Bitcoin Gold

51% attack

Estimated loss

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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

Bitcoin Gold was 51% attacked by an unknown attacker. This type of attack allows an attacker to manipulate the blockchain ledger that records transactions. During the attack, 388,000 BTG (worth approximately US$18 million) was stolen from several cryptocurrency exchanges. After the team refused to help pay for some of the losses, Bitcoin Gold was subsequently delisted from Bittrex. Attack method (per SlowMist): 51% attack. Reported loss: 388,201 BTG.

Primary source

https://www.ccn.com/bitcoin-gold-hit-by-double-spend-attack-exchanges-lose-millions ↗

Sourced from

slowmist

Technical record