Hashdex, a Brazil-based investment manager, has filed with the United States Securities and Exchange Commission (SEC) to create a combined spot Bitcoin (BTC) and Ether (ETH) exchange-traded fund (ETF) on the Nasdaq exchange . This ETF would be the first of its kind if approved . The proposed ETF would be market cap-weighted and would exclude "crypto securities, tokenized assets, or stablecoins," focusing solely on Bitcoin and Ethereum investments