v3.25.2
Document and Entity Information
Aug. 04, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 04, 2025
Entity Registrant Name Grayscale Ethereum Classic Trust (ETC)
Entity Incorporation, State or Country Code DE
Securities Act File Number 000-56309
Entity Tax Identification Number 82-6239281
Entity Address, Address Line One c/o Grayscale Investments Sponsors, LLC
Entity Address, Address Line Two 290 Harbor Drive, 4th Floor
Entity Address, City or Town Stamford
Entity Address, State or Province CT
Entity Address, Postal Zip Code 06902
City Area Code 212
Local Phone Number 668-1427
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(g) Security Grayscale Ethereum Classic Trust (ETC) Shares
Trading Symbol ETCG
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0001705181