Problem solved! An exploit that would have enabled attackers to access a fully decrypted list of user transactions on the privacy-enabled Secret blockchain has been found and patched.
late yesterday by the Secret Network developers, began when a group of white-hat computer science researchers contacted the Secret team on Oct. 3 regarding a recently disclosed xAPIC architectural bug. The exploit allowed uninitialized memory reads in certain Software Guard Extension-enabled Intel CPUs. Secret Network leverages SGX technology to provide confidential execution of smart contracts.
Secret developers verified the exploit on Oct. 4 and devised a plan to patch the vulnerability together with researchers and Intel staff. First, nodes were forcefully ejected from the network, and their secret keys deleted. After that, nodes could only rejoin the network if they patched all known vulnerabilities, which was completed on Nov. 2."With this upgrade, it is now infeasible to mount xAPIC attacks against the Secret Network mainnet," wrote the Secret Network team.
In addition, new nodes joining the network will be limited to server-class hardware only, as to limit the attack surface that user-class hardware presents. Founded in 2015, Secret Network currently has a market cap of $131 million through its native token SCRT. The firm partnered with director Quentin Tarantino to launch Secret NFTs last November.
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