Polygon

AscendEX Hack: $77 Million Stolen in Hot Wallet Breach

December 11, 2021
Attack Types: 
Wallet Hack
Entity Types: 
Custodian ,Exchange
Target Entities: 
Polygon

Summary # On December 11, 2021, AscendEX, a cryptocurrency exchange, was the victim of a hot wallet breach that resulted in the loss of $77 million. The attacker gained access to one of the exchange’s hot wallets, used to store user funds available for withdrawal. Attackers # The identity of the attacker(s) remains unknown. Wallet addresses to which assets were transferred: ERC20: 0x2c6900b24221de2b4a45c8c89482fff96ffb7e55 Polygon: 0x2c6900b24221de2b4a45c8c89482fff96ffb7e55 BSC: 0x2c6900b24221de2b4a45c8c89482fff96ffb7e55 LTC: LSvQWLf2kGm7UdXtwKvNj4GU1B4xKWUQXR BCH: qp2x5rnn2fkraxcp4hr6suqmnpdehfaaaqn3tv6jke Losses # The attackers managed to steal approximately $77 million worth of assets from the AscendEX network. ...

Polygon hacked for over 800,000 MATIC

December 5, 2021
Attack Types: 
Smart Contract Exploit ,Signature Verification Issue
Entity Types: 
Blockchain ,Bridge
Target Entities: 
Polygon ,Plasma Bridge

Summary # In early December 2021, Polygon, an Ethereum-based network has “silently fixed” a vulnerability that had put its native MATIC tokens worth $24 billion at risk. The issue came to light after a group of ethical hackers informed Immunefi, a bug bounty platform associated with decentralised finance (DeFi). Immunefi hosts the bug bounty for the Polygon network. Both white hat hackers who helped discover the bug were compensated a combined total of $3. ...