Hack history / 2021 / Hack or exploit
Ooki
Hack or exploit on Nov 5, 2021 · Phishing
SOURCES AGREE ON DATE AND LOSS · 4 SOURCES
Lost
$55M
dollars at the time
Returned
none listed
as the sources state it
Rank
#99
among thefts by dollars lost
What happened
On November 5, 2021 an unknown hacker sent a phishing email containing a Word document with embedded malware to a bZx protocol developer. The developer executed the malware, allowing the attacker to exfiltrate the private key used to drain $55 million across Polygon and BSC networks.
Details
- Date
- Nov 5, 2021
- Kind
- Hack or exploit
- Method
- Phishing
- How in
- Phishing and scams
- Target
- DeFi protocol
- Chains
- Polygon, BNB Chain
- Audit (rekt.news)
- unaudited
Related incidents
Ooki 2020 · Hack or exploit · $650K
Ooki 2020 · Hack or exploit · $350K
Bondly 2021 · Hack or exploit · $5.9M
8ightDAO 2021 · Hack or exploit · $1.8M
Monkey Kingdom 2021 · Hack or exploit · $1.3M
Ooki 2020 · Hack or exploit · $350K
Bondly 2021 · Hack or exploit · $5.9M
8ightDAO 2021 · Hack or exploit · $1.8M
Monkey Kingdom 2021 · Hack or exploit · $1.3M
Cite this page
SwanBluechip, "Ooki hack, Nov 5, 2021: $55M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc3b32fe594/ (data as of 2026-10-31).