Deep Tide TechFlow News, on July 19, according to an official announcement, 21Shares collaborated with Teucrium ETFs to submit applications for two cryptocurrency index ETFs to the U.S. SEC, namely the 21Shares FTSE Crypto 10 Index ETF and the 21Shares FTSE Crypto 10 ex-BTC Index ETF. These track the top ten cryptocurrencies by market capitalization and the FTSE Crypto Index excluding Bitcoin.