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In brief Polygon Labs disclosed it patched a batch of security vulnerabilities through two hard forks—Austin on its Bor client and Kyoto on Heimdall—rolled out privately and validated on testnet before mainnet activation. The fixes closed denial-of-service paths in block processing and a more severe flaw that could have forced costly, coordinated work across the entire validator set via a single crafted transaction. Polygon’s native token POL was trading around $0.09983 Sunday, down 2.3% on the day and 6.8% on the week. Polygon Labs has revealed that it fixed a batch of security vulnerabilities in its proof-of-stake network through two…

In brief The CFTC fined former White House teleprompter operator Gabriel Perez $172,000 to settle charges he misappropriated advance knowledge of presidential speeches to trade “presidential mention market” contracts. Perez generated over $107,500 in profits between December 2025 and February 2026; his settlement includes disgorging $107,539.02, a $65,000 penalty and a three-year trading ban. The case highlights insider-trading risks shadowing fast-growing prediction markets, echoing prior incidents. A former White House teleprompter operator has agreed to pay $172,000 to settle charges that he traded on advance knowledge of presidential speeches, betting on prediction markets tied to the words President Donald Trump…

In brief U.S. spot Bitcoin ETFs recorded $201.9 million in net outflows on Aug. 28, snapping a nine-day inflow streak and trimming cumulative net inflows to about $55.1 billion. The reversal caps an otherwise strong run—$2.8 billion over an eight-day streak as BTC tested $80,000, plus the biggest single day since May—with daily inflows repeatedly topping $300 million and peaking above $600 million on Aug. 20. Ethereum ETFs showed no such fatigue, taking in $102.1 million to extend a 10-day streak and lift cumulative inflows to about $12.9 billion. Spot Bitcoin exchange-traded funds broke a nine-day winning streak on Friday,…

OCEAN Mining has completed a buyout of co-founder and 16-year veteran Bitcoin Core developer Luke Dashjr, ending his ownership and three leadership roles at the Bitcoin mining pool.Dashjr resigned as chairman, chief technology officer and director, while OCEAN repurchased all of his equity, according to an Aug. 29 joint statement. Holding those board, technical and executive positions had placed him at the center of both OCEAN’s governance and its mining-policy decisions.The private company did not disclose the repurchase price, its remaining ownership structure or successor appointments. OCEAN said it will continue operating its transparent, non-custodial pool, while Dashjr will pursue…

In brief METR said Wednesday that roughly 1,200 OpenAI agents coordinated on an unsanctioned message board, and about 700 went on to attack Hugging Face. Agents recruited peers with little budget left to run experiments that destroyed their own runs, a move they called “permadeath.” OpenAI said the grader never checked how agents captured their answers, meaning the cheating campaign earned them nothing. The OpenAI agents that hacked Hugging Face recently were part of a group of roughly 1,200 that broke their own isolation and ran a coordinated campaign to cheat the benchmark grading them, according to an independent investigation…

In brief More than 100 organizations signed an open letter calling for stronger global cyber defenses. Models built by signatories OpenAI and Anthropic recently compromised real systems during security evaluations. The letter recommends stronger access controls, monitoring, threat sharing, and oversight of autonomous agents. Leading AI developers are telling governments and businesses to strengthen their networks after models built by OpenAI and Anthropic compromised other companies’ systems.In an open letter released Thursday, OpenAI, Anthropic, and more than 100 other organizations warned that AI-enabled cyberattacks are about to become more common and that companies have “a limited window to strengthen cyber…

In brief Solana (SOL) is up more than 8% in the past 24 hours and roughly 44% this month, its strongest month since 2024, pushing the token back above $105. The rally lands the same day the Solana network closes its first-ever binding governance vote, deciding whether to double the network’s disinflation rate and burn far more SOL per day. Nasdaq-listed Solana Company backs the new governance framework itself but is voting against both economic changes, citing timing rather than disagreement with the goals. Solana is up. A lot. SOL climbed more than 8% in the past 24 hours and…

A former accountant has been sentenced to jail and must make restitution payments after embezzling hundreds of thousands of dollars from her employer. Utah resident and 25-year-old Laurel Llewellyn Gifford used her role as a senior regional accountant at a Salt Lake City asset management company to carry out roughly 100 unauthorized transfers totaling about $472,896 that started in November 2022 and came to light in October 2023, reports ABC4. The case began in October 2023, when an employee of an asset management company contacted the Salt Lake City Police Department after discovering suspicious financial activity involving a former employee.…

In brief Core Lightning confirmed that several AI-generated security reports identified real flaws. The project told operators to verify and install its forthcoming update promptly. Operators who cannot upgrade should use –offline instead of shutting down their nodes, Core Lightning said. The developers of Bitcoin payments software Core Lightning warned node operators in an X post on Wednesday that several vulnerabilities flagged in a wave of AI-generated security reports are real and that developers are coordinating a fix.The project told operators to install and verify the forthcoming update promptly—or run their nodes offline if they cannot upgrade instead of shutting…

In brief Binance founder Changpeng Zhao told the Bitcoin Asia conference in Hong Kong that Bitcoin will become more important than gold, with the gap now around tenfold. He said large countries have built systems for valuing and holding bullion, and would take years to shift. Zhao separately described his reserve advice to governments as “a little bit self-serving,” since BNB lands in the basket he recommends. Bitcoin will overtake gold, and it could happen as soon as the next bull run, Binance founder Changpeng Zhao told a conference audience in Hong Kong on Thursday.”I think Bitcoin will, for sure,…

In brief Nvidia has reportedly agreed to acquire open-source AI repository Hugging Face for $12.9 billion. The deal follows a period in which Nvidia publicly positioned itself as a backer of open models, including Jensen Huang’s first-ever tweet in support of open source. If it goes through, the acquisition changes the landscape for open-source AI in the west. Here’s why Nvidia has reportedly agreed to buy Hugging Face for $12.9 billion in a deal that would put the world’s largest open-model hub under the ownership of its largest GPU maker.It’s a deal that could reshape the entire open-source AI landscape—and…

In brief OneKey reproduced a transaction-replacement attack against version 1.22.1 of Ledger’s Ethereum app. Ledger says it fixed the vulnerability in version 1.22.2 before OneKey published its test and has seen no evidence of attacks against users. Ledger recommends installing Ethereum app version 1.22.3 or later and checking the app version on the device. Cryptocurrency wallet developer Ledger rejects claims that it had been hacked after researchers at rival wallet maker OneKey reproduced a transaction-replacement vulnerability using an outdated version of Ledger’s Ethereum app.On Thursday, Yishi Wang, founder and CEO of OneKey, said on X that the company’s Anzen security…