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For Korean-resident individuals, South Korea’s virtual-asset income-tax rules are scheduled to apply to covered transfers and lending from January 1, 2027. The National Tax Service (NTS) currently describes a separate 20% tax, a 2.5 million won annual basic deduction, and annual netting of gains and losses, with filing from May 1 through May 31 of the following year. Staking, airdrops, gifts and losses need separate treatment: some are reporting categories, while their final tax timing or valuation is not fully settled in the official material currently available.
When does crypto tax start in South Korea?
The scheduled start date for the NTS virtual-asset income-tax regime is January 1, 2027. It applies to covered virtual-asset transfers—including sales and exchanges—and to lending transactions made from that date. The NTS says the regime was postponed by two years under a December 2024 amendment to the Income Tax Act.
The rule is aimed at Korean resident individuals and treats the covered amount as separately taxed other income, rather than combining it with ordinary salary or business income. The implementation date and subordinate rules can still change, so use the NTS’s latest guidance when preparing a return.
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How are crypto gains calculated in South Korea?
The NTS’s current calculation is:
(Consideration received − necessary expenses − annual basic deduction) × 20%
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“Consideration” is the amount received for a sale, exchange or lending transaction. Necessary expenses generally include the acquisition price and incidental acquisition or disposal costs, such as trading fees. The annual basic deduction is currently 2.5 million won.
| Item | Current NTS description |
|---|---|
| Taxpayer scope | Korean resident individuals, for covered transactions |
| Covered transactions | Virtual-asset sales, exchanges and lending |
| Tax category | Separately taxed other income |
| Rate | 20% |
| Annual basic deduction | 2.5 million won |
| Acquisition-cost method | Total-average-cost method for Korean residents |
| Filing period | May 1–May 31 of the following year |
Illustrative calculation
Suppose your covered transactions during one year produce 10 million won of proceeds, with a total-average acquisition cost of 6 million won and 200,000 won of qualifying fees. The preliminary net amount is 3.8 million won. After the 2.5 million won annual deduction, 1.3 million won remains; at 20%, the illustrative tax is 260,000 won. This example assumes the stated costs are documented and does not address any other transaction or valuation issue.
Annual netting and filing
The NTS says gains and losses for the relevant year are netted and reported as separately taxed other income during the following year’s comprehensive-income-tax filing period, May 1 through May 31. Keep a transaction-level reconciliation so every sale, exchange disposal, exchange acquisition, lending event and fee can be traced to the annual result.
The official material reviewed does not establish whether an unused net loss can be carried into a later tax year. Do not assume that a loss automatically expires, carries forward, or offsets salary, rental or business income unless a current statute or NTS instruction specifically confirms it.
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How are pre-2027 crypto holdings treated?
For virtual assets already held before January 1, 2027, the NTS describes a transitional basis rule: the acquisition cost is the greater of the actual acquisition cost and the market value on December 31, 2026, calculated under the statutory valuation rules.
This makes the year-end record important even if you do not sell until a later year. Preserve original purchase evidence, exchange statements, wallet histories, fees and the evidence supporting the December 31, 2026 market value. An exchange’s live display price by itself may not prove the statutory value used for the transition.
Can I deduct crypto losses in Korea?
Within the NTS calculation described above, gains and losses in the same relevant year are aggregated. A loss on one token or transaction can therefore affect the year’s net virtual-asset result when combined with gains from other covered transactions.
This is not the same as a general capital-loss system. The available NTS material does not answer whether an unused loss may be carried forward to a later year, nor does it authorize using a virtual-asset loss against unrelated categories of income. Keep complete evidence for both profitable and unprofitable trades:
- Purchase date, time, quantity and price.
- Sale or exchange date, time, quantity and proceeds.
- Acquisition and disposal fees.
- Exchange statements and exported trade files.
- Wallet addresses, transaction hashes and transfer records.
- Valuation evidence when a transaction was not denominated in Korean won.
If a loss is large, spans several exchanges or involves tokens whose acquisition cost is difficult to reconstruct, obtain advice based on the applicable year’s law rather than relying on a generic overseas capital-gains rule.
Do I pay tax on staking rewards in Korea?
The NTS virtual-asset transaction-data form expressly places staking under an “other acquisition” category. The same category includes hard forks and airdrops. The form asks for acquisition cost and acquisition-time fees, together with the payer or counterparty and the virtual-asset address where applicable.
That reporting category is important evidence that staking receipts must be tracked as acquisition events. It is not, by itself, a definitive ruling that the token’s market value is immediately taxable as income when credited. The official material currently available does not settle whether the tax point is receipt, later sale, lending, protocol release, validator compensation or another event, and it does not prescribe a universal valuation method.
Records to keep for staking
- Exact receipt timestamp and token quantity.
- Protocol, validator, exchange or wallet that credited the reward.
- Transaction hash and receiving address.
- Payer or counterparty information, when shown.
- Contemporaneous value evidence and any fee charged at receipt.
- Lock-up, vesting or release terms.
- Later transfer, exchange, lending or sale details.
Keep the original export or statement, not only a spreadsheet total. The fields above are practical controls derived from the NTS form; whether every field is mandatory for a particular personal transaction depends on the final rules and the facts.
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Are crypto airdrops taxable in South Korea?
Airdrops also appear in the NTS form’s “other acquisition” category, alongside staking and hard forks. Record the receipt even when you did not pay for the tokens and no Korean won changed hands.
The form does not resolve the central tax questions: whether receipt itself creates taxable income, how to value a token with no reliable market, or whether taxation is deferred until a sale, exchange, lending event or other disposal. Do not apply a blanket “all airdrops are taxable immediately” or “airdrops are always tax-free” rule from the form alone.
Airdrop documentation checklist
- Announcement, eligibility rule or distribution notice.
- Date and time the tokens became controllable by you.
- Quantity, token contract or network and receiving address.
- Transaction hash and source or payer, if identifiable.
- Market-price evidence at the relevant time, or evidence that no dependable market existed.
- Any claim, gas or platform fee.
- Subsequent sale, exchange, lending or transfer records.
Do I pay gift tax when I give cryptocurrency to family?
A crypto transfer intended as a gift should not automatically be treated as an investment sale or ignored because no Korean won was paid. Invest Korea identifies gift tax for Korean residents as a relevant Korean virtual-asset tax category.
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The currently available material does not provide a complete, current table of gift-tax exemptions, relationship-specific thresholds, aggregation periods, filing deadlines or every valuation rule for cryptocurrency. Do not publish or rely on a precise “tax-free up to X won” figure without a current National Tax Service or Inheritance and Gift Tax Act source.
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What to document for a family gift
- Donor and recipient identities and Korean residency status.
- Date, time, token, quantity and wallet addresses.
- Written purpose or gift explanation.
- Value evidence at the gift date and the method used to determine it.
- Relationship between donor and recipient.
- Earlier gifts that may matter under an applicable aggregation period.
- Recipient’s later sale, exchange, lending or transfer.
Large family transfers, gifts involving a non-resident, and gifts of thinly traded tokens warrant advice from a Korean tax professional before the transfer is made.
How are wallet transfers classified?
The NTS transaction-data form distinguishes a sale, purchase, exchange disposal, exchange acquisition, lending income, transfer to another wallet, outside deposit or inbound transfer, and other acquisition. A movement between your own wallets is therefore a recordable event that must be reconciled, even though the form’s categories alone do not establish that every internal transfer is a taxable disposal.
Label each movement by its economic purpose. A self-transfer, a deposit from an exchange, a payment to another person, a gift and a sale can look identical on-chain but have different tax consequences and evidence requirements.
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Build one ledger covering every exchange account and self-custody wallet. At minimum, retain:
- Date and time in the source system’s time zone, plus a normalized time zone for your ledger.
- Asset, network, quantity and transaction ID or hash.
- Sending and receiving wallet addresses.
- Exchange order details, counterparties or payers where known.
- Korean-won value or other contemporaneous valuation evidence.
- Acquisition basis and the total-average-cost calculation.
- Trading, network, withdrawal and other incidental fees.
- Purpose: sale, exchange, lending, self-transfer, gift, staking, airdrop, hard fork or outside deposit.
- For gifts, donor-recipient relationship and purpose.
- For pre-2027 assets, original acquisition records and December 31, 2026 valuation evidence.
Download statements in their original format and preserve a reconciliation showing how deposits, withdrawals and wallet balances connect. Do not rely on a tax-app summary that cannot be traced back to the underlying transaction.
Quick Recap
Filing workflow for the scheduled regime
- Separate the years. Keep pre-2027 holdings and transactions from the records for transactions made on or after January 1, 2027.
- Classify every event. Mark sales, exchanges, lending, gifts, staking, airdrops, hard forks, self-transfers and inbound deposits separately.
- Calculate basis. Apply the total-average-cost method for Korean residents and attach acquisition and disposal fees.
- Net the year. Aggregate the covered gains and losses for the relevant year, while keeping unresolved carryforward questions separate.
- Apply the annual deduction. Use the NTS amount in force for that filing year; the current 2026 guidance describes 2.5 million won.
- File in the following May. The NTS currently identifies May 1–May 31 as the filing period for the preceding year’s separately taxed other income.
- Retain support. Keep statements, hashes, valuation evidence and explanations for unusual events in case the classification or basis is questioned.
Event-by-event decision table
| Event | What is established | What remains uncertain or requires care | Core records |
|---|---|---|---|
| Sale | Covered transfer from January 1, 2027; proceeds less expenses and deduction enter the NTS calculation. | Correct basis and fee allocation. | Order, proceeds, basis, fees and hash. |
| Exchange | Disposal and acquisition are separate categories on the NTS form. | Track both sides and valuation if no Korean-won price exists. | Both order legs, quantities, prices and fees. |
| Lending | Lending is expressly covered in the scheduled regime. | Contract terms and valuation of non-cash consideration. | Agreement, dates, collateral, payments and fees. |
| Staking | Listed as “other acquisition” on the official form. | Immediate tax point and valuation are not settled by that form. | Receipt, source, quantity, value evidence and later disposal. |
| Airdrop or hard fork | Listed as “other acquisition.” | Receipt taxation and valuation remain unresolved in the cited material. | Distribution notice, timestamp, quantity, hash and value evidence. |
| Gift | Gift tax is a relevant category for Korean residents. | Exemptions, thresholds, aggregation and valuation need current authority. | Parties, relationship, purpose, date, value and addresses. |
| Self-wallet transfer | Distinguished on the transaction-data form. | Do not confuse a self-transfer with a sale, gift or outside deposit. | Both addresses, ownership evidence and transfer purpose. |
Key takeaways
- The scheduled start date for covered transfers and lending is January 1, 2027.
- The NTS currently describes a 20% rate and a 2.5 million won annual basic deduction.
- Annual gains and losses are netted, but the available official material does not establish loss carryforwards.
- Staking, airdrops and hard forks must be tracked as acquisition categories, without assuming a universal immediate-tax rule.
- A crypto gift to family needs separate gift-tax analysis; the absence of a cash payment does not settle the issue.
- For pre-2027 holdings, preserve evidence for both actual cost and the December 31, 2026 market-value transition rule.
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