Related Parties (Details) - USD ($)			3 Months Ended
	Feb. 13, 2025	Jan. 21, 2025	Mar. 31, 2026	Dec. 31, 2025
Related Parties [Line Items]
Management fee			$ 21,195	$ 26,623
Share price	$ 25	$ 25
Redemption amount	$ 250,000
Sponsor provided the initial seed creation shares		10,000	10,000
Sponsor [Member]
Related Parties [Line Items]
Management fee			$ 21,195	$ 26,623
Number of shares holds by crypto index fund			4,000,000