BlockThreat - Week 33, 2020
DoJ | OKEx | Tor | Ledger
A major victory was scored by DoJ with its large scale bust of cryptocurrency schemes used by terror groups. OKEx publishes their 51% attack incident notes, Tor network is under attack to steal crypto, and lots of interesting research articles in this week’s edition.
News
Department of Justice made announcement of the largest seizure of terrorist’s organizations’ cryptocurrency accounts. Civil complaints includes large caches of evidence and schemes used by the perpetrators including detailed analysis of blockchain activity.
Hacks
Incident Report by OKEx on the recent ETC 51% attack which resulted in 807,260 ETC to be double spent. The report includes detailed analysis of attacker’s addresses and timeline.
An ongoing Sybil attack on Tor’s exit nodes attempts to intercept and tamper with traffic to Bitcoin mixer services in order to steal cryptocurrencies.
Vulnerabilities
A flaw in Ledger hardware wallet could allow funds theft through social engineering.
Research
Play-by-play analysis of event…
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