Hack history / 2020 / Hack or exploit
Axion
Hack or exploit on Nov 2, 2020 · Infinite Mint
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$500K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,157
among thefts by dollars lost
What happened
Insider(s) injected malicious code into Axion's OpenZeppelin dependencies prior to deployment, enabling unlimited token minting via the unstake function. Attacker minted 79 billion AXN and dumped on the market, causing 99% price collapse and netting 1,300 ETH (~$500K) despite passing audits from Hacken and Certik.
Details
- Date
- Nov 2, 2020
- Kind
- Hack or exploit
- Method
- Infinite Mint
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
Cite this page
SwanBluechip, "Axion hack, Nov 2, 2020: $500K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/hta37d9f8685/ (data as of 2026-11-01).