Startup Failures in South Korea

Built for Korean semiconductor supply chains — then US export controls rewrote the rules every 6 months.

Kakao's brokerage arm sank under insider trading scandal and regulatory wrath.

South Korea's bargain pioneer couldn't compete in the age of Coupang's juggernaut.

Korea's B2B delivery giant collapsed when driver costs exploded and Series D investors vanished.

A dungeon crawler dragged into real-world legal dungeons by its former employer.

The algorithmic stablecoin that wiped $40B from crypto markets in 72 hours

Korea's car-sharing king IPO'd at the worst moment and lost two-thirds of its value in 90 days.

The 19.5% APY DeFi protocol that built the house of cards that brought down Terra and $40B in user wealth

The algorithmic stablecoin that destroyed $40 billion in value in 72 hours.

The Terra-based synthetic stock protocol lost $90M to an oracle exploit then died with Luna

$60 billion evaporated in seventy-two hours when an algorithmic stablecoin's peg broke—and its founder allegedly knew it could.

Korea's super-app darling built a brokerage too fast and nearly took down the whole empire.

Korea's biggest blockchain game token lost 80% in 48 hours after lying about token supply.

South Korean algorithmic stablecoin erased ~$40B in 72 hours in May 2022—the largest single crypto collapse in history and the trigger for a global contagion wave.

A pet social network that KakaoTalk demolished in eight months with a single feature update.

The unofficial Netflix Squid Game crypto went from $0.01 to $2,861 in days then the developers pulled $3.4M and vanished

Korea's bank-backed neobank crushed between two ecosystem giants.

South Korea's Uber-killer was itself killed by a law named after it.

COVID killed what four years of esports couldn't — Nexon's flagship venue.

A $50M bet on Western mobile gaming returned nothing but a failed acquisition spree.

$299, 24-hour battery, required a Samsung phone — returned by 30% of buyers.

South Korea's Facebook — 27 million Korean users — tried to conquer America. Zero Americans wanted it.

South Korea AI competing against NAVER HyperClova (300B Korean-language parameters), Kakao AI, Samsung AI team of 2,000, and LG AI Research

South Korea's original flash-sale pioneer — a decade of decline ending in payment collapse

South Korean crypto yield platform promising 10 percent annual returns by deploying customer assets through algorithmic trading strategies

South Korea's neobank competing against a bank owned by the country's most used app

South Korea's third neobank attempt in a market where KakaoBank and Toss already won

South Korea audio social platform that raised $15M and operated across 40 countries before live audio became a graveyard as Clubhouse hype died and Spotify Greenroom failed.

South Korea fintech: Kakao Pay (40M+), Toss (18M+, $7.4B valuation), and Naver Pay (20M+) combined held 78M+ users in a 52M population

South Korea's enterprise AI that Samsung, LG, and SK's IT subsidiaries outchanneled before it could build brand

Korean synthetic data startup made obsolete by the LLM era before Series A closed

South Korea's NLP startup outresourced by the conglomerates that own the Korean internet