The “DogByte” attack would have allowed attackers to cheat the Ethereum 2.0 random beacon chain by gaming smart contracts and block validator selection.
Source: https://www.coindesk.com/ethereum-2-dogbyte-attack-beacon-chain
‘DogByte’ Attack Found in ‘Randomness’ Protocol Proof for Ethereum 2.0 Beacon Chain
September 1, 2020
CoinDesk
