Feathercoin

51% attack

Estimated loss

$63.8K

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

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

On June 8, Feathercoin was attacked by 51%. Before the attack, Feathercoin's total computing power was 0.2GH/s, and during the time of the attack, the computing power doubled 7 times to 1.5GH/s. Thirty-one hours later, an investigation revealed that the attacker took away 580,000 Feathercoin through a double-spending attack on the exchange, at a current price of $63,800. Attack method (per SlowMist): 51% attack. Reported loss: $ 63,800.

Primary source

https://www.coindesk.com/feathercoin-hit-by-massive-attack ↗

Sourced from

slowmist

Technical record