Winklevoss Asset Services has filed an S-1 registration statement with the U.S. Securities and Exchange Commission (SEC) to launch a spot Zcash (ZEC) exchange-traded fund (ETF), proposed to be listed on Nasdaq under the ticker symbol WINK. The ETF will directly hold ZEC, with Gemini Trust Company serving as custodian, and will charge an annual sponsor fee of 0.25%. Winklevoss Capital Fund has expressed interest in subscribing for up to $100 million in shares, though this indication of interest is non-binding. Currently, Grayscale Zcash ETF (ZCSH) is the only spot ZEC ETF listed in the U.S.