In early 2018, the Financial Supervisory Service (FSS) of South Korea released data revealing a dramatic surge in cryptocurrency exchange deposits throughout 2017. According to the report, as of December 12, 2017, total deposits held by crypto exchanges reached 2.067 trillion South Korean won—approximately 19.5 billion USD. This marked a staggering 64-fold increase compared to the same period in 2016, when deposits stood at just 32.2 billion won (around 300 million USD).
To put this growth into perspective, back in 2014 and 2015, the combined deposit volumes were only 2.5 billion won (~2.35 million USD) and 9 billion won (~8.46 million USD), respectively. The exponential rise highlights how rapidly digital assets gained mainstream traction in South Korea during that pivotal year.
Breakdown of Banking Infrastructure Used by Exchanges
The FSS data also provided insight into the banking infrastructure supporting these exchanges. Approximately 1.4 trillion won was deposited through state-owned banks, primarily the Industrial Bank of Korea (IBK), while commercial banks handled around 743 billion won in crypto-related deposits.
Despite the larger volume flowing through public institutions, most South Korean cryptocurrency platforms rely on commercial banking partners for their operations. For example:
- Bithumb uses NongHyup Bank and Shinhan Bank
- Coinone is linked with NongHyup Bank
- Korbit operates through Shinhan Bank
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Interestingly, some newer entrants opted for state-backed financial channels. Upbit, one of the fastest-growing platforms at the time, leveraged IBK’s virtual account system—a key factor behind the high deposit volume recorded at public banks. Launched with support from Kakao Corp, the tech giant behind Korea’s dominant messaging app KakaoTalk, Upbit quickly rose to prominence and became the exchange with the highest reported 24-hour trading volume among domestic platforms.
Regulatory Concerns Amid Rapid Market Expansion
The explosive growth did not go unnoticed by policymakers. Lawmakers and financial regulators expressed growing concern over what they described as excessive speculation in the cryptocurrency market. Democratic Party representative Park Young-jin, who has been vocal on financial regulation, warned that unchecked investment enthusiasm could lead to over-leveraging and significant asset losses for retail investors.
In August 2017—coinciding with the peak of Upbit’s expansion—Rep. Park proposed an amendment to South Korea’s Electronic Financial Transaction Act, aiming to establish a formal regulatory framework for cryptocurrencies like Bitcoin. The proposal sought to introduce licensing requirements, enhance anti-money laundering (AML) compliance, and improve investor protection mechanisms.
Although the bill was not adopted at the time, it signaled the beginning of a broader push toward oversight. Since then, both the National Assembly and financial authorities have intensified efforts to monitor exchange activities, enforce Know Your Customer (KYC) rules, and prevent illicit use of digital assets.
Why South Korea Became a Crypto Hotspot in 2017
Several factors contributed to South Korea's emergence as a global crypto hub during this period:
- High Internet Penetration & Tech-Savvy Population: With one of the world’s fastest internet speeds and widespread smartphone adoption, Koreans were well-positioned to adopt new financial technologies quickly.
- Strong Retail Investor Participation: Unlike markets dominated by institutional players, Korea saw massive engagement from individual traders eager to capitalize on price volatility.
- Local Exchange Innovation: Platforms like Upbit and Bithumb introduced user-friendly interfaces, robust security measures, and seamless KRW pairing, making it easy for locals to enter the market.
- Media Hype & Social Influence: Widespread media coverage and social buzz around “Bitcoin millionaires” fueled FOMO (fear of missing out), further accelerating adoption.
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The Aftermath: From Boom to Regulation
While 2017 was a landmark year for crypto adoption in South Korea, it also set the stage for increased scrutiny. By early 2018, concerns about money laundering, tax evasion, and market manipulation led the government to consider banning anonymous crypto trading—a move that sent shockwaves through the market.
Eventually, instead of an outright ban, regulators implemented stricter KYC protocols, required real-name bank accounts for deposits and withdrawals, and began taxing capital gains on crypto transactions.
These changes tempered speculative trading but helped legitimize the industry. Today, South Korea remains one of Asia’s most active crypto markets, with regulated exchanges operating under clear guidelines and growing interest in blockchain-based applications beyond pure speculation.
Frequently Asked Questions (FAQ)
Q: What caused the 64x increase in crypto deposits in South Korea in 2017?
A: The surge was driven by rising public interest in Bitcoin and altcoins, increased accessibility via local exchanges like Upbit and Bithumb, strong retail participation, and favorable digital infrastructure.
Q: Which bank did Upbit use for its operations?
A: Upbit utilized virtual accounts provided by the Industrial Bank of Korea (IBK), a state-owned institution, which contributed significantly to the high deposit volume recorded in public banks.
Q: Were there any regulatory responses following the 2017 boom?
A: Yes. Lawmakers proposed new legislation to regulate crypto trading, and financial authorities introduced KYC/AML rules, real-name account requirements, and plans for capital gains taxation.
Q: Is cryptocurrency trading legal in South Korea today?
A: Yes, it is legal and regulated. Exchanges must comply with strict anti-money laundering standards and register with financial authorities.
Q: How did public sentiment influence crypto adoption in 2017?
A: Media stories about rapid wealth creation from crypto investments created widespread FOMO, encouraging many individuals—from students to professionals—to invest heavily.
Q: What role did Kakao play in Upbit's success?
A: Kakao Corp, developer of the popular KakaoTalk app, backed Upbit’s launch, providing technological resources and massive user reach that accelerated platform adoption.
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Final Thoughts
The 64-fold surge in cryptocurrency exchange deposits in South Korea during 2017 was more than just a financial anomaly—it was a cultural and technological shift. It reflected growing confidence in blockchain technology, changing attitudes toward decentralized finance, and the power of retail-driven markets.
While speculation played a major role, the aftermath led to meaningful regulatory progress that continues to shape the country’s approach to digital assets. As global interest in cryptocurrencies evolves, South Korea’s experience serves as a valuable case study in balancing innovation with investor protection.
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