Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Cash flows from operating activities:
Net loss	$ (367,074)	$ (625,463)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	6,282	29,669
Amortization of right-of-use assets	7,926	113,116
Expected credit loss allowance		26,400
Gain (loss) from investment in trading securities	(148,158)	109,403
Changes in operating assets and liabilities:
Accounts receivable		(30,000)
Accounts receivable – a related party		600,000
Prepaid expenses and other current assets	72,000	57,030
Contract liabilities		(70,000)
Accounts payable, accrued expenses and other current liabilities	(372,677)	83,842
Lease liabilities	1,073	(98,644)
Net cash (used in) provided by operating activities	(800,628)	195,353
Cash flows from investing activities:
Purchase of property and equipment		(4,332)
Investment in trading securities		(438,108)
Proceeds from redemption of investment in trading securities	9,016
Loans made to a related party		(17,710)
Collection of borrowings from a related party		20,000
Net cash provided by (used in) investing activities	9,016	(440,150)
Net decrease in cash	(791,612)	(244,797)
Cash, beginning of period	1,249,376	606,022
Cash, end of period	457,764	361,225
Supplemental disclosure of cash flow information:
Cash paid for interest expenses
Cash paid for income tax
Supplemental disclosure of Non-cash financing activities
Capital contribution from a shareholder in the form of trading securities	$ 3,611,000