An Immunefi researcher was rewarded for finding a critical vulnerability on three parachains in the Polkadot ecosystem.
The researcher, known as pwning.eth, was awarded a $1 million bounty.
"Pwning.eth found a bug that impacted the entire Polkadot ecosystem and would allow hackers to steal over $200 million across Moonbeam, Astar Network, and Acala," a representative from Immunefi told The Block."They were all vulnerable to a bug that could have allowed malicious users to mint wrapped native tokens."
The vulnerability on the three chains could have been abused to mint unlimited wrapped tokens, including wrapped astar on Astar, wrapped moonbeam on Moonbeam, and wrapped moonriver on Moonriver, a sister network of Moonbeam. Moonbeam and Astar, which have active bug-bounty programs with Immunefi, awarded $1 million to the ethical hacker through Immunefi. Parity, developer of the Frontier Library, decided to contribute $250,000 toward the $1 million reward, despite not having a bug bounty with Immunefi.
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