Bitmine has significantly increased its Ethereum holdings by purchasing 50,928 ETH, valued at $98.53 million, last week. This acquisition brings Bitmine's total Ethereum holdings to 4,473,587 ETH, worth approximately $8.66 billion. Additionally, the company has staked 3,040,483 ETH, equivalent to $5.88 billion, reflecting its strategic investment in Ethereum's staking ecosystem.