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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Mar. 17, 2025
Jun. 30, 2024
Cover [Abstract]      
Entity Registrant Name BITWISE ETHEREUM ETF    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Year Focus 2024    
Document Annual Report true    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Entity Central Index Key 0002013744    
Trading Symbol ETHW    
Entity Filer Category Non-accelerated Filer    
Entity Current Reporting Status Yes    
Entity Common Stock, Shares Outstanding   13,380,000  
Entity Public Float     $ 0
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Emerging Growth Company true    
Entity Small Business true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Documents Incorporated by Reference

None.

    
Entity File Number 001-42159    
Entity Tax Identification Number 99-6361348    
Entity Address, Address Line One 250 Montgomery Street    
Entity Address, Address Line Two Suite 200    
Entity Address, City or Town San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94104    
City Area Code 415    
Local Phone Number 707-3663    
Document Transition Report false    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current Yes    
Title of 12(b) Security Bitwise Ethereum ETF Shares    
Security Exchange Name NYSEArca    
Auditor Name KPMG LLP    
Auditor Firm ID 185    
Auditor Location New York, New York    
Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying statement of assets and liabilities, including the schedule of investment of Bitwise Ethereum ETF (the Trust) as of December 31, 2024, and the related statements of operations, changes in net assets and cash flows for the period July 22, 2024 (commencement of operations) through December 31, 2024, and the related notes (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Trust as of December 31, 2024, the results of its operations, changes in its net assets, and its cash flows for the period July 22, 2024 (commencement of operations) through December 31, 2024, in conformity with U.S. generally accepted accounting principles.