer Cerebras saw its shares increase by approximately 8%.

Google DeepMind on Tuesday (October 27) released a research preview of its latest world model, Genie 4, which has been made available to "trusted testers." The model is capable of generating more realistic and interactive simulated worlds, and for the first time supports real-time audio (including music, ambient sounds, and dialogue). Users can change scenes, weather, or perspectives in real-time through text prompts during the simulation, and add new characters or objects. Genie 4 can maintain a consistent scene for up to two minutes, double that of its predecessor Genie 3, and has improved physics and character anthropomorphism. The model is also more tightly integrated with Google's AI model Gemini and can be used in commercial applications such as gaming, interactive learning, and robotics testing. Its real-time editing capabilities have also been noted by testers for use in film prototyping.