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.
Forensic narrative
DeFi protocol Formation.Fi was attacked by flash loans. The main reason for this incident is that the project party underestimated the impact of fee on totalTokens when designing the function swapIn, and ignored the impact of decimal point accuracy between different tokens. Attack method (per SlowMist): Flash Loan Attack. Reported loss: $ 100,000.
Primary source
https://formation-fi.medium.com/greetings-formation-fi-community-supporters-investors-and-friends-b09d673cda8a ↗Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Formation.Fi
- bug_class
- flashloan
- date_occurred
- 2021-11-21
- loss_usd
- $100,000
- source_id
- sm:formation-fi::2021-11-21
Related — same bug class· flashloan