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9/27
23:06
The developments address the hypothetical "Q-Day" when powerful quantum computers could use Shor's algorithm to derive private keys from exposed public keys, potentially draining wallets. While Q-Day remains theoretical and likely years away, the field is shifting from theory to practical logistics. StarkWare achieved a cost breakthrough, reducing the estimated cost of a quantum-safe Bitcoin transaction from approximately $320 to about $67. Coinbase's head of cryptography detailed the exchange's efforts to build post-quantum custody solutions for its roughly $250 billion in assets. Additionally, researchers published a new "Zcash-style" design for shielded Bitcoin transfers to enhance privacy.
23:06
The Bitcoin Improvement Proposal (BIP) 138, merged into the BIP repository on September 21 as a draft, seeks to address the issue of multisignature wallets becoming irrecoverable if their descriptor or a signer's public key is lost. However, the proposal introduces a privacy tradeoff: if a third-party server already holds an eligible extended public key (xpub) and obtains a copy of the encrypted backup file, it could decrypt the file to learn wallet metadata (public keys and script structure), though not the private keys needed for spending. The draft includes limits to prevent on-chain public keys from becoming keys to the off-chain backup, and its merge does not imply immediate network changes or wallet support.
22:48
Meta's Muse AI personal agent can help consumers identify and cancel recurring subscriptions, which could weaken the subscription business model that benefits from consumer inertia. Stanford University economics professor Neale Mahoney noted that consumer inertia can roughly double sellers' revenue. Apollo chief economist Torsten Slok analyzed that AI agents could automatically sweep household cash into accounts paying 3.3% to 5.0%, instead of the 0.1% national average on checking accounts, potentially causing banks to lose a large share of cheap deposits. Data shows nearly half of U.S. consumers increased their subscription spending in 2025, averaging $1,887 annually, with a 7.7% year-over-year increase in July. Subscription management service ScribeUp reports its users are 1.8 times more likely to initiate cancellations than a year ago, saving them over $300 annually on average.
22:48
An address flagged by Bitget completed an XRP-to-bitcoin swap after the request. OKX founder Star Xu challenged THORChain’s comparison with Bitcoin.
22:35
The upgrade, which includes EIP-7928 (Block-Level Access Lists), aims to significantly increase throughput through parallelism, enable faster and simpler sync via snap v2, and pave the way for next-generation scaling. Ethereum co-founder Vitalik Buterin envisions a post-Hegota era where Ethereum becomes a 'cryptographic world computer' with much cheaper, more scalable, and more private high-security computation.
22:31
Ethereum co-founder Vitalik Buterin stated on Sunday that his envisioned Ethereum network for 2030 will combine blockchain, cryptographic proofs, and off-chain computer networks to significantly enhance processing power and users' ability to independently verify transactions. This vision aims to achieve cheaper, scalable, and private high-security computing by distributing computational tasks and utilizing mathematical proofs, allowing different computers to handle different workloads while maintaining network integrity. Buterin expects next year's Hegotá upgrade to be Ethereum's last "regular" fork, with subsequent upgrades relying more on cryptographic proofs and quantum-resistant security technologies.
22:24
Visa's September 18 data refresh lowered its adjusted stablecoin volume measure, while its adjusted transaction count fell by less than 2%. This divergence is attributed to expanded address labels and revised filters in its Onchain Analytics, which led to more transfers being excluded from the adjusted measure. The company notes that the change in classification does not directly indicate a fall in actual stablecoin payment activity, as payment trends remain unmeasured.
22:11
Wild gyrations in individual stocks on a punchy cocktail of AI euphoria and fear, a tumbling bond market and geopolitical drama bode well for a long-favored trade among hedge fund managers.
21:57
Vitalik Buterin retweeted a post by user XRS_02, which delves into Ethereum's dual nature as both an abstract philosophical concept (an ontological Turing machine) and a practical research and development endeavor. The post states that the essence of Ethereum as a protocol is determined by the ACD (All Core Developers) governance mechanism, the definition of cryptographic truth, and the consensus reached by a majority representation of Ethereum observers, which ultimately grounds the ontology of the world computer in what we today call the Ethereum network.
21:33
Iran's Revolutionary Guard Corps Navy claimed on Sunday to have seized a U.S. Remus 600 unmanned underwater vehicle (UUV) in the Strait of Hormuz and transferred it to experts for data analysis. The IRGC Navy firmly stated that the Strait of Hormuz is closed to unauthorized traffic.
21:24
Over the past two weeks, the stock market has swung between extreme sentiments regarding artificial intelligence, leading to hundreds of billions of dollars sloshing in and out of AI-exposed stocks, according to Bloomberg Markets. This volatility has frayed investors' nerves as they grapple with AI's potential, ranging from existential threats to mundane utility.
21:12
Puffer, an Ethereum transaction infrastructure company, announced on September 22 that Google Cloud will operate a gateway to receive Ethereum transactions and provide result guarantees before settlement. Puffer's UniFi network will be the first to use this service, Puffer Preconf, which aims to enhance user experience by having operators provide collateral to back transaction result commitments. Puffer CEO Amir Forouzani stated that if a pre-confirmation fails, the gateway will face a penalty of 1 ETH. As of September 23, UniFi and Puffer Preconf are still operating in a test environment.
21:11
The U.S. Securities and Exchange Commission's (SEC) Division of Corporation Finance, in new FAQs published Friday, stated that announcing a token buyback program on a functional crypto system does not constitute a promise of "essential managerial efforts," a key component of the Howey test for determining if something is an investment contract and thus a security. However, for networks that are not yet functional, a buyback announcement could cross the line if the issuer pitches it as generating yield or returns for holders. Gabriel Shapiro, a corporate securities attorney, commented that the guidance "goes further than I expected," making securities laws look "opt-in" as applied by the SEC to crypto. The FAQs, which carry no legal force, build on the SEC's March interpretive release and its Regulation Crypto Assets proposal. SEC Chair Paul Atkins had signaled in July that the agency would step in if the Clarity Act failed in the Senate, which it did.
21:10
Emerging market investors, including Aegon USA Investment Management and JPMorgan Asset Management, are cutting their riskiest bond bets, Bloomberg Markets reported. The intensifying global credit market sell-off could hinder the strong performance of developing nation bonds. Despite recent market turmoil pushing US government bond yields to near two-decade highs, emerging market dollar bonds have still returned 1.4% over the past year. However, with oil prices breaking above $100 a barrel and investors expecting global interest rates to remain high for longer, credit spreads have narrowed to their tightest level since 2007, prompting caution from money managers who believe bonds are poised for a sell-off.
21:09
The trader has also set take-profit orders at $200. If SOL reaches $200, the potential profit could exceed $65M.
21:02
The Australian Senate has summoned the heads of OpenAI and Anthropic for an inquiry into a health-data hack. A rogue OpenAI research agent reportedly bypassed blocks on the Australian government's health-data portal in June, accessing non-public files.
19:54
Barrick Mining Corp. has reached an agreement with unions representing workers at its Loulo-Gounkoto gold mining operation in western Mali, averting strikes planned to begin on Monday.
19:49
John Hultquist, a principal analyst at Google's Threat Analysis Group, stated that hacker attacks targeting AI accounts and computing resources have significantly increased this year, with a new attack method called "LLM hijacking" gaining traction in the cybercrime underground. Access to AI models from companies like Anthropic, Google, and OpenAI is being sold on dark web markets at discounts of up to 97%. Simultaneously, criminal gangs and state-sponsored hacker groups are infiltrating enterprise cloud servers to implant their own AI models, "freeloading" hashrate in a manner identical to previous cryptocurrency mining hijackings. Hultquist warned that enterprises are more vulnerable to attacks during the initial deployment of AI infrastructure, and defenders will face a "cost asymmetry" dilemma.
19:39
U.Today analysis points out that since early August, Bitcoin has surged significantly from approximately $63,000 to a recent high of around $87,000, currently trading at about $84,600. During the same period, the DXY has also risen from around 98.40 in early September to over 101.00 currently. This synchronized strengthening is noteworthy, as Bitcoin is often seen as a hedge against a weakening dollar. The analysis suggests that this is more likely a temporary decoupling rather than a long-term structural shift. The trend over the coming weeks, along with macroeconomic catalysts such as Federal Reserve comments and inflation data, will be crucial in determining whether the correlation has structurally broken down.
19:35
Institutional investors are increasingly driving the stock market, with data showing their options flows are three times higher than a typical September. Vanda Research strategist Viraj Patel noted their resilience amidst spiking 10-year and 30-year U.S. Treasury yields, calling it a "constructive signal for risk appetite." Big money is selectively buying AI plays, with Meta Platforms' shares surging almost 13% last week after its Muse Charm device debut. Meanwhile, Goldman Sachs reported retail investors' share of S&P 500 trading volume has fallen more than three percentage points below its five-year average.
19:28
In a podcast on September 26, anonymous analyst Mr. P analyzed that despite optical communication ultimately dominating, copper cables and optical communication will coexist for a long time until 2027. He believes that due to high storage costs, hyperscale cloud vendors must save money elsewhere, and Co-Packaged Optics (CPO) is currently still very expensive with yield and heat dissipation issues. Its penetration rate will remain low even after capacity ramps up in 2028-2029, and it may not truly dominate until after 2030.
19:28
On September 26, anonymous analyst Mr. P stated in a podcast that while used H100 chips can still sell for $25,000 and B-series GPU hourly rentals have risen to $7-8, the sheer number of GPU dies is not the core bottleneck. He pointed out that the real bottlenecks are data center power, advanced packaging, and storage, with ABF substrate capacity constraints expected to persist beyond 2028-2030. Furthermore, the backlog of orders for gas turbines needed to build new computing centers extends beyond 2030.
19:28
Anonymous analyst Mr. P stated in a podcast on September 26 that hyperscale cloud vendors cannot predict the situation two years from now, and the market's "never-ending super cycle" assumption for AI hardware investment is just that—an assumption. He expects hyperscale cloud capital expenditure to be between $1.1 trillion and $1.2 trillion next year, with storage (HBM, DRAM, and NAND) potentially accounting for 50% to 60%, or $500 billion to $700 billion. UBS even estimates storage spending will reach $900 billion next year.
19:18
Bitcoin is on track to post its second-best third quarter on record, with a roughly 43.5% gain that trails only 2017, according to CoinGlass data.
18:58
Hong Kong developers have already sold more than 290 of the new flats they launched over the weekend, as buyers look to lock in mortgages ahead of an anticipated rise in interest rates later this year, according to property agents. Many buyers expect local rates to rise in the coming months.
18:57
Shiba Inu lead ambassador Shytoshi Kusama has marked 137 days of silence on X, with his last post and interaction on X being on May 13. Meanwhile, Shiba Inu is about to experience its first major golden cross of 2026, with the daily chart moving averages about to converge. The daily MA 50 is climbing steadily and is about to cross the daily MA 200, creating a golden cross, which is a bullish indication. Shiba Inu's last visible golden cross was in November 2024.
18:46
On September 27, the Southern Theater Command of the Chinese People's Liberation Army conducted a joint naval and air force exercise in the sea and air space around Scarborough Shoal.

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