An unidentified hacker stole $ 625 million from a blockchain network

Mass information Interestingly, this incident is already the biggest theft in the field of centralized networks that, blockchain The owners of the network found out about the theft only a week later. During that period, the stolen funds were transferred to an external e-wallet. Cyber ​​attack by hacker Ronin called sidechainto (is a type of blockchain and its advantages over the bitcoin network and differs in functions) was performed. The sidechain in turn Axie Infinity used in a game called. Although the incident took place on March 23, the owners of the sidechain reported about it only on March 29. One of the users noted that, o, 5000 units ETH-u (ethereum) can not transfer to an external e-wallet. Just after that, the fact of a cyber attack was revealed.

In general, the hacker at the current exchange rate 600 million dollars worth 173,000 ETH and dollars with the same exchange rate 25.5 million USDC tokens stole. As part of a cyber attack 9 pieces validator (any document, data flow and or a fragment of code in a document that conforms to a certain format and or a computer program that checks the syntax of a file) bypassed the security system based on. It is enough to use 5 keys to use Sidechain. Four of them are from the database of Sky Mavis, a company that owns Ronin’s sidechain, and one is from the database RPC (Remote Procedure Call) was obtained from an external resource on the protocol.

The owners of Sidechai said that, Most of the stolen funds are in the e-wallet of an unknown person. Representatives of Sky Mavis noted that, they are already investigating the matter with the help of law enforcement and they do their best to keep users from losing money. They also noted that, With in-game cryptocurrency of Anxie Infinity game NFT tokens were not stolen. Analysts consider this theft the biggest theft in the field of centralized networks. Previous record Poly Network was obtained during the hacking of the network. So. that, A hacker as part of a hacking of the Poly Network 611 million dollars stole funds. However, the stolen funds were later returned.