BlockThreat - Week 35, 2020

ETC | Lazarus | DeFi | OpenEthereum

Never a dull week in blockchain security! ETC got 51% attacked yet again. DoJ filed a complaint targeting 280 Lazarus Group cryptocurrency accounts. Yam, Chicken, YFV, and many other DeFi projects are getting deployed with unintentional and sometimes intentional vulnerabilities.

News

• DoJ seizes 280 cryptocurrency accounts associated with Lazarus Group.

• Empire Market exit scams with ~2638 BTC ($30.2M).

• CipherTrace announces Monero tracing capabilities.

Hacks

• On August 29, 2020 ETC has suffered another 51% attack with massive 7000+ blocks getting reorged. Looking deeper into the attack, 800K ETC (~$5M USD worth) were double spent in seven transactions. This is the third such attacker in the last month, with the first two covered here and here where additional 1.26M ETC were successfully double spent.
  
  Indicators:
  
  Reorg Victims:
  0xf0624560be4f73137C0DA1a2D4905fCF29067A82 0xDBbF2416C3764c91e7F2b04386ae72A1b1a939eA 0xbEc6BDA9C054263638676A7651f11Ea968128E58 0x1405DC84dB1c199C4E64a70976719747aF8580C…