Regulatory Risk [Member] Digital Asset And Blockchain Regulatory Risk [Member] Liquidity Risk [Member] Emerging Technology Risk [Member] Operational And Technology Risk [Member] The Fees And Risks Related To Use Of The Ethereum Blockchain [Member] Ethereum Blockchain Technology Risks [Member] Fork Risk [Member] Fifty One Percent Attack Risk [Member] Additional Risks Of The Ethereum Blockchains Change To A Proof Of Stake Consensus Mechanism [Member] Conflicts Of Interest [Member] Interval Fund Risk [Member] Risk Of Fund Closure [Member] Liquidity Risks [Member] Risks Relating To The Funds Tax Status [Member] Reliance On The Transfer Agent [Member] Secondary Market Risks [Member] Market Manipulation Risks [Member] U S Treasury Obligations Risk [Member] Interest Rates Risk [Member] Liquidity Risk [Member] Portfolio Management Risk [Member] Market Risk [Member] Valuation Risk [Member] Liquidity Risk [Member] [Default Label]