On April 29, 2026, the Korean National Tax Service finally pressed the "start button": the tax preparation work targeting virtual assets officially began. After years of debate and multiple delays, this time the response was not vague principles but a timeline that is now written in the calendar—the countdown to cryptocurrency taxation truly starts from this day.

According to current plans, from January 2027, income derived from virtual assets will officially be included in the comprehensive income tax system. The income from the transfer and rental of virtual assets will be classified as "other income," subject to a 22% tax rate, with a threshold of 2.5 million Korean won in annual income. The direct goal of this action by the National Tax Service is to prepare for the comprehensive income tax declaration season in May 2028—this will be the first time that Korean investors need to report their virtual asset income along with other comprehensive income on the same tax return.

More impactful is the scale. The National Tax Service plans to start receiving user transaction data from major domestic exchanges such as Upbit, Bithumb, and Coinone from 2027, serving as the data foundation for taxation. According to a single source estimate, this network could cover about 13.26 million associated investors or accounts (this is an estimate, not official statistics). When the influx and transactions of these platforms, which have been accumulated over the years, begin to be systematically organized, it will not be just a few "whales," but the entire footprint of retail investors and professional players in South Korea will enter the tax authorities' view.

Before this, Korea had been wrestling with whether, when, and how to utilize tax laws to regulate virtual assets for several years, repeatedly announcing delays in tax collection, leading the market to get accustomed to the expectation of "it will be postponed again." Now, the National Tax Service has chosen to rely on the current income tax law to advance taxation rather than continue to delay, meaning the focus of the debate has shifted from "to tax or not" to "how to tax, who will pay, and where the funds will go." From this day forward, the main storyline of the Korean cryptocurrency market has changed into a new game between rising compliance costs and the rebalancing of fund flow.

After multiple delays, Korea's crypto tax is finally scheduled

For the Korean market, the question of "should we tax virtual assets" has been revisited many times over the years. Since several years ago, regulatory bodies have been discussing whether to tax and how to tax, yet paused repeatedly before actually taking action—the tax collection time was announced repeatedly delayed, and the market gradually got used to waiting for yet another "let's delay it further" at each juncture.

April 29, 2026, is different. The National Tax Service did not throw out new reasons for postponement but clearly announced: the preparation work for taxing virtual assets has begun. More critically, they are not creating a brand new "crypto tax" but directly activating provisions already written into the current income tax law, formally pulling virtual assets into the existing tax system.

According to the current income tax law, the income derived from the transfer and rental of virtual assets has long been defined as "other income," subject to a 22% tax rate, with a threshold of 2.5 million Korean won. This means that the rules themselves did not appear today, but had previously been lying in the statutes and are now being truly activated and enforced.

On the timeline, the National Tax Service has also provided a clear two lines for the first time: from January 2027, income related to virtual assets will officially start being taxed; by May 2028, this portion of income will be included in comprehensive income tax declaration for the first time, reported together with other income. The dates have been concretely fixed from "sometime in the future" to "taxation in 2027, declaration in 2028," providing unprecedented policy certainty for investors and the industry.

From the perspective of the policy process, this moment marks a shift in the focus of the debate—from "to tax or not" and "will it be postponed again," to "by what criteria to tax, when to file." What has troubled the market in the past is the unresolved status of whether to tax; now, laid out on everyone's desk are measurable tax rates, thresholds, and timelines. Moving forward, each party will truly begin to recalibrate costs and benefits around these fixed numbers.

13.26 million accounts enter view: Exchange data becomes the tax basis

With the tax rates and timelines written into the calendar, the next aspect to be "quantified" is the details of deposits and withdrawals for each account. The entry point chosen by the National Tax Service is very straightforward—from 2027 onward, it will continuously receive user transaction data from several key domestic platforms such as Upbit, Bithumb, and Coinone.

This data is not merely simple transaction flows but will be parsed into two key clues: one is income from the transfer of virtual assets, and the other is rental income. According to the current income tax law, they are collectively referred to as "other income"; when subsequently integrated into the comprehensive income tax system, the historical transaction and holding records provided by exchanges will systematically enter the view of tax authorities for the first time, becoming the foundational data for calculating taxable amounts.

This means that the technical issues surrounding the taxation of virtual assets will no longer remain in the abstract discussion of "chain data being difficult to penetrate" but will enter through a relatively concentrated and controllable access point. The depth of trading in the Korean market is highly concentrated on a few top platforms, and Upbit, Bithumb, and Coinone are central nodes in this chain. Once the data linkage with the National Tax Service is completed, the tax authorities will effectively have set up a "watchtower" in the main battlefield of the domestic crypto market.

According to estimates from a single source, about 13.26 million investors or accounts will be included in this tax preparation work—this is not official statistics, but it suffices to outline a sketch: those caught up in this system reformation are not just a few high-frequency traders but represent a nearly "universally participatory" user group. For the domestic crypto ecosystem in Korea, this scale implies two things: first, the implementation of the tax system will directly affect the vast majority of local liquidity holders and providers, and second, any incentives or suppressions regarding trading behavior will be amplified over a broader range.

From the perspective of exchanges, this data linkage places them at the front end of the regulatory chain. In the past, platforms played more of a role as infrastructures facilitating transactions; now, their historical transaction records and user holding structures will become crucial inputs for the National Tax Service's calculations of "other income." This deep binding effectively locks in all historical actions "within the platform"—as long as a traceable profit has been formed on domestic platforms, theoretically, it could be revisited after 2027, entering the realm of comprehensive income reporting.

With such a connection, questions arise: as domestic top platforms become highly coupled with the tax system, where will trading behavior be forced to migrate? The market cannot help but envision several paths—some investors might preemptively adjust their holding pace on domestic platforms, shifting high volatility, high return strategies to other scenarios; others may choose to compress frequent operations into the threshold below the reporting level, trading "lower activity" for "lower visibility." Still, others might begin to split accounts between different platforms and cut strategies, hoping to carve out a buffer zone for high-risk preferences in the gaps of tax monitoring.

However, regardless of which response path is taken, domestic exchanges can no longer be viewed as "relatively anonymous experimental fields." When the back-end reports of Upbit, Bithumb, and Coinone directly connect to the National Tax Service's collection system, the foundational logic of the domestic crypto ecosystem transforms: from "who can run faster" to "who can continue to run under compliance constraints." And those 13.26 million estimated accounts will be the earliest and most directly included in the calculations during this rule reconstruction.

The 2.5 million threshold and 22% tax rate: The real burden on retail investors

Translating the numbers in the table to the gains and losses in accounts, the 2.5 million won threshold and the 22% tax rate essentially draw a visible and tangible psychological boundary line between different types of players.

For light participants, this line may always just be a string of numbers in news headlines. Many people only make a few tentative trades on major platforms over a year, with profits hovering around several hundred thousand to a million won. According to current designs, income from the transfer and rental of virtual assets is classified as "other income," and only when this part of income exceeds 2.5 million won in that year does the excess portion become subject to the 22% tax. Put in a specific scenario: office worker Xiaojin, with good luck in the year, earns 1.5 million won through a few trades, and according to current rules, he will not pay extra tax because the virtual assets have kept that income intact in his account. For similar small-scale players, the tax system plays more of a role as an "assurance threshold"—confirming that they are unlikely to be drawn into complex reporting processes.

But once crossing this line, the feeling is entirely different. Assuming another office worker, Xiaopu, earned 3.5 million won through concentrated trading in 2027, then the 1 million won exceeding the 2.5 million threshold will be taxed at 22%, meaning he has to hand over about 220,000 won to the tax bureau. On paper, he still earns less than when there was no taxation—he isn't losing money, but he clearly feels that "a part of the final profit has been taken away." For this level of retail investor, the core issue is not whether they can still make money, but rather, when year-end settlements happen, they will suddenly realize: they are not just gambling against the market; there is also a fixed percentage of "invisible partners."

Above that, there are those who treat trading as a second career or even their only source of income. Taking a full-time trader as an example, if in 2027 their virtual asset transfer income reaches 30 million won, it seems far beyond the earning level of ordinary retail investors. However, under current rules, the threshold for "other income" from virtual assets is still only 2.5 million won, meaning they must pay tax on 27.5 million won at 22%, roughly 6.05 million won. For these heavy traders, every additional 1 million won earned not only requires considering retracement risks but also setting aside 220,000 won for the tax bureau, so short-term profits psychologically no longer feel "fully disposable" but are automatically discounted by tax obligations. This will directly influence their choices around positions, frequency, and holding periods: some may reduce high-frequency small trades in favor of more reliable larger swing trades, as each successful exit adds another entry to future tax records.

What truly amplifies this sensation is the reporting method brought about by the classification of "other income." The inclusion of income from the transfer and rental of virtual assets into the comprehensive income tax system means that by the comprehensive income declaration season in May 2028, the same person will need to report their income from paychecks along with the income from virtual assets in the exchanges over the past year. This is not like regular wages being withheld monthly but instead a "reconciliation" of annual results done at a single point in time. For many, this brings a strong concentrated pressure—all bets, all fortunes good and bad, convert into a series of numbers in this one declaration, directly tied to taxable amounts.

Compared to other economic activities that can be categorized as "business income" and diluted through cost accounting, yielding a sense of "bare profit" to investors, the income derived from virtual assets classified as "other income" feels more stark: transaction fees, research investments, depreciation of equipment are hard to itemize like operating a business and write off against costs. The result is that earning 3 million in the same manner—those operating businesses can employ various cost deductions to present a lower taxable portion, while the 3 million earned from trading virtual assets during tax season comes closer to an amplified pure profit figure. This difference itself creates a psychological burden—where the more frequently one engages in short-term trading, the more habitual they might treat volatility as ordinary work, thus their effective marginal tax burden feels more "harsh" subjectively.

This point becomes particularly evident when compared to common designs in other countries featuring "capital gains" and "long-term holding benefits." Korea's decision to place virtual asset income into "other income," at an institutional level, does not provide additional rewards for long-term holding but instead raises the marginal tax burden for short-term gainers. This institutional signal will conversely shape trading behavior: some previously accustomed to realizing profits multiple times within a year might consider extending their holding periods to defer some earnings to the next fiscal year, thus avoiding an explosive spike in income for any given year; while those who already hold assets long-term will, before deciding to sell, start to calculate a "post-tax profitability" seriously, weighing the merit of crossing the 2.5 million threshold.

Thus, a simple rule—annual income thresholds of 2.5 million won, with excess subject to a 22% tax—results in three completely different stories for various players: some feel its presence almost imperceptibly, others regard it as a calculable formula before each close-out, while others will come to realize in May 2028 when facing the comprehensive declaration form for the first time that the previous year’s battle with the market has already quietly bifurcated their results.

Expectations of delays fall short: Regulatory advancement and market standoff

For that "2.5 million won, 22%" calculation formula, the real premise assumption for most is simply this: will this set of rules truly apply to them. In recent years, Korea has repeatedly discussed taxation on virtual assets, announcing multiple delays, and the market has developed a certain "inertia expectation" amidst these delays—delaying to the last moment, one could hope for yet another delay.

This time is different in that the clock is no longer stopped at the legislative level but has been placed in the hands of the executors. On April 29, 2026, the Korean National Tax Service officially announced the start of preparations for taxing virtual assets, clarifying that it will advance under current income tax law, categorizing the income from the transfer and rental of virtual assets as "other income," with taxation beginning in January 2027, leading to the first declaration season of comprehensive income tax in May 2028. The research brief also highlights this dividing line: on one side is the National Tax Service's institutional inertia "to proceed with tax collection under existing laws," and on the other side are certain market participants and political forces hoping to delay or abolish the relevant tax system altogether—these two forces encounter each other along the same timeline.

The "inertia expectations" brought about by multiple postponements fundamentally involve betting that the political process will once again intervene in the timeline. But once the initiative for advancement shifts to the National Tax Service, the logic begins to reverse: unless the law itself is rewritten, the default option for the executing agency is to proceed along the established timeline. The clear writing down of "taxation starting from January 2027, comprehensive reporting in May 2028" provides the market with a time anchor that can no longer be easily obscured, rather than the previous flexible wording of "inasmuch as implemented, adjusted depending on circumstances."

For regulatory agencies, the schedule is not merely a promise but a series of timelines for projects. According to current planning, starting from 2027, the National Tax Service will accept user transaction data from major domestic virtual asset exchanges such as Upbit, Bithumb, and Coinone as the basis for taxation; relevant data and制度 will gradually improve between 2027 and 2028, culminating in the first comprehensive income tax declaration season in May 2028. A single source estimate predicts the tax collection may involve approximately 13.26 million relevant investors or accounts—this non-official statistic at least indicates that once data connections are fully established, it will represent a colossal system that cannot quietly withdraw. As 2027 approaches, the sunk costs for this system will rise, and the political costs of "another delay" will also increase correspondingly.

However, "inertia expectations" will not vanish immediately because of an announcement. While the National Tax Service proceeds according to established laws and timeline, the market and some political forces continue to reserve their negotiation space. The research brief mentions that the latter group tends to call for postponements or the abolition of this tax system, but currently, there is no verifiable official individual statements or specific party positions available for citation—making this confrontation temporarily manifest as "anonymous pressures" present in interviews, closed discussions, and the emotions within the public opinion sphere, rather than documented in any official files.

In the next period, potential negotiation paths will roughly unfold along three lines. The first line is the most direct lobbying path: industry organizations, service providers, and large investors have the motivation to continue to seek time on legislative and policy levels, hoping to push back the formal effective dates even if they cannot completely overturn it. The second line involves pressure from public opinion and voters: as income from virtual assets is included in the comprehensive income tax system, it indicates this is no longer just a "new toy for a few," but may touch on the actual burden of millions of taxpayers—any dissatisfaction with the tax rate, threshold, and execution pace can amplify into social calls for a "re-examination"—of course, in the absence of verifiable party positions before then, this remains at the level of possibility.

The third line, also the most realistic from the National Tax Service's perspective, involves technical negotiations around execution details. Even with a large framework set, how to specifically define the boundaries of "transfer" and "rental" for virtual assets under current income tax law, how to handle consolidated calculations of cross-platform and cross-account transactions, the depth and frequency of data connections between tax authorities and exchanges, and the historical transaction records covering which time points will create gaps in practical operations. For exchanges, tax intermediaries, and individual investors, what these gaps decide may not be a life or death issue of "to tax or not" but the nuanced details of "how to tax" and "how much"—some will attempt to influence criteria through technical interfaces and reporting guidance, while others may bet on running a little longer in the rule gaps.

Thus, from April 29, 2026, onward, the Korean market has entered a new window period: the direction of policy has generally been locked in, with the starting point of January 2027, a 22% tax rate, and the comprehensive declaration form of May 2028—all written into the timeline, but the texture of execution and the intensity of landing remain fluid. The National Tax Service is steadily advancing along this timeline while the market, used to "delayed notifications," attempts to push this timeline back a little further, making it a bit more ambiguous through lobbying, public opinion, and negotiations on details. Ultimately, whether the timeline will rewrite inertia expectations or whether those inertia expectations will rewrite the timeline will have to wait until the first genuine comprehensive income tax declaration containing virtual asset items is submitted for the answer.

The window period before 2027: A reshuffle in the Korean crypto market

From the tug-of-war of multiple delays to the timeline of "taxation starts in January 2027, first declaration in May 2028" being formally locked in, the Korean virtual asset market has been forcibly pushed into a new phase centered around compliance and tax burden as core variables. The debate can continue, but the timeframe for the game has been written into the income tax system: income from the transfer and rental of virtual assets has been categorized as "other income," with a threshold set at an annual income of 2.5 million won, subject to a 22% tax rate—the fluctuations in the next stage, along with profits and losses, will all be in the backdrop of this set of rules.

Real changes will occur before the official implementation. The window period before 2027 is neither a "tax hasn’t arrived, can be ignored" vacuum nor an "all details nailed down" implementation period, but the last buffer zone for exchanges, project teams, and investors to probe boundaries and reconstruct order. Leading platforms such as Upbit, Bithumb, and Coinone must transform their user transaction data into a tax foundation that the National Tax Service can directly access over these two years; project teams need to re-think product design and market positioning under the premise of "being treated as other income, and risking heavy taxation on earnings"; individual investors must, for the first time, seriously plan their tax obligations beyond trading strategies—how to keep records, how to retain evidence, and how to explain these numbers in the comprehensive income declaration form.

Approximately 13.26 million potential taxpayers, as estimated, determines this is not a "small trial" for a specific niche but a systemic-level reform affecting the whole country. The execution details still have room for adjustments regarding reporting methods and data submission frequency, but the "big framework" has become difficult to reverse: virtual asset income will be included in the same comprehensive income report, alongside wages and interest. This means that whoever can first navigate a complete compliance process and validate technical and business solutions will have the opportunity to gain excess survival space in this new order; conversely, those continuing to bet that "another delay is possible" will expose their fate to the moment when the timeline truly takes effect.

From a global perspective, Korea is not the first country to discuss how to tax, but it is one of the few cases pushing for the strong implementation of a tax regime in a market with high penetration and activity. Korea's volume in global crypto trading makes this experiment of "official taxation starting in 2027, relying on domestic exchange data, covering tens of millions of participants" something that is no longer just an internal affair of national policy but rather a sample for regulators in other countries to repeatedly dissect: in a highly active market, when completely integrating virtual asset income into comprehensive income and imposing clear tax rates, will the market shrink, relocate, or reorganize into new forms? Will capital retreat due to tax burdens, or will it find new speed on the path of compliance? The answers will not be found in any policy document but will instead be inscribed in the tax returns submitted in May 2028 and the ensuing market data.

By that moment, expectations about "will it be postponed again" will lose their meaning; what will remain on the table are just two types of countries and two types of participants: one sees Korea as a replicable template, the other as a cautionary tale to avoid; one finishes self-restructuring before 2027, while the other is forced to hurry in response after the new tax system takes effect. And the reshuffle of the Korean virtual asset market has already quietly begun at the moment the timeline has been locked in.

Join our community to discuss and grow stronger together!
Official Telegram community: https://t.me/aicoincn
AiCoin Chinese Twitter: https://x.com/AiCoinzh
OKX Benefits group: https://aicoin.com/link/chat?cid=l61eM4owQ
Binance Benefits group: https://aicoin.com/link/chat?cid=ynr7d1P6Z

免责声明：本文章仅代表作者个人观点，不代表本平台的立场和观点。本文章仅供信息分享，不构成对任何人的任何投资建议。用户与作者之间的任何争议，与本平台无关。如网页中刊载的文章或图片涉及侵权，请提供相关的权利证明和身份证明发送邮件到support@aicoin.com，本平台相关工作人员将会进行核查。