$100M Underground Remittance Network Using Crypto, WeChat Dismantled In South Korea

bitcoinistPublished on 2026-01-20Last updated on 2026-01-20

Abstract

South Korean authorities have dismantled an underground remittance network that moved approximately $102 million (150 billion won) across borders using mobile payment apps like WeChat Pay and Alipay and cryptocurrencies. The scheme, which operated from September 2021 to June 2023, involved collecting funds from customers via the apps, converting the money into crypto abroad, and then cashing it out into South Korean bank accounts after transferring the digital assets to local wallets. To evade detection, the group disguised the transactions as payments for common services such as cosmetic surgery, study abroad fees, and trade-related costs. Three Chinese nationals have been arrested and face charges under foreign exchange laws. The case highlights the growing use of combined traditional and digital payment channels for illicit fund movements, prompting South Korea to strengthen regulations on crypto exchanges and mobile wallets.

Seoul investigators say they have disrupted a secret money-transfer network that moved roughly 150 billion won—about $102 million—into and out of South Korea using a mix of mobile payment apps and cryptocurrencies.

Reports say three people have been formally accused under the country’s foreign exchange laws after a probe that traced the scheme over several years.

How Money Moved Through Apps

According to the Korea Customs Service, the group collected money from customers using platforms like WeChat Pay and Alipay, then used those funds to buy virtual coins abroad.

Those coins were shifted into digital wallets in Korea and converted to Korean won through many bank accounts.

The pattern was basic and careful. Cash or mobile transfers arrived from overseas. Crypto purchases followed in multiple countries to avoid any one regulator seeing the full trail.

Finally, the funds were funneled into local accounts under different names. This took place over a long window, from September of 2021 until June of last year, investigators say.

Bitcoin is currently trading at $92,895. Chart: TradingView

Covering Tracks With Everyday Costs

According to reports, the ring hid the origin of money by dressing transfers up as ordinary expenses — payments for cosmetic surgery, fees for overseas study, and trade-related charges. Those labels made the flows look normal on paper and helped the group slip past routine checks.

Bank transfers were layered with small, seemingly legitimate payments. That made suspicious activity harder to spot until customs officers pieced together patterns across accounts and platforms.

At that point, the scope became clear: these were not isolated transfers but a linked series of transactions designed to wash large sums.

Image: Getty Images

What Authorities Recovered

Investigators arrested and referred three Chinese nationals for prosecution, saying the suspects handled the bulk of the scheme’s operations.

Records show almost 150 billion won was moved in the period under review. Authorities have opened cases under the foreign exchange transactions law and are seeking to trace the remaining funds.

The case underlines how easy it can be for cross-border payment tools and crypto markets to be used together.

Regulators in Korea have been tightening rules for both mobile wallets and exchanges in recent months, and courts have allowed seizures of crypto assets in criminal probes. That legal backdrop helped the customs office act when the patterns surfaced.

Featured image from Dao Insights, chart from TradingView

Related Questions

QWhat was the total amount of money moved by the underground remittance network in South Korea, and what was the equivalent in US dollars?

AThe network moved approximately 150 billion won, which is equivalent to about $102 million.

QWhich mobile payment apps and methods were used by the group to collect money from customers?

AThe group used platforms like WeChat Pay and Alipay to collect money from customers.

QHow did the group disguise the illegal money transfers to avoid detection by authorities?

AThey disguised transfers as ordinary expenses such as payments for cosmetic surgery, fees for overseas study, and trade-related charges to make them appear normal and avoid routine checks.

QWhat was the role of cryptocurrencies in this underground remittance network?

AThe group used the collected funds to buy virtual coins abroad, which were then transferred to digital wallets in South Korea and converted to Korean won through multiple bank accounts.

QHow many people were formally accused in connection with this scheme, and what nationality were the main suspects?

AThree Chinese nationals were arrested and referred for prosecution, as they handled the bulk of the scheme's operations.

Related Reads

In Jinjiang, Fujian, a Storage Super Unicorn Lies Quiet

In Fujian's Jinjiang, a city known for sportswear, lies a quiet semiconductor giant: Fujian Jinhua Integrated Circuit Co. (JHICC). Once a promising domestic DRAM manufacturer alongside Yangtze Memory and ChangXin Memory Technologies (CXMT), its journey was derailed in 2018 when the U.S. placed it on an Entity List and filed criminal charges for alleged trade secret theft. This halted production for years. A turning point came in February 2024 when a U.S. federal court found JHICC not guilty. However, it had lost crucial time. While CXMT soared to become a top-valued A-share company in 2024, JHICC, with an estimated valuation of 80 billion RMB, was just restarting. Its current output is primarily customized DDR4 chips, not the advanced DDR5/HBM demanded for AI, but it still benefits from the broader memory chip upcycle. JHICC's story is tied to Chen Zhengkun, a veteran engineer who left Micron to lead the venture. Founded in 2016 with state-backed funding, JHICC partnered with Taiwan's UMC to develop DRAM technology. Rapid progress was cut short by the U.S. actions, which Micron initiated, partly due to its heavy reliance on the Chinese market. Post-sanctions, Chen's team worked to rebuild the production line with reduced reliance on U.S. technology. According to its records, JHICC achieved small-scale production and revenue growth under immense pressure. It now focuses on the stable "niche" DRAM market (e.g., TVs, routers) with a monthly capacity of ~40,000 wafers, aiming for 60,000 by 2026. It holds over 1,000 patents but remains on the Entity List. For Jinjiang, investing in JHICC was a bold industrial leap. The local government provided unwavering financial and logistical support during the crisis, helping the company survive. JHICC has become the anchor for a growing local semiconductor cluster. Though its scale lags behind domestic peers, JHICC's persistence symbolizes a hard-won foothold in a global market long dominated by Samsung, SK Hynix, and Micron. Having missed one boom, it seeks a place in the new AI-driven memory supercycle.

marsbit16m ago

In Jinjiang, Fujian, a Storage Super Unicorn Lies Quiet

marsbit16m ago

Must-Watch Events Next Week|CLARITY Act Could Face Senate Vote; SpaceX, Circle to Report Earnings (8.3-8.9)

**Summary: Key Events and Developments to Watch (August 3-9)** The upcoming week is marked by significant financial disclosures, key legislative deadlines, and notable product updates. **Major Financial Events:** Several companies are scheduled to release their Q2 2026 earnings. American Bitcoin (ABTC) will report on August 3, followed by SpaceX and Hut 8 Mining Corp. on August 4, and Circle on August 5. Notably, a significant portion of SpaceX shares (up to 12% of total shares) will be unlocked on August 6 following their earnings release. **Key Legislative Deadline:** The U.S. Senate faces an August 7 deadline to secure 60 votes for the CLARITY Act, a bipartisan bill aiming to establish a federal regulatory framework for cryptocurrencies. The Senate may hold a full vote on the bill during the week. **Economic Data:** The U.S. July Non-Farm Payrolls report will be released on August 7, providing crucial labor market data. **Technology & Product Updates:** * **Shutdowns:** DeFi portfolio tracker Zapper and wallet app Ctrl Wallet will cease operations on August 3. * **Upgrades:** LayerZero will deprecate its v1 relayers on August 3. XRP Ledger's new version 3.3.0, featuring five new functions, is expected next week. * **AI:** Elon Musk announced that the advanced Grok 4.6 AI model is set for release around August 7. * **Bitcoin:** The BIP-110 forced signaling for a potential Bitcoin network change is scheduled to begin around August 8. **Other Notable Events:** Chinese robotics firm Unitree Tech has set its preliminary price inquiry for its IPO for August 5. South Korean exchange Upbit will delist AQT and AERGO tokens on August 3.

marsbit2h ago

Must-Watch Events Next Week|CLARITY Act Could Face Senate Vote; SpaceX, Circle to Report Earnings (8.3-8.9)

marsbit2h ago

Trading

Spot
活动图片