Revenue - Schedule of Disaggregate Revenue by Service Type and By Platform (Details) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Dec. 31, 2024
Revenue stream
Revenues, net	$ 6,089,909	$ 8,175,926	$ 11,682,218	$ 15,263,763	$ 31,793,673	$ 23,753,148
Less: Sales returns and allowances	(3,975)	(23,346)	(8,170)	(35,024)	(54,711)	(11,594)
Banking and payments revenues [Member]
Revenue stream
Revenues, net	5,293,820	7,921,556	10,225,033	14,843,181	30,322,364	23,432,996
Custody and Trading Revenues [Member]
Revenue stream
Revenues, net	772,379	241,600	1,437,573	393,455	1,462,357	170,746
Other revenues [Member]
Revenue stream
Revenues, net	$ 27,685	$ 36,116	$ 27,782	$ 62,151	$ 63,663	$ 161,000

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-40

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 924
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+ Details