最新报道:According to Coinnet, 21Shares has filed an S-1 with the U.S. Securities and Exchange Commission (SEC), proposing to launch the 21Shares Sei ETF, which will track the price of the SEI token. The ETF will not use leverage or derivatives. SEI will be held in custody by Coinbase Custody, and shares are expected to be listed on an exchange. Authorized participants will be able to subscribe and redeem using cash or physical assets.