Bitget blocked customer withdrawals while forged commands kept moving funds. Zano rewound its chain. Limit Break's rescue required revoking old approvals. Each tested a different meaning of recovery.
A last-minute vote put $9.4M within reach. The response took Cosmos Hub offline for nearly 25 hours. Funds moved first without the applications’ multisig approval, then without the recipient’s signature.
A model left instructions for its successor. A bridge paid twice for one signed transaction. An oracle trusted a market its attacker had built. This week’s report follows what happened after each system said yes.
Ravencoin is rewinding four days of history after a critical exploit. The fix may save the network, but with one pool supplying close to half its hashpower, it raises a harder question: how immutable is a chain when recovery depends on so few?