Cryptocurrency in Divorce and Inheritance Asset Division

Korean crypto exchange user counts and trading volumes have grown to nearly match the size of the KOSPI. Crypto now stands alongside real estate and stocks, but how is it handled in divorce and inheritance property division? In my family and inheritance practice I receive more crypto-related inquiries every year. The short answer: our courts recognize crypto as having property value, but tracing and dividing it is often very hard in practice. This article maps that boundary.

This is the position our courts have consistently held. A spouse holding crypto cannot get away with arguing this is not subject to division. Bitcoin, Ethereum, Solana, and altcoins traded on exchanges are typically treated the same way.

Assets held on domestic exchanges such as Upbit and Bithumb can be traced through the following typical methods:

• Court orders requiring submission of financial and transaction information
• Requests for inquiry of facts
• Account-history and balance checks

Transactions on domestic exchanges are therefore relatively visible in property division. Real-name account linkage and the fact that the exchange falls under domestic judicial authority are decisive.

The problem area is the following two.

• Assets held on foreign exchanges such as Binance
• Assets held in cold wallets (offline electronic wallets)

Even if a court sends a request abroad, enforcement typically does not reach. If the exchange does not cooperate, confirming holdings and value is effectively blocked. Cold wallets are similar — if the other party says I do not have it, confirming existence from outside is close to impossible. Without disclosure of the seed phrase or wallet address, forcing it open from outside is typically not an option.

In the past, the main pattern of asset hiding was nominee holding. Recently, the following pattern has been observed:

• Two or three years before divorce, moving funds to another name or account
• Buying coins through a foreign exchange
• Moving the purchased coins to a cold wallet for storage

Proving whether the funds were used for coin purchase or another purpose is typically very hard. When P2P purchases bypass an exchange entirely, tracing becomes even harder.

In theory, the following are possible:

• Court requests to foreign exchanges
• Financial-information orders that follow the fund flow
• Supporting evidence from communications and emails
• Phone forensics to find traces of exchange or wallet apps
• Cross-checking with tax materials (crypto capital-gains filings, etc.)

But because cooperation from foreign exchanges cannot be compelled and cold-wallet existence is hard to verify, recovery prospects are often limited in practice. A common workaround is to gather the circumstantial evidence and feed it into the division-ratio stage.

If you only start looking at crypto when divorce or inheritance is imminent, it is often too late. During marriage, checking the following typically helps:

• Whether the spouse has accounts on domestic or foreign exchanges
• When and why funds left ordinary accounts
• Crypto-related apps and email notifications on the phone
• Name changes and patterns of cross-border remittance
• Tax filing materials such as capital-gains filings

Inheritance raises additional issues.

• Access to the deceased exchange accounts — after death, the family typically must submit a death certificate and similar documents to the exchange to obtain balance information
• Cold-wallet seed phrases — if the deceased did not organize them in advance, the family may be locked out forever
• Foreign-exchange inheritance policies — procedures and documents vary, so check at the start of the case
• Tax — duty to file inheritance tax at the valuation as of the date of inheritance

Crypto value fluctuates minute by minute, and the valuation reference date for the divisible pool is typically contested.

• Divorce cases: typically valued at the date oral argument closes
• Inheritance cases: typically valued at the date of opening of inheritance (death)
• Which exchange price to use (Korean average, global average, etc.) is decided case by case

Because the division amount can change significantly with timing, it is typically advisable to settle the valuation argument during the trial-strategy stage.

Q. Is the division ratio for crypto the same as for ordinary assets? A. Holding date, source of purchase funds, and whether the asset was formed during the marriage are weighed together. Crypto bought with marital funds during the marriage is typically treated like other marital property.

Q. Does the same problem arise in inheritance? A. Yes. Heirs may not even be able to confirm crypto that the deceased held on foreign exchanges or cold wallets. Organizing crypto storage information during the will and trust stage is typically recommended.

Q. If there is evidence of moving crypto to a cold wallet, can that be reflected in division? A. The timing of fund movement, cold-wallet use, and exchange-withdrawal records can typically be combined to assert that the assets are suspected hidden assets and to seek reflection in the ratio. The result depends on the specifics.

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Crypto is legally a divisible asset but practically a domain where traceability splits sharply by storage form. Institutional reform is urgent, but until then, organizing your own and your spouse asset flows in advance is typically the best defense. Even basic record-keeping during ordinary times typically changes case outcomes significantly.

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Written by: attorney Roh Jong-eon · Reviewed 2026-05-30

Disclaimer: This article provides general information on crypto in property division and is not legal advice for a specific case. Facts and conclusions vary by case, so for a specific matter please consult an attorney directly.