GoPlus: StablR stablecoin suffers from multi-signature contract vulnerability and private key theft, with attackers profiting approximately 2.8 million USD

According to GoPlus analysis, the stablecoin protocol StablR had security issues with its multi-signature contract settings on Ethereum (multi-signature threshold of 1), and the holder's private key was stolen, resulting in StablR $EURR and $USDR stablecoins being depegged by 20%. The attacker has profited approximately $2.8 million.