Client cash deposits.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of digital assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	deft_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

ETP holders payable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of equity investments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
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-URIDate 2025-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current accrued expenses and other current liabilities. [Refer: Accruals; Other current liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]

+ References

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-URIDate 2025-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2025-03-27

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The amount of loans payable in default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 7
-IssueDate 2025-01-01
-Paragraph 18
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- Definition

The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

+ References

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- Definition

Amounts payable that the entity does not separately disclose in the same statement or note.

+ References

+ Details

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Period Type:	instant

- Definition

The amount of warrant liabilities.

+ References

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Financial Instruments - Schedule of Financial Assets and Financial Liabilities (Details) - USD ($)	Dec. 31, 2025	Sep. 26, 2025	Sep. 25, 2025	Dec. 31, 2024	Jan. 01, 2024
Schedule of Financial Assets and Financial Liabilities [Line Items]
Cash	$ 91,234,090			$ 15,931,525
Client Cash Deposits	5,615,054			10,665,147
Digital assets, digital assets loaned, and digital assets staked	515,586,931			555,838,900
Equity investments	131,982,050			257,425,063
Public investments	272,520			778,085
Private investments	29,372,628			37,348,081	32,717,095
Accounts payable and accrued liabilities	(9,270,110)			(3,482,464)	(6,899,320)
Loan payable	(2,611,009)			(9,693,294)	(42,522,656)
Lease liability	(3,102,188)
Warrant liability	(13,599,316)	$ (4,123,753)	$ (53,241,889)
Trading liabilities	(24,122,640)			(15,109,375)
ETP holders payable	(622,304,667)			(871,162,347)	$ (384,190,602)
Asset / (liabilites) at amortized cost [Member]
Schedule of Financial Assets and Financial Liabilities [Line Items]
Cash	91,234,090			15,931,525
Client Cash Deposits	5,615,054			10,665,147
Digital assets, digital assets loaned, and digital assets staked
Equity investments
Public investments
Private investments
Accounts payable and accrued liabilities	(9,270,110)			(3,482,464)
Loan payable	(2,611,009)			(9,693,294)
Lease liability	(3,102,188)
Warrant liability
Trading liabilities
ETP holders payable
Assets /(liabilities) at fair value through profit/(loss) [Member]
Schedule of Financial Assets and Financial Liabilities [Line Items]
Cash
Client Cash Deposits
Digital assets, digital assets loaned, and digital assets staked	515,586,931			555,838,900
Equity investments	131,982,050			257,425,063
Public investments	272,520			778,085
Private investments	29,372,628			37,348,081
Accounts payable and accrued liabilities
Loan payable
Lease liability
Warrant liability	(13,599,316)
Trading liabilities	(24,122,640)			(15,109,375)
ETP holders payable	$ (622,304,667)			$ (871,162,347)