Wu Shuo learned that Bloomberg analyst James Seyffart stated that REX Shares has submitted effective prospectuses for Solana and Ethereum staking ETFs to U.S. regulators, with listings expected in the coming weeks. These two products are funds registered under the 1940 Act, utilizing a rare C-corporation structure and obtaining spot exposure through Cayman subsidiaries, thereby bypassing the traditional 19b-4 approval process.