![]() ![]() ![]() “The attacker compromised the server(s) that these hot wallets were running on,” the Polygon CSO wrote on Friday. “The two addresses were likely hot wallets used to listen for and process legit bridging transactions,” Gupta explained. Gupta said while the details aren’t public yet he summarized what he believes took place during the hack. “The hacker compromised 2 addresses and made them drain the money,” Gupta added. “We have begun working with national authorities and forensic specialists to identify the culprit and retrieve the stolen funds,” the Harmony team added.įollowing the exploit, the very next day, Polygon’s chief information security officer, Mudit Gupta, said that the bridge was a 2 of 5 multi-signature scheme, and anyone with two of the addresses can take control of it. “The Harmony team has identified a theft occurring this morning on the Horizon bridge amounting to approx. Three days ago, Harmony explained that it was attacked and the team witnessed $100 million siphoned from the Horizon bridge. Harmony’s Multi-Sig Exploited Polygon’s CSO Says, Harmony Protocol’s Founder Found Evidence That ‘Private Keys Were Compromised’ 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 in Harmony’s bridge. Hackers suspected to be from North Korea managed to gain control through social engineering attacks.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. ![]() Before the attack, that blockchain consisted of nine validator nodes - and signatures from five of them were needed to initiate a deposit or a withdrawal. Ronin Network suffered the biggest crypto hack on record back in March. This isn't even the first time that a bridge has fallen victim to an exploit because of this. Some in the crypto community have been raising concerns about the Horizon bridge for months.īack in April, claimed the bridge's security was based on a multisig wallet that has just four owners, writing: "So all in all, if two of the four multisig signers are compromised, we're going to see another nine-figure hack." The team is all hands on deck as investigations continue." Were Warnings Ignored? The statement continued: "We have also notified exchanges and stopped the Horizon bridge to prevent further transactions. Harmony stressed that its trustless Bitcoin bridge was not affected as a result of the incident - adding: "Its funds and assets stored on decentralized vaults are safe at this time." Harmony Protocol, which runs the Horizon bridge, confirmed the hack on Twitter in the early hours of Friday morning, saying: "We have begun working with national authorities and forensic specialists to identify the culprit and retrieve the stolen funds."Ī crypto address shared by the project currently has a balance of 85,867 ETH. The platform enables investors to swap cryptocurrencies between blockchains. ![]() Listen to the CoinMarketRecap podcast on Apple Podcasts, Spotify and Google PodcastsĪpproximately $100 million has been stolen after the Horizon bridge was hacked. ![]()
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