VERDICT —OUT OF SCOPE
Root cause is phishing — victims signed malicious transactions or approvals off-protocol. Contract logic was not the failure surface; user-side wallet hygiene was. Pre-deployment audit cannot catch this class.
▰ METHOD
PHISHING
PHISHING
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
A hacking organization in Ukraine has stolen cryptocurrencies worth more than $50 million from the Blockchain.info by purchasing keyword advertisements related to cryptocurrencies in the Google search engine and masquerading as malicious websites of legitimate websites. Attack method (per SlowMist): Phishing attack. Reported loss: $ 50,000,000.
Sourced from
slowmist
Technical record
- chain
- —
- protocol
- Blockchain.info
- bug_class
- phishing
- date_occurred
- 2018-02-19
- loss_usd
- $50,000,000
- source_id
- sm:blockchain-info::2018-02-19
Related — same bug class· phishing