COMBINED STATEMENT OF ASSETS AND LIABILITIES (Parentheticals)	9 Months Ended
	Dec. 31, 2024 USD ($) $ / shares
Investment in ether, at cost | $	$ 40,293,304
Common stock, no par value | $ / shares	$ 0
Common stock, shares authorized, unlimited (in shares)	Unlimited
Franklin Ethereum ETF [Member]
Investment in ether, at cost | $	$ 40,293,304
Common stock, no par value | $ / shares	$ 0
Common stock, shares authorized, unlimited (in shares)	Unlimited