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Cover
Dec. 12, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 12, 2025
Entity File Number 001-42151
Entity Registrant Name 21SHARES ETHEREUM ETF
Entity Central Index Key 0001992508
Entity Tax Identification Number 93-6828290
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 477 Madison Avenue
Entity Address, Address Line Two 6th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code 646
Local Phone Number 370-6016
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares of Beneficial Interest of 21Shares Ethereum ETF
Trading Symbol TETH
Security Exchange Name CboeBZX
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false