Security company Dedaub: The root cause of the Poly Network attack may be due to the theft of 3/4 multi-signature private keys

The security company Dedaub team issued a document stating that the root cause of the attack on the cross-chain interoperability protocol Poly Network is not a logic error in the smart contract, but most likely that the private keys of three-quarters of the Poly network administrators were stolen or hacked. abuse.