Harmony Horizon: $100M for Two Stolen Keys
A 2-of-5 multisig guarding nine figures. Lazarus took the two keys it needed, and the bridge-custody era changed for good.
FTX Collapse: The Wallet Drains Custody Controls Never Defined
As FTX fell, hundreds of millions moved from its wallets — later attributed mostly to insiders per trial testimony. Custody without governance is the vulnerability.