VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2021-06/SafeDollar_exp.sol
view forked test on github ↗Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.
Forensic narrative
The algorithmic stablecoin project SafeDollar on Polygon is suspected of being hacked, and an unconfirmed contract seems to have taken away 250,000 USD in USDC and USDT. Attack method (per SlowMist): Flash loan attack. Reported loss: $ 250,000.
Primary source
https://www.coindesk.com/markets/2021/06/28/stablecoin-safedollar-hit-by-cyberattack/ ↗Sourced from
slowmist
Technical record
- chain
- polygon
- protocol
- SafeDollar
- bug_class
- flashloan
- date_occurred
- 2021-06-28
- loss_usd
- $250,000
- source_id
- sm:safedollar::2021-06-28
Related — same bug class· flashloan