# Upbit Loses $36m in Solana Hack

> Upbit lost $36m in a Solana hack experts say only North Korea's Lazarus could pull off.
- Title: Upbit Loses $36m in Solana Hack · Startup Fortune | Shortify
- Summary: Upbit lost $36m in a Solana hack experts say only North Korea's Lazarus could pull off. Upbit lost $36 million in a Solana hack that experts say only North…
- Keywords: upbit, solana, lazarus group, north korea, crypto exchange, private key breach, solana exchange hack, startups, business, Loses, 36m, Hack
- Source: Startup Fortune — https://startupfortune.com/upbit-loses-36-million-in-a-solana-hack-experts-say-only-lazarus-could-pull-off
- Published: 2026-10-18T18:51:52+00:00
- Read time: 1 min
- Topics: upbit, solana, lazarus group, north korea, crypto exchange, private key breach, solana exchange hack, startups, business
## Upbit Loses $36m in Solana Hack
South Korea's biggest exchange lost $30 million in minutes as hackers drained a Solana hot wallet.
## Attack Used Cryptographic Flaw
Hackers exploited a signing process flaw to reverse-engineer private keys from public transaction data.
## Experts Say Only Lazarus Could Do It
CryptoQuant CEO Ki Young Ju says only North Korea's Lazarus Group could execute this kind of attack.

> almost impossible for an ordinary hacker to execute
## South Korean Authorities Suspect Lazarus
South Korean police now suspect North Korea's Lazarus Group was behind the breach.
## Upbit's Previous Breach in 2019
Upbit lost 342,000 ETH in a 2019 breach also attributed to North Korea's Lazarus Group.

> 342,000 ETH
## Upbit's Response
Upbit froze wallets, moved assets to cold storage, and will cover customer losses from reserves.
## Lazarus Linked to Multiple Attacks
North Korean hackers have stolen over $1 billion in crypto in 2026 through multiple exchange breaches.

> over $1 billion in crypto in 2026
## Key takeaway

Upbit lost $36 million in a Solana hack that experts say only North Korea's Lazarus Group could have executed.