Summary：**Bank of Thailand and SEC Launch Joint Probe Into Massive USDT Transactions** *Increased regulator

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**Bank of Thailand and SEC Launch Joint Probe Into Massive USDT Transactions**
*Increased regulatory scrutiny on USDT transactions in Thailand may reduce trading volumes, impacting market liquidity and foreign participation.*

### Introduction
Thailand’s financial authorities have escalated their oversight of the cryptocurrency sector after detecting unusually large flows of Tether (USDT) moving through local exchanges. The Bank of Thailand (BOT) and the Securities and Exchange Commission (SEC) announced a coordinated investigation on Monday, aiming to determine whether these transactions comply with existing anti‑money‑laundering (AML) and foreign‑exchange rules. The move comes amid growing concern that stablecoins are being used to bypass capital controls and facilitate cross‑border speculation.

### Key Developments
According to a joint statement, the probe will focus on USDT transfers exceeding 100 million baht per transaction that have been recorded over the past six months. Regulators said they have requested transaction logs from major Thai crypto platforms and are working with international partners to trace the origin and destination of the funds.
The BOT emphasized that while it does not prohibit the use of stablecoins, any activity that threatens the baht’s stability or violates the Foreign Exchange Act will be subject to enforcement action. The SEC added that it will assess whether any of the investigated trades constitute unregistered securities offerings, particularly when USDT is used to purchase tokenized assets issued by Thai firms.

### Industry Analysis
Market participants warn that heightened scrutiny could dampen trading activity. “If exchanges start imposing stricter KYC/AML checks on large USDT moves, we may see a drop in volume, especially from institutional traders who rely on rapid settlement,” said a senior analyst at a Bangkok‑based crypto hedge fund. Liquidity providers have already begun to widen spreads on USDT/THB pairs, anticipating higher compliance costs.
On the other hand, some industry voices view the investigation as a step toward clearer rules. A transparent regulatory framework could eventually attract more foreign investors who have been hesitant to enter the Thai market due