Thailand's 0% crypto tax goes viral after CZ post, but it's been law since 2025

A post by Binance founder @cz_binance on Thailand's 0% capital gains tax on crypto went viral this week, driving a sharp spike in Thailand-related social volume across trading communities. Traders framed the policy as evidence that the US is falling behind on crypto-friendly regulation. The excitement, however, is running ahead of the facts: the policy is not new.

A Law Already on the Books

Thailand's Cabinet approved the measure on June 17, 2025, and Ministerial Regulation No. 399 was published in the Royal Gazette on September 5, 2025, exempting qualifying personal income derived from gains on cryptocurrency and digital-token transfers from January 1, 2025, through December 31, 2029. Thailand did not suddenly introduce this policy in August 2026. The Cabinet approved it in June 2025, and Ministerial Regulation No. 399 became law that September. The latest wave of excitement began after influential crypto voices, including @cz_binance, brought the policy back into the spotlight on social media this week.

Thailand's Ministry of Finance introduced a five-year personal income tax exemption on capital gains from the disposal of cryptocurrency or digital tokens. The ministerial regulation was enacted to promote Thailand as a global financial center and digital asset business hub while encouraging increased domestic investment in digital assets.

Who Qualifies and What Is Excluded

The 0% tax rate is not universal. It applies exclusively to transactions routed through digital asset business operators licensed by Thailand's Securities and Exchange Commission (SEC), specifically licensed domestic exchanges, brokers, and dealers. Trades on unlicensed exchanges, foreign income from crypto, and any non-compliant activity will still face standard personal income tax rates, which can climb as high as 35%. Unlicensed offshore exchanges, staking rewards, mining income, and corporate profits are not automatically tax exempt.

The message is consistent: Thailand wants crypto trading, but it wants more of that activity routed through entities it can supervise. The renewed social media attention in August 2026 does not represent a new Cabinet decision or an extension beyond 2029. It is a rediscovery of a policy that has been in force for more than a year.

The five-year window gives Thailand room to build out its regulated market infrastructure. Thailand's SEC continues tightening local oversight while developing crypto ETFs, derivatives, and custody infrastructure nationwide. Because the policy was formalized through a ministerial regulation rather than parliamentary legislation, it could, in theory, be reversed with less friction. Investors planning around the exemption would do well to keep that limitation in mind.

Sources:
Thailand's 0% crypto tax raises stakes in global capital race (crypto.news)
Thailand implements 0% capital gains tax on Bitcoin and crypto for five years (Crypto Briefing)
Thailand Offers Income Tax Exemption on Cryptocurrency Capital Gains (Tilleke and Gibbins)