According to Cryptotimes, Nasdaq submitted a rule change application to the US Securities and Exchange Commission (SEC) on June 7th, planning to include XRP, Solana (SOL), Cardano (ADA), and Stellar Lumens (XLM) in its crypto index benchmark. This adjustment involves the Hashdex Nasdaq Crypto Index ETF (NCIQ), which plans to expand its tracking target from the original Nasdaq Crypto US Settlement Price Index (NCIUS) to the Nasdaq Crypto Index (NCI) covering 9 tokens. At present, the NCI index includes 9 cryptocurrencies such as Bitcoin (BTC) and Ethereum (ETH), but due to current SEC regulations, this ETF can only hold BTC and ETH, resulting in tracking error risk. If approved, the ETF will be able to invest in all index component assets, and the final decision is expected to be made before November 2, 2025. This move may take a crucial step towards diversification for US cryptocurrency ETFs.