bridge hack

Harmony Horizon: $100M for Two Stolen Keys

Post author:Prabhu Kalyan Samal
Post published:June 24, 2022
Post category:Cryptography & PKI Security

A 2-of-5 multisig guarding nine figures. Lazarus took the two keys it needed, and the bridge-custody era changed for good.

Poly Network: The $611M Bridge Hack That Got Returned

Post author:Prabhu Kalyan Samal
Post published:August 25, 2021
Post category:Cryptography & PKI Security

A forged keeper-list substitution drained $611M across three chains. Then the attacker gave it all back. The bridge bug class that defined Web3's worst year.