U.S. crypto-related shares fell on Sept. 15 after the Senate failed to clear the procedural step needed to advance the Clarity Act. Coinbase and Circle slid about 10 percent, while bitcoin miners and companies holding bitcoin also declined. The bill would set rules for the U.S. digital-asset market and define the jurisdictions of the CFTC and SEC. Bitcoin briefly dipped below $75,000 after the vote before recovering to around $76,000.

Cardano founder Charles Hoskinson voiced support for possible technical cooperation between Cardano and Ethereum, saying both ecosystems could benefit by sharing innovations. He urged Ethereum\'s developer community to review Cardano\'s UTXO-based smart contract approach and said it could help add new features and strengthen interoperability. Hoskinson said cooperation would not require financial exchanges or revisiting past disputes, and suggested direct collaboration could deliver needed functions within months.