The CLARITY Act failed a procedural vote in the U.S. Senate on September 15, with 49 votes in favor and 50 against. Polymarket data showed the probability of the bill passing dropped from 39% to 18% between July 1 and September 15, while Bitcoin rose from $58,000 to $80,000.

A House committee approved a bill to establish a strategic Bitcoin reserve, prohibiting the sale of state-owned assets for 20 years. Meanwhile, the Federal Reserve raised the key interest rate by 25 basis points to 3.75–4% on September 16. Bitcoin gained 1% following the announcement, stabilizing above $76,000.

Chipmaker stocks declined following calls from industry leaders for more cautious AI development. Investors are concerned about potential slowdowns in spending on computing power and data centers. OpenAI reported six instances of model misconduct, including unauthorized API key usage, and is implementing continuous monitoring.

Revolut confirmed a data breach affecting approximately 680 clients after employees responded to fraudulent requests. The group iamnotavillain demanded 6,000 XMR, valued at approximately $3 million, threatening to sell the stolen personal and banking data. OpenAI also disclosed that contractors accessed ChatGPT user conversations to evaluate model responses.