Three blockchains halted within four days. Only Cronos rewrote its canonical history. Ontology paused before user assets were compromised. ICON halted after most affected ICX had already reached exchanges—showing why stopping a chain doesn’t guarantee recovery.

Stopping a blockchain doesn't always recover stolen funds - What actually happened when 3 networks pulled the plugFrom cryptoslate.com

🔐 SECURITY: Ontology is back online after its emergency halt, but every sync-node operator now has to move to v3.1.5. The network says user assets were not compromised. What’s still missing is the attack path: Ontology has not published the vulnerability, affected component or… Show more

Ontology forces urgent node upgrade after restarting chain hit by malicious activityFrom cryptoslate.com