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— Doctor Profit 🇨🇭 (@DrProfitCrypto) September 18, 2022
1/ Alert | BlockSec detected that exploiters are replaying the message (calldata) of the PoS chain on @EthereumPow. The root cause of the exploitation is that the bridge doesn't correctly verify the actual chainid (which is maintained by itself) of the cross-chain message.
— BlockSec (@BlockSecTeam) September 18, 2022