Second, an implementation project for Ark Protocol, said its server was attacked on Monday, resulting in a loss of 0.75 BTC in company funds, or about $62,300. The team said user funds were not affected and that it fixed the issue within hours. After the initial breach, the attacker kept trying to withdraw more funds from the project and also launched denial-of-service attacks. On Tuesday, Second said the incident may reduce the ability of Bark-based wallets to receive Lightning Network transfers. The project said the flaw was in the Ark server’s boarding flow, where an attacker could register and exit related boards using only its own signature, while also spending the same set of VTXOs in the node through the Lightning Network. Second also said the attacker tried to use bitcoin linked to Blink Wallet’s Sept. 19 security flaw, but that attempt did not succeed. The report was cited by Bitcoin.com News.
Second, an implementation project for Ark Protocol, said its server was attacked on Monday, leading to a loss of 0.75 BTC in the project’s own funds, worth about $62,300.
The team said user funds were not affected, and the issue was fixed within hours.
Second said the attacker later kept trying to extract additional funds from the project and also launched denial-of-service attacks.
In an update on Tuesday, the project said the incident may weaken the ability of wallets based on Bark to receive transfers over the Lightning Network. According to Second, the vulnerability was in the Ark server’s boarding flow. The attacker was able to register and exit related boards using only its own signature, while also spending the same set of VTXOs in the node through the Lightning Network.
Second added that the attacker had also tried to use bitcoin associated with Blink Wallet’s Sept. 19 security flaw, but did not succeed.
The report was cited by Bitcoin.com News.
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