Thailand has a five-year tax exemption on crypto gains, and it is easy to misread. Here is what a Forvis Mazars summary of Ministerial Regulation No. 399 actually says.
The exemption runs from 1 January 2025 to 31 December 2029. It applies to individuals who sell or transfer crypto and digital tokens, and it removes personal income tax on the gains. The catch is the condition: the trade must go through a digital-asset operator licensed by the Thai SEC. Gains from foreign or unlicensed exchanges are excluded, unless later guidance changes that.
Also outside the exemption are mining, staking, airdrops and other reward-style income. So the person trading on a Thai licensed platform is covered. The person staking on an overseas app probably is not.
The grey area is the one many nomads care about. The summary says it is unclear whether the exemption covers crypto profits earned abroad and then brought into Thailand by a Thai tax resident. Do not assume it does.
Keep records either way: purchase and sale dates, trade confirmations and cost basis. If the Revenue Department asks, you want a paper trail, not a memory.
After 2029, unless it is extended, gains go back into the normal progressive rates of 5 to 35 percent.
The source is a secondary summary, so read the regulation itself or ask a Thai-qualified tax adviser about your own situation.
This is information, not financial or tax advice.