On December 3, South Korea’s amended Foreign Exchange Transactions Act takes effect, and with it a reporting regime that gives the Bank of Korea a transaction-level view of cryptocurrency moving across the country’s borders. The change matters not because it adds new rules for exchanges—South Korea already supervises virtual asset service providers closely—but because it hands the central bank a monitoring role that sits outside the existing anti-money-laundering framework.

How the reporting works

Operators face two layered obligations. The first is a daily log: every completed cross-border inflow and outflow must be filed by 11 a.m. the following business day, with weekend and holiday transactions grouped onto the next working day. Each record has to capture the transaction’s date and time, the asset type and quantity, the won-denominated value, fees, and identifying information for both sender and recipient. The second is a monthly balance report designated FX1021, due by 5:30 p.m. on the tenth of the following month, listing each user’s month-end holdings, their won-converted balances, and the month’s cross-border totals.

The boundaries deserve a close read, because they decide who is actually inside the net. Transfers made directly between personal wallets, without passing through a domestic operator, are not reportable—a gap the manual itself acknowledges. At the same time, the balance-reporting obligation reaches further than active traders: dormant accounts, delisted virtual currencies, and assets committed to staking all remain in scope. The typical case the manual describes is the everyday one—buying bitcoin on a domestic exchange and moving it to an overseas exchange, or to a personal wallet.

A baseline that reaches back to July 2024

The most consequential design choice is retrospective. The Bank of Korea plans to build its monthly balance baseline from any user with at least one cross-border transfer on record since July 19, 2024. By that measure the pool is 1,272,878 users across the country’s five largest exchanges—a figure that reflects cumulative activity, not a single month’s flows. That reach is exactly what operators have pushed back on, and the central bank has signaled that the balance-reporting standard and scope are still under review to ease the burden on businesses.

The manual is explicitly a working draft. Its final scope is expected to be settled in November, after consultation with the Ministry of Economy and Finance and virtual-asset operators. The December 3 reporting start date, however, is fixed.

What it means in practice

For readers, the practical takeaway is that this is a foreign-exchange monitoring tool, not a new anti-money-laundering instrument. The Bank of Korea has positioned the system alongside, rather than inside, the AML and oversight framework already run by the country’s financial regulators. Transfers that users may have treated as private—moving assets from a Korean exchange to an overseas one—will now be recorded at a granularity that did not previously exist. For operators, the open question is how much of the draft’s breadth survives the November consultation.

The honest uncertainty is scope, not direction. The regime is arriving on schedule; what remains unsettled is how far the retroactive baseline will reach and whether the fields operators must file can be narrowed. Anyone watching Korean crypto should treat December 3 as fixed and the monthly-reporting details as still negotiable.

Source: BlockchainReporter.