币界网报道:KraneShares, a New York-based asset management firm, has filed with the SEC to launch a "Coinbase 50 Index ETF" tracking the top 50 cryptocurrencies by market cap. The index, managed by Coinbase, currently allocates 50% to Bitcoin, 21% to Ethereum, and 9% to XRP, with quarterly rebalancing. ETF Store President Nate Geraci predicts a surge in crypto index ETF filings. KraneShares, majority-owned by China International Capital Corporation, specializes in China-focused, climate, and alternative investments.