Bitmine has significantly increased its Ethereum holdings by purchasing 71,252 ETH, valued at $153.33 million, last week. This acquisition brings Bitmine's total Ethereum holdings to 4,803,334 ETH, worth approximately $10.34 billion. Additionally, the company has staked 3,334,637 ETH, equivalent to $7.18 billion, reflecting its strategic investment in Ethereum's staking ecosystem.