Every Rule That Changed, and What Lands Next

South Korea rewrote its crypto rulebook this month, and most of the English coverage has the dates wrong. Two separate measures are being reported as one. Here is the accurate state of play — what already binds you, and what is still coming.

The short version

Since 20 August 2026, a Korean exchange will only send crypto to a self-hosted wallet if the sender and the recipient are the same person. Not a verified counterparty. Not a KYC’d friend. The same person.

The measure everyone is calling the “zero-threshold Travel Rule” is a different rule on a different clock. It does not take effect until around 20 February 2027. Today the KRW 1,000,000 threshold still applies.

Separately, Korea’s long-delayed 22% tax on virtual asset gains is scheduled for 1 January 2027, which makes 31 December 2026 a hard cost-basis snapshot date for anyone holding assets on a Korean exchange.

Regulatory timeline at a glance

What changed on 20 August 2026

Korea’s amended Act on Reporting and Using Specified Financial Transaction Information — the FTRA — and its Enforcement Decree came into force on 20 August. The Cabinet had signed off on the Decree nine days earlier, on 11 August.

The self-hosted wallet rule

A transfer between a Korean VASP and a personal wallet is permitted only where the originator and the beneficiary are the same person. In practice a Korean retail holder can no longer send USDT to a friend’s wallet, to a family member’s wallet, or to any address they cannot demonstrate ownership of.

This is the detail almost every English write-up has missed. Several widely used jurisdiction guides still tell readers that Korea has no self-hosted wallet requirements at all — true until this month, and now the exact opposite of the position.

Risk tiering

Transfers to anything other than a low-risk overseas VASP are treated as high risk. That brings enhanced due diligence, transfer caps, and enhanced suspicious transaction reporting. Transfers of KRW 10,000,000 or more to foreign platforms or personal wallets additionally trigger the exchange’s own STR monitoring.

VASP registration

Entry standards for virtual asset service providers were tightened in the same instrument. Existing operators face a higher bar at renewal.

What has not changed yet

The removal of the KRW 1,000,000 Travel Rule threshold is the measure generating headlines, and it is the one most often reported as already live. It is not.

Cabinet approved it on 11 August 2026. It commences roughly six months after promulgation, which puts it around 20 February 2027. Until then, transfers between Korean VASPs below KRW 1,000,000 continue to operate as before.

If you are building compliance workflows from English secondary reporting, this is the distinction to verify against the primary source. Korea’s Financial Services Commission and Financial Intelligence Unit publish English releases at https://www.fsc.go.kr/eng/pr010101, though the Korean originals carry detail the English summaries leave out.

The 2027 tax deadline nobody is explaining

Korea’s virtual asset gains tax has been postponed four times: from 2022, to 2023, to 2025, and most recently to 1 January 2027 under a December 2024 amendment to the Income Tax Act. The Ministry of Economy and Finance’s 2026 tax reform proposal, confirmed on 3 August 2026, did not add a further delay.

The headline numbers:

• Rate: 22% — 20% national income tax plus a 2% local surtax. Most English coverage quotes only the 20%.

• Annual deduction: KRW 2,500,000.

• First filing: May 2028, covering 2027 gains.

The part that matters operationally: for assets acquired before 1 January 2027, the acquisition cost is the higher of the actual purchase price or the market value on 31 December 2026. That makes the last day of 2026 a mandatory snapshot for every Korean holder, and it is worth understanding well before December arrives.

What this does to the kimchi premium

The kimchi premium — the spread between Korean won prices and global dollar prices — peaked above 54% in January 2018. It now oscillates near zero and has spent long stretches of 2025 and 2026 in negative territory.

The usual explanation is Korean retail demand. That is only half right. Price gaps appear in every market; what makes them persist is the difficulty of closing them. Korean capital controls mean converting won and moving it offshore involves documentation and limits, which is fatal to an arbitrage strategy that depends on fast capital rotation. The premium is better read as an indicator of capital mobility friction than of enthusiasm.

Which is why the 20 August rule matters here too. Stablecoins had become the practical route for moving value out without a won remittance. Restricting self-hosted wallet transfers to self-owned addresses narrows that route considerably. If the spread widens again, the individual traders who used to close it will find it harder to do so.

One caution when citing a number. Most published kimchi premium figures do not state their method. The calculation is simply:

((local KRW price ÷ USD/KRW rate) ÷ global USD price − 1) × 100

But the result moves depending on which exchanges and which FX rate you use. Sources that publish the formula alongside the figure — such as this live kimchi premium tracker — are the ones you can actually verify.

What this means if you are not in Korea

Three practical takeaways for investors and operators outside Korea.

Korean arbitrage is materially harder. Strategies that relied on individuals moving assets between Korean and offshore venues now hit an ownership-proof requirement at the withdrawal step.

Your compliance vendor may be giving you stale guidance. Several widely used jurisdiction guides have not been revised since 2022 and still describe Korea as having no self-hosted wallet rules. Check the date stamp on anything you rely on.

Korea is now a policy bellwether. It is the first G20 market to restrict retail transfers to third-party self-hosted wallets at this level. FATF members watching the implementation will draw conclusions from how it goes.

Frequently asked questions

Can I still withdraw crypto from a Korean exchange to my own wallet?

Yes, provided you can demonstrate the wallet is yours. Procedures and supported wallets differ by exchange, so check your exchange’s notice before attempting a withdrawal.

Is the zero-threshold Travel Rule in effect in Korea?

No. It was approved on 11 August 2026 and commences around 20 February 2027. The KRW 1,000,000 threshold applies until then.

What is the kimchi premium?

The percentage by which crypto prices on Korean won markets exceed global dollar prices. It reached roughly 54% in January 2018 and now trades near zero, sometimes negative.

When does Korea’s crypto tax start?

1 January 2027, at 22% on annual gains above a KRW 2,500,000 deduction, with the first returns filed in May 2028.

Sources and further reading

Primary documents are published by Korea’s Financial Services Commission and Korea Financial Intelligence Unit. For ongoing English coverage of Korean rule changes as they land, Tegong maintains a running summary, including a detailed breakdown of the Korea travel rule and its commencement dates.