According to reports from Wu, Bloomberg analyst James Seyffart stated that REX Shares has submitted a valid prospectus for a Solana and Ethereum staking ETF to U.S. regulators, which is expected to be listed in the coming weeks. These two products are registered funds under the 1940 Act, using a rare C corporation structure, and gain spot exposure through a Cayman subsidiary, thereby bypassing the traditional 19b-4 approval process.