VERDICT —OUT OF SCOPE
Root cause is private-key / signer compromise — the on-chain contract behaved exactly as written. No pre-deployment source audit or bytecode review reaches the key-custody perimeter; this is operational-security territory (HSM/MPC hygiene, key rotation, hot-wallet isolation). Bytecode would show nothing wrong.
▰ METHOD
PRIVATE KEY
PRIVATE-KEY
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
Nine Chainlink node operators were subjected to so-called "spam attacks." The attackers obtained approximately 700 ETH (worth approximately $335,000 at the time) from their "hot wallets". Attack method (per SlowMist): Spam attacks. Reported loss: 700 ETH.
Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Chainlink
- bug_class
- private-key
- date_occurred
- 2020-09-04
- loss_usd
- —
- source_id
- sm:chainlink::2020-09-04
Related — same bug class· private-key