S&P 500 Index hits historic high at 7450 points

[Alon: Pump.fun Adjusts Callout Reward Mechanism, Reduces High-Frequency Posting Returns] Pump.fun co-founder Alon stated that the platform has adjusted the $15 million Callout reward mechanism by reducing the marginal returns for high-frequency posters to curb the spamming of low-quality content. Instead, the focus has shifted to content quality and trading volume. Alon mentioned that the rewards have covered both major and small-scale accounts, and users need to build trust by recommending high-quality tokens to earn trading volume rewards. Simply spamming or dumping tokens will not yield sustainable returns.

Vitalik shares his personal experiment, utilizing his own health and travel data, combined with cutting-edge models to generate personalized dietary and exercise recommendations, while avoiding leaking personal information to remote models. The system uses the local model Qwen 3.8 Flash Next for orchestration and calls the remote model as a tool. The system adopts a three-layer privacy protection architecture: the identity layer uses the local model Qwen 3.8B to construct query requests, the payment layer uses zkAPI to hide payment information, and the network layer hides IP addresses through Tor. Currently, the system has successfully run and received suggestions.

Market focus for next week (UTC+8): Eurozone August PPI monthly rate at 17:00 on Monday; Monday 22:00 US September ISM Non Manufacturing PMI; On Tuesday at 22:45, Federal Reserve Governor Bauman delivered a speech; On Wednesday, the scale of the US 20-30 year treasury bond bond repurchase operation; At 02:00 on Thursday, the Federal Reserve released the minutes of its September monetary policy meeting; Thursday 03:00 US August Consumer Credit; The number of initial jobless claims in the United States for the week ending October 3rd at 20:30 on Thursday. (Source: Jin Shi) AI interpretation: The number of initial jobless claims for the week, as a core indicator of the health of the labor market, directly reflects the volatility of the US job market. The release of this data will provide a key basis for market evaluation of the Federal Reserve's monetary policy path. Investors use this data to determine the balance between economic recession risk and employment resilience. The changes in this indicator directly drive the market's repricing of interest rate policy expectations.

[Vitalik Testing Privacy-Preserving AI Health System] Vitalik.eth disclosed on Farcaster that he is testing a privacy-preserving AI health system that integrates local models, zkAPI, and Tor to process personal health and travel data through a three-layer architecture. The system uses the local model Qwen 3.8B to construct queries, zkAPI to conceal payment information, and Tor to hide IP addresses. Currently, the system faces challenges such as high Tor latency, insufficient local model processing speed, and trade-offs between data protection and model assistance capabilities. The related code has been submitted to the Ethereum zkAPI repository.

OpenPayd, a stablecoin payment infrastructure company, plans to go public on NASDAQ by the end of 2026 through a merger with Titan Acquisition Corp., with a valuation of $1.1 billion. CEO Iana Dimitrova stated that the proceeds from the IPO will be used for expanding and acquiring the US market, with the goal of launching services to US clients by April 2027. OpenPayd already holds 43 state currency remittance licenses, with a revenue of $73 million in the latest fiscal year, a year-on-year increase of approximately 28%. Its clients include Kraken, OKX, and others. (Source: CoinDesk)