← Back to Delta Incident Archive

VERIFIED SECURITY INCIDENT · DCI-2026-004

Humanity Protocol private-key compromise

More than 187 million H tokens were moved and sold following a reported private-key compromise; no USD value is included in the aggregate.

Incident date2026-06-09 Attack typeKey compromise SeverityHigh Involved chainsEthereum

After a Humanity Protocol-related private key was compromised, a large quantity of H tokens was transferred without authorization and sold into the market. Public records did not provide a stable, reproducible USD loss basis, so the archive records the asset amount and attack type without adding it to USD totals.