COMBINED STATEMENT OF ASSETS AND LIABILITIES (Parentheticals)	8 Months Ended
	Mar. 31, 2025 USD ($) $ / shares
Investment in ether, at cost | $	$ 37,851,948
Common stock, no par value (in Dollars per share) | $ / shares	$ 0
Common stock, shares authorized, unlimited (in Shares)	Unlimited
Franklin Ethereum ETF [Member]
Investment in ether, at cost | $	$ 37,851,948
Common stock, no par value (in Dollars per share) | $ / shares	$ 0
Common stock, shares authorized, unlimited (in Shares)	Unlimited