Harmony’s $100M Hack Was Due to a Compromised Multi-Sig Scheme, Says Analyst

On June 23, 2022, the Harmony development team announced that $100 million was siphoned from the Horizon bridge, and the organization explained it was working with national authorities and forensic specialists. According to an account published Polygon’s chief information security officer, Mudit Gupta, the Horizon bridge attacker allegedly took control of the multi-signature wallet leveraged … Read more

PR: Bitcoin-ABC incident report (26APR2018)

This document contains information regarding the response to a critical vulnerability applicable to miners of Bitcoin Cash using Bitcoin-ABC 0.17.0. Appropriate action has been taken to mitigate the impact of this vulnerability. This document is provided for information purposes only. Bitcoin ABC 0.17.1 fixes this problem. On 26APR2016 Bitcoin-ABC developers were notified by unknown person(s) … Read more