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Concentration of Risk | 12 Months Ended
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Dec. 31, 2025
Risks and Uncertainties [Abstract] |
Concentration of Risk | 6. Concentration of Risk Substantially all the Trust’s assets are holdings of bitcoin, which creates a concentration risk associated with fluctuations in the price of bitcoin. Accordingly, a decline in the price of bitcoin will have an adverse effect on the value of the Shares of the Trust. The trading prices of bitcoin have experienced extreme volatility in recent periods and may continue to fluctuate significantly. Extreme volatility in the future, including substantial, sustained, or rapid declines in the trading prices of bitcoin, could have a material adverse effect on the value of the Shares and the Shares could lose all or substantially all of their value. Factors adversely impacting the value of bitcoin and the Shares may include an increase in the global bitcoin supply or a decrease in global bitcoin demand; market conditions of, and overall sentiment towards, the crypto assets and blockchain technology industry; trading activity on crypto asset exchanges, which, in many cases, are largely unregulated or may be subject to manipulation; the adoption of bitcoin as a medium of exchange, store-of-value or other consumptive asset and the maintenance and development of the open-source software protocol of the Bitcoin network, and their ability to meet user demands; manipulative trading activity on crypto asset exchanges, which, in many cases, are largely unregulated; and forks in the Bitcoin network, among other things. Coinbase Custody Trust Company, LLC serves as the Trust’s custodian for bitcoin for which qualified custody is available (the “Bitcoin Custodian”). The Bitcoin Custodian is subject to change in the sole discretion of the Sponsor. At December 31, 2025 and December 31, 2024, bitcoin with a market value of $3,381,406,113 and $3,754,078,608 was held by the Bitcoin Custodian, respectively.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482836/275-10-55-3A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/275/tableOfContent + Details
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