COMBINED STATEMENTS OF ASSETS AND LIABILITIES - USD ($)		Mar. 31, 2025	Mar. 31, 2024
Assets
Investment in bitcoin, at fair value	[1]	$ 411,158,674	$ 341,901,126
Total assets		411,158,674	341,901,126
Liabilities
Sponsor's fee payable		$ 301,331	$ 21
Notes Payable, Related Party, Type [Extensible Enumeration]		Related Party [Member]	Related Party [Member]
Total liabilities		$ 301,331	$ 21
Net assets		$ 410,857,343	$ 341,901,105	[2]
Shares issued (in Shares)	[3]	8,550,000	8,350,000
Shares outstanding (in Shares)	[3]	8,550,000	8,350,000
Net asset value per Share (in Dollars per share)		$ 48.05	$ 40.95
Franklin Bitcoin ETF [Member]
Assets
Investment in bitcoin, at fair value	[1]	$ 411,158,674	$ 341,901,126
Total assets		411,158,674	341,901,126
Liabilities
Sponsor's fee payable		$ 301,331	$ 21
Notes Payable, Related Party, Type [Extensible Enumeration]		Related Party [Member]	Related Party [Member]
Total liabilities		$ 301,331	$ 21
Net assets		$ 410,857,343	$ 341,901,105	[2]
Shares issued (in Shares)	[3]	8,550,000	8,350,000
Shares outstanding (in Shares)	[3]	8,550,000	8,350,000
Net asset value per Share (in Dollars per share)		$ 48.05	$ 40.95

[1] Cost of investment in bitcoin: $313,983,408 at March 31, 2025 and $280,623,942 at March 31, 2024.

[2] On December 15, 2023, prior to the commencement of the Fund’s operations, Franklin Resources, Inc., an affiliate of the Sponsor (the “Seed Capital Investor”) purchased 4,000 Shares at a per-Share price equal to $25.00 (the “Initial Seed Shares”). Delivery of the Initial Seed Shares was made on December 15, 2023. Total proceeds to the Fund from the sale of the Initial Seed Shares were $100,000. On January 8, 2024, the Initial Seed Shares were redeemed for $100,000 and the Seed Capital Investor purchased two creation units in a cash transaction comprised of a total of 100,000 Shares at a per-Share price based on 29.00000000 bitcoins per Creation Unit (or 0.00058 bitcoins per Share), for a total of 58.00000000 bitcoins (the “Seed Creation Units”). The cash proceeds to the Fund from the sale of the Seed Creation Units were used by the Fund to purchase 58.00000000 bitcoins at the price of $44,973.58 per bitcoin on January 8, 2024. The transaction and other costs incurred in connection with the Seed Creation Units were paid by the Seed Capital Investor and not borne by the Fund. Thus, the ultimate total proceeds to the Fund from the sale of the Seed Creation Units were $2,608,467.81 (an amount representing 58.00000000 bitcoins).

[3] No par value, unlimited amount authorized.