The move by #纳斯达克加密ETF扩容 is likely to increase the attention and accessibility of altcoins among traditional investors. As a well-known trading platform, Nasdaq's proposal to include XRP, SOL, ADA, and XLM in its cryptocurrency benchmark index means that these altcoins are advancing into the mainstream financial sector, which can attract more attention from traditional investors. If approved by the SEC, the Hashdex ETF could invest in these currencies, further increasing their liquidity and market depth, lowering investment thresholds, and enhancing accessibility. In terms of portfolio strategy, if approved, it may be worth considering an appropriate allocation to these altcoins for diversification benefits, but one should be aware of their high volatility and regulatory uncertainty.