Auto-generated score, not yet verified against the scoring model. Under review — treat as indicative, not a verdict.
anchored·51iQ2F…z6UbSummary
GDAC was a South Korean cryptocurrency exchange operated by Peertec Co., Ltd. that launched in May 2018 and was registered as a Virtual Asset Service Provider (VASP) with Korea's Financial Intelligence Unit (KoFIU). On April 9, 2023, attackers drained approximately $13–14 million from its hot wallets — representing 23% of total custodial assets — causing the exchange to permanently shut down with no compensation offered to affected users.
Connected Entities
4 entities · 60 linked investigations- Coinbase→mentioned with→Bitcoin(65%)
- GDAC→mentioned with→Coinbase(60%)
- GDAC→mentioned with→Binance(60%)
- GDAC→mentioned with→Bitcoin(60%)
Timeline(7 events)
December 2017
Peertec Co., Ltd. incorporated in Seoul, South Korea.
May 2018
GDAC cryptocurrency exchange launches.
September 2018
GDAC opens Korean Won (KRW) fiat trading market.
9 April 2023
Attackers drain approximately $13–14.2M from GDAC hot wallets at 7:00 a.m. KST, stealing ~60.8 BTC, 350.5 ETH, 10M WEMIX, and 220,000 USDT — 23% of total custodial assets.
10 April 2023
GDAC CEO Seunghwan Han publicly confirms the breach. Exchange suspends all deposits and withdrawals. KISA, KoFIU, and Korean National Police Agency are notified.
April 2023
GDAC permanently ceases operations. No compensation plan announced for affected users.
February 2025
KoFIU confirms GDAC has been removed from the South Korean VASP registry, alongside ProBit and Huobi Korea.
Decision Log
- hash: ZimCUprNozk6X9GWr38RgqXMUdiJMBEhgoqQTVtsWPB
This investigation is cryptographically anchored to the Solana blockchain (1 event). 12 of 13 cited source URLs have an Internet Archive snapshot.
model: claude-sonnet-4-6
generated: 5/4/2026, 2:54:42 AM
last updated: 8/30/2026, 1:16:31 AM
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