Asset manager Franklin Templeton is seeking to launch a new exchange-traded fund (ETF) designed to as a one-stop-shop crypto portfolio, according to an Aug. 16 filing. The Franklin Crypto Index ETF will track the performance of the CF Institutional Digital Asset Index, which currently only comprises Bitcoin (BTC) and Ethereum (ETH), the filing said. “The Fund will seek to achieve its investment objective by investing in the Digital Assets in approximately the same weights as they represent in the Underlying Index,” according to the filing, which says that the ETF may hold additional types of c…