v3.26.3
Related Parties (Details)
 3 Months Ended 9 Months Ended
Dec. 22, 2025
USD ($)
Avalanche
$ / shares
shares
Nov. 20, 2025
USD ($)
$ / shares
shares
Sep. 30, 2026
USD ($)
Avalanche
shares
Sep. 30, 2026
USD ($)
Avalanche
shares
Dec. 31, 2025
Avalanche
shares
Related Parties [Abstract]          
Stock issued during the period, new issues (in Shares) [1]     125,000 850,000  
Shares issued (in Shares)     950,000 950,000 100,000
Contributions for shares issued (in Dollars) | $ [1],[2]     $ 2,505,622 $ 16,364,976  
Quantity of Avalanche (in Avalanche) | Avalanche     1,985,601.68 [3] 1,985,601.68 [3] 206,019.9
Ownership percentage of net assets     100.03% 100.03% 100.00%
Van Eck Securities Corporation [Member] | Metatech Holdings [Member]          
Related Parties [Abstract]          
Minority interest percentage     5.00% 5.00%  
Seed Capital Investor [Member]          
Related Parties [Abstract]          
Stock issued during the period, new issues (in Shares)   4,000      
Shares issued, price per share (in Dollars per share) | $ / shares   $ 25      
Proceeds from issuance of common stock (in Dollars) | $   $ 100,000      
Ownership percentage of net assets     11.00% 11.00% 100.00%
Seed Creation Baskets [Member]          
Related Parties [Abstract]          
Shares issued, price per share (in Dollars per share) | $ / shares $ 25        
Shares issued (in Shares) 100,000        
Contributions for shares issued (in Dollars) | $ $ 2,500,000        
Quantity of Avalanche (in Avalanche) | Avalanche 206,019.9        
[1] No comparative share activity have been provided as the Trust did not have any operations as of September 30, 2025.
[2] No comparative financial statements have been provided as the Trust did not have any operations as of September 30, 2025.
[3] Includes 1,588,636.97 of staked avalanche.