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Mixin Network

Hacked

Infrastructure · $XIN · born 2017 · ✝ 2023

A cloud database breach cost a cross-chain network ~$200M.

Mixin Network was a cross-chain transfer protocol popular in Asia. In September 2023 attackers breached the cloud service database that held key infrastructure, stealing roughly $200M in user assets — one of the largest hacks of the year.

Peak
~$200M stolen
Cause
Hacked
Year of death
2023

☠️ Cause of death

Critical infrastructure depended on a third-party cloud database that was compromised, exposing the assets it secured. Mixin suspended deposits and withdrawals and pledged partial reimbursement.

📓 Lessons left behind

  • Your security is only as strong as your weakest cloud dependency.
  • Centralized databases under a decentralized brand are a soft target.
  • Concentrated infrastructure means concentrated blast radius.

🌱 The idea that survived

Defense-in-depth key management

The breach reinforced isolating signing material from application databases and treating cloud infra as hostile by default.

#infrastructure#database#cross-chain#exploit