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South Korea&#x27;s financial regulator is cracking down on automated crypto trading. The reason? API-based activity now accounts for roughly 30% of the country&#x27;s trading volume.
The Financial Supervisory Service has identified widespread manipulation tactics. Spoofing and fake liquidity top the list. The agency plans to investigate accounts showing abnormal trading patterns. It&#x27;s part of a broader effort to police digital-asset markets.
Local media reports show the FSS has documented abusive strategies. Traders are exploiting high-frequency trading tools. They&#x27;re using application programming interfaces—APIs that let bots execute automated orders at speeds impossible for humans. The goal? Create the illusion of market activity.
Specific cases tell the story. Market participants place repeated small orders worth just 5,000 to 10,000 won. It simulates demand. Then they offload holdings as retail investors buy in. Others systematically raise bid prices to push assets toward predetermined levels.
The regulator also flagged spoofed orders. They&#x27;re canceled before execution. Coordinated activity across multiple accounts is another red flag. Both are classic hallmarks of market manipulation.
These tactics distort price discovery. Less sophisticated traders get left at a disadvantage. The FSS is warning investors against using high-frequency trading code downloaded from the internet. Don&#x27;t use what you don&#x27;t understand.
The agency also cautioned against chasing coins that spike suddenly. No clear fundamental reasons? Don&#x27;t chase.
The FSS plans targeted investigations into accounts exhibiting &quot;excessive or abnormal&quot; API trading behavior. The crackdown is part of a broader regulatory push. Exchanges now face tighter operational requirements. Five-minute reconciliation of ledgers. Stricter controls on withdrawal-delay exemptions. Recent scam losses forced the change.
Enforcement is moving faster than formal rulemaking. A recent court decision overturned a partial suspension of Upbit. It&#x27;s one of South Korea&#x27;s largest exchanges. The ruling highlighted legal gray areas. Regulators are still building out a comprehensive framework for the crypto industry.
There&#x27;s tension between aggressive supervision and still-evolving statutes. It underscores the challenge facing authorities. They&#x27;re trying to protect retail participants without stifling market development.
The scrutiny reflects growing concern worldwide. Sophisticated algorithmic traders can exploit structural advantages in lightly regulated crypto markets. South Korea continues refining its approach. The FSS probe into API trading offers a glimpse. Regulators are adapting traditional anti-manipulation tools to a new asset class.

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South Korea's FSS targets automated crypto trading as API bots now drive 30% of volume. Regulators investigate spoofing and market manipulation tactics.