The KelpDAO hackers obtained approximately $250 million worth of ETH through staking and selling.

CoinFeed reported on April 19th that, according to on-chain analyst Yu Jin, KelpDAO was exploited early this morning to mint 116,500 rsETH out of thin air, resulting in a loss of up to $293 million. Most of these 116,500 rsETH were deposited into Aave and then used to borrow ETH, while a small portion was sold and exchanged for ETH. The hackers obtained a total of 106,466 ETH ($250 million) through staking and selling.