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Significant Accounting Policies - Schedule of Unobservable Inputs, Including the Trust’s Assumptions (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets
Investment in bitcoin	$ 3,305,394	$ 4,352,648
Level 1 [Member]
Assets
Investment in bitcoin	3,305,394	4,352,648
Level 2 [Member]
Assets
Investment in bitcoin
Level 3 [Member]
Assets
Investment in bitcoin

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Fair value of crypto asset. Excludes crypto asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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-Topic 350
-SubTopic 60
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-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147476163/350-60-45-1

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