The Ark 21Shares Ethereum ETF is the first attempt to list such a fund in the U.S. that directly invests in ETH, the second largest cryptocurrency by market capitalization.
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Cathy Wood's ARK Invest Files for First Spot Ether ETF

The Ark 21Shares Ethereum ETF is the first attempt to list such a fund in the U.S. that directly invests in ETH, the second largest cryptocurrency by market capitalization.
Source