币界网报道:The Securities Industry and Financial Markets Association (SIFMA) has urged the SEC to reject digital asset firms' requests for no-action or exemptive relief to offer tokenized equities, calling for a transparent public process instead. In a letter to the SEC's Crypto Task Force, SIFMA expressed concerns over reports that crypto firms like Coinbase and Kraken are seeking approval to launch blockchain-based stock trading, which could compete with traditional brokerages. The association emphasized that policy questions around investor protection and oversight of unregistered entities require broader industry input. Meanwhile, the SEC is reportedly developing a "generic listing standard