21Shares files to launch SEI ETF, joining race with Canary Capital SEI is the native token of the Sei network, a layer-1 blockchain specializing in trading infrastructure for decentralized exchanges and marketplaces. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ August 29, 2025 1:31 am