COMBINED SCHEDULES OF INVESTMENTS (Unaudited) (Parentheticals)	Jun. 30, 2026	Mar. 31, 2026
COMBINED SCHEDULES OF INVESTMENTS [Abstract]
Percentage of Solana staked with third party counterparties	99.88%	99.98%
Franklin Solana ETF [Member]
COMBINED SCHEDULES OF INVESTMENTS [Abstract]
Percentage of Solana staked with third party counterparties	99.88%	99.98%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details