VERDICT —OUT OF SCOPE
Root cause is infrastructure (DNS / cloud / database / third-party API) compromise, not on-chain contract logic. Pre-deployment source review would not surface this; coverage lives in cloud-security + supply-chain audit, separate discipline.
▰ METHOD
INFRASTRUCTURE
INFRASTRUCTURE
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
The ZenCash encountered a 51% cyber attack or double-spend attack at around 8:26 PM on June 2nd (June 3rd 00:26 UTC). This attack resulted in the loss of Zen encrypted tokens worth approximately US $550,000. The ZenCash team responded immediately and implemented preventive mitigation measures, which greatly increased the difficulty of future cyber attacks. Attack method (per SlowMist): 51% attack. Reported loss: $ 550,000.
Sourced from
slowmist
Technical record
- chain
- —
- protocol
- ZenCash
- bug_class
- infrastructure
- date_occurred
- 2018-06-02
- loss_usd
- $550,000
- source_id
- sm:zencash::2018-06-02
Related — same bug class· infrastructure