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Thailand's central bank will require individuals depositing THB 5 million (about $150,000) or more in cash to verify the source of funds, Bank of Thailand Governor Vitai Ratanakorn announced. The bank is also working with the Thai SEC to review large stablecoin transactions, particularly USDT, over concerns about concealed ownership and attempts to bypass domestic remittance channels.
Why it matters
USDT is the dominant dollar settlement rail across Southeast Asia, and Thailand's existing remittance framework already faces persistent pressure from informal stablecoin flows. Pairing an outright cash-deposit verification rule with a stablecoin audit gives regulators a second front to plug perceived leaks in the formal system.
Market impact
For over-the-counter desks in Bangkok and the major tourist corridors, the scrutiny lands directly on their largest-volume product. Thai-based USDT liquidity is likely to migrate toward larger, more transparent venues as smaller operators brace for documentation requests, while a renewed enforcement push in one ASEAN capital raises the question of whether neighbours will follow.
Source: [Bank of Thailand Crackdown on 'Grey Capital' Targets Cash Deposits and Stablecoins — The Nation Editorial Team](https://www.nationthailand.com/business/banking-finance/40068531)
Frequently asked questions
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What exactly did the Bank of Thailand announce about cash deposits?
Governor Vitai Ratanakorn confirmed that individuals depositing THB 5 million or more in cash will be required to verify the source of funds, a rule aimed at shadow-economy flows.
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Why is USDT specifically being targeted by Thai regulators?
Thai authorities say USDT is the dominant stablecoin in cross-border flows and suspect that large transfers are concealing beneficial ownership and bypassing formal remittance channels.
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Is Thailand working with any other regulator on the stablecoin review?
Yes. The Bank of Thailand is coordinating the stablecoin audit with Thailand's SEC, focusing particularly on large USDT transactions.
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How might the new rules affect crypto OTC desks in Thailand?
Smaller OTC operators without strong compliance teams face the largest exposure from documentation requests and SEC audit pressure. Liquidity is likely to migrate toward larger, more transparent venues.
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Could this trigger similar reviews across Southeast Asia?
Thailand is one of the larger dollar-stablecoin markets in ASEAN by retail volume. Indonesia, Vietnam, and the Philippines will be watched to see whether they match the threshold or coordinate their own stablecoin reviews.
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