Hack history / 2023 / Hack or exploit
Orion Pools
Hack or exploit on Feb 2, 2023 · Reentrancy
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 5 SOURCES
Lost
$3M
dollars at the time
Returned
none listed
as the sources state it
Rank
#595
among thefts by dollars lost
What happened
On February 2, 2023, Orion Protocol on BSC and Ethereum was exploited via reentrancy in swapThroughOrionPool. Attacker created a fake token (ATK) and used reentrancy to hijack deposit logic, extracting $3M.
Details
- Date
- Feb 2, 2023
- Kind
- Hack or exploit
- Method
- Reentrancy
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- BNB Chain, Ethereum
- Audit (rekt.news)
- unaudited
Related incidents
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Blend Pools V2 2026 · Hack or exploit · $10.2M
Orion Protocol 2024 · Hack or exploit · $645K
NFT Trader 2023 · Hack or exploit · $3M
Arena SocialFi 2023 · Hack or exploit · $3M
Blend Pools V2 2026 · Hack or exploit · $10.2M
Orion Protocol 2024 · Hack or exploit · $645K
NFT Trader 2023 · Hack or exploit · $3M
Arena SocialFi 2023 · Hack or exploit · $3M
Cite this page
SwanBluechip, "Orion Pools hack, Feb 2, 2023: $3M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht1165960ad2/ (data as of 2026-11-01).