Ontology halts mainnet block production over potential security concern
Ontology has temporarily halted mainnet block production after its core developers identified a potential security concern during a routine check, leaving on-chain transactions suspended while validators conduct an emergency review. The Ontology Network said in an official announcement that its core development team detected the potential issue during a daily security check and immediately moved to stop block production as a precaution. No security incident has been confirmed, and the team said it has found no evidence that ONT, ONG or other user assets have been lost or compromised. ???? Ontology Mainnet Emergency Pause Ontology has identified a potential security concern requiring immediate investigation. As a precautionary measure, block production has been temporarily suspended while our technical team and validators conduct a comprehensive security… pic.twitter.com/GfiXSW76lW — Ontology – The Trust Layer for AI & Web3 (@OntologyNetwork) August 31, 2026 Ontology mainnet remains paused during security review With block production stopped, transactions submitted to the Ontology mainnet cannot be processed until network operations resume. The team has not provided an estimated time for the restart and said the review will take priority over restoring the chain quickly. Ontology described the halt as a preventive measure, distinguishing it from a response to an active attack or confirmed theft. Developers and









